Every year, countless emails hit our inboxes telling us that our personal information was accessed, shared, or stolen in a data breach. In many cases, there is little we can do. Most of us can assume that at least our phone numbers, emails, addresses, credit card numbers, and social security numbers are all available somewhere on the internet.

But some of these data breaches are more noteworthy than others, because they include novel information about us, are the result of particularly noteworthy security flaws, or are just so massive they’re impossible to ignore. For that reason, we are introducing the Breachies, a series of tongue-in-cheek “awards” for some of the most egregious data breaches of the year.

If these companies practiced a privacy first approach and focused on data minimization, only collecting and storing what they absolutely need to provide the services they promise, many data breaches would be far less harmful to the victims. But instead, companies gobble up as much as they can, store it for as long as possible, and inevitably at some point someone decides to poke in and steal that data.

Once all that personal data is stolen, it can be used against the breach victims for identity theft, ransomware attacks, and to send unwanted spam. The risk of these attacks isn’t just a minor annoyance: research shows it can cause psychological injury, including anxiety, depression, and PTSD. To avoid these attacks, breach victims must spend time and money to freeze and unfreeze their credit reports, to monitor their credit reports, and to obtain identity theft prevention services.

This year we’ve got some real stinkers, ranging from private health information to—you guessed it—credit cards and social security numbers.

The Winners

• The Just Stop Using Tracking Tech Award: Kaiser Permanente
• The Most Impactful Data Breach for ’90s Kids Award: Hot Topic
• The Only Stalkers Allowed Award: mSpy
• The I Didn’t Even Know You Had My Information Award: Evolve Bank
• The We Told You So Award: AU10TIX
• The Why We’re Still Stuck on Unique Passwords Award: Roku
• The Listen, Security Researchers are Trying to Help Award: City of Columbus
• The Have I Been Pwned? Award: Spoutible
• The Reporting’s All Over the Place Award: National Public Data
• The Biggest Health Breach We’ve Ever Seen Award: Change Health
• The There’s No Such Thing As Backdoors for Only “Good Guys” Award: Salt Typhoon
• Breach of the Year (of the Decade?): Snowflake
• Tips to Protect Yourself
• (Dis)Honorable Mentions

The Just Stop Using Tracking Tech Award: Kaiser Permanente

In one of the year's most preventable breaches, the healthcare company Kaiser Permanente exposed 13 million patients’ information via tracking code embedded in its website and app. This tracking code transmitted potentially sensitive medical information to Google, Microsoft, and X (formerly known as Twitter). The exposed information included patients’ names, terms they searched in Kaiser’s Health Encyclopedia, and how they navigated within and interacted with Kaiser’s website or app.

The most troubling aspect of this breach is that medical information was exposed not by a sophisticated hack, but through widely used tracking technologies that Kaiser voluntarily placed on its website. Kaiser has since removed the problematic code, but tracking technologies are rampant across the internet and on other healthcare websites. A 2024 study found tracking technologies sharing information with third parties on 96% of hospital websites. Websites usually use tracking technologies to serve targeted ads. But these same technologies give advertisers, data brokers, and law enforcement easy access to details about your online activity.

While individuals can protect themselves from online tracking by using tools like EFF’s Privacy Badger, we need legislative action to make online privacy the norm for everyone. EFF advocates for a ban on online behavioral advertising to address the primary incentive for companies to use invasive tracking technology. Otherwise, we’ll continue to see companies voluntarily sharing your personal data, then apologizing when thieves inevitably exploit a vulnerability in these tracking systems.

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The Most Impactful Data Breach for ’90s Kids Award: Hot Topic

If you were in middle or high school any time in the ’90s you probably have strong memories of Hot Topic. Baby goths and young punk rockers alike would go to the mall, get an Orange Julius and greasy slice of Sbarro pizza, then walk over to Hot Topic to pick up edgy t-shirts and overpriced bondage pants (all the while debating who was the biggest poser and which bands were sellouts, of course). Because of the fundamental position Hot Topic occupies in our generation’s personal mythology, this data breach hits extra hard.

In November 2024, Have I Been Pwned reported that Hot Topic and its subsidiary Box Lunch suffered a data breach of nearly 57 million data records. A hacker using the alias “Satanic” claimed responsibility and posted a 730 GB database on a hacker forum with a sale price of $20,000. The compromised data about approximately 54 million customers reportedly includes: names, email addresses, physical addresses, phone numbers, purchase history, birth dates, and partial credit card details. Research by Hudson Rock indicates that the data was compromised using info stealer malware installed on a Hot Topic employee’s work computer. “Satanic” claims that the original infection stems from the Snowflake data breach (another Breachie winner); though that hasn’t been confirmed because Hot Topic has still not notified customers, nor responded to our request for comment.

Though data breaches of this scale are common, it still breaks our little goth hearts, and we’d prefer stores did a better job of securing our data. Worse, Hot Topic still hasn’t publicly acknowledged this breach, despite numerous news reports. Perhaps Hot Topic was the real sellout all along. 

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The Only Stalkers Allowed Award: mSpy

mSpy, a commercially-available mobile stalkerware app owned by Ukrainian-based company Brainstack, was subject to a data breach earlier this year. More than a decade’s worth of information about the app’s customers was stolen, as well as the real names and email addresses of Brainstack employees.

The defining feature of stalkerware apps is their ability to operate covertly and trick users into believing that they are not being monitored. But in reality, applications like mSpy allow whoever planted the stalkerware to remotely view the contents of the victim’s device in real time. These tools are often used to intimidate, harass, and harm victims, including by stalkers and abusive (ex) partners. Given the highly sensitive data collected by companies like mSpy and the harm to targets when their data gets revealed, this data breach is another example of why stalkerware must be stopped. 

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The I Didn’t Even Know You Had My Information Award: Evolve Bank

Okay, are we the only ones  who hadn’t heard of Evolve Bank? It was reported in May that Evolve Bank experienced a data breach—though it actually happened all the way back in February. You may be thinking, “why does this breach matter if I’ve never heard of Evolve Bank before?” That’s what we thought too!

But here’s the thing: this attack affected a bunch of companies you have heard of, like Affirm (the buy now, pay later service), Wise (the international money transfer service), and Mercury Bank (a fintech company). So, a ton of services use the bank, and you may have used one of those services. It’s been reported that 7.6 million Americans were affected by the breach, with most of the data stolen being customer information, including social security numbers, account numbers, and date of birth.

The small bright side? No customer funds were accessed during the breach. Evolve states that after the breach they are doing some basic things like resetting user passwords and strengthening their security infrastructure. 

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The We Told You So Award: AU10TIX

AU10TIX is an “identity verification” company used by the likes of TikTok and X to confirm that users are who they claim to be. AU10TIX and companies like it collect and review sensitive private documents such as driver’s license information before users can register for a site or access some content.

Unfortunately, there is growing political interest in mandating identity or age verification before allowing people to access social media or adult material. EFF and others oppose these plans because they threaten both speech and privacy. As we said in 2023, verification mandates would inevitably lead to more data breaches, potentially exposing government IDs as well as information about the sites that a user visits.

Look no further than the AU10TIX breach to see what we mean. According to a report by 404 Media in May, AU10TIX left login credentials exposed online for more than a year, allowing access to very sensitive user data.

404 Media details how a researcher gained access to the company’s logging platform, “which in turn contained links to data related to specific people who had uploaded their identity documents.” This included “the person’s name, date of birth, nationality, identification number, and the type of document uploaded such as a drivers’ license,” as well as images of those identity documents.

The AU10TIX breach did not seem to lead to exposure beyond what the researcher showed was possible. But AU10TIX and other companies must do a better job at locking down user data. More importantly, politicians must not create new privacy dangers by requiring identity and age verification.

If age verification requirements become law, we’ll be handing a lot of our sensitive information over to companies like AU10TIX. This is the first We Told You So Breachie award, but it likely won’t be the last. 

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The Why We’re Still Stuck on Unique Passwords Award: Roku

In April, Roku announced not yet another new way to display more ads, but a data breach (its second of the year) where 576,000 accounts were compromised using a “credential stuffing attack.” This is a common, relatively easy sort of automated attack where thieves use previously leaked username and password combinations (from a past data breach of an unrelated company) to get into accounts on a different service. So, if say, your username and password was in the Comcast data breach in 2015, and you used the same username and password on Roku, the attacker might have been able to get into your account. Thankfully, less than 400 Roku accounts saw unauthorized purchases, and no payment information was accessed.

But the ease of this sort of data breach is why it’s important to use unique passwords everywhere. A password manager, including one that might be free on your phone or browser, makes this much easier to do. Likewise, credential stuffing illustrates why it’s important to use two-factor authentication. After the Roku breach, the company turned on two-factor authentication for all accounts. This way, even if someone did get access to your account password, they’d need that second code from another device; in Roku’s case, either your phone number or email address.

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The Listen, Security Researchers are Trying to Help Award: City of Columbus

In August, the security researcher David Ross Jr. (also known as Connor Goodwolf) discovered that a ransomware attack against the City of Columbus, Ohio, was much more serious than city officials initially revealed. After the researcher informed the press and provided proof, the city accused him of violating multiple laws and obtained a gag order against him.

Rather than silencing the researcher, city officials should have celebrated him for helping victims understand the true extent of the breach. EFF and security researchers know the value of this work. And EFF has a team of lawyers who help protect researchers and their work. 

Here is how not to deal with a security researcher: In July, Columbus learned it had suffered a ransomware attack. A group called Rhysida took responsibility. The city did not pay the ransom, and the group posted some of the stolen data online. The mayor announced the stolen data was “encrypted or corrupted,” so most of it was unusable. Later, the researcher, David Ross, helped inform local news outlets that in fact the breach did include usable personal information on residents. He also attempted to contact the city. Days later, the city offered free credit monitoring to all of its residents and confirmed that its original announcement was inaccurate.

Unfortunately, the city also filed a lawsuit, and a judge signed a temporary restraining order preventing the researcher from accessing, downloading, or disseminating the data. Later, the researcher agreed to a more limited injunction. The city eventually confirmed that the data of hundreds of thousands of people was stolen in the ransomware attack, including drivers licenses, social security numbers, employee information, and the identities of juvenile victims, undercover police officers, and confidential informants.

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The Have I Been Pwned? Award: Spoutible

The Spoutible breach has layers—layers of “no way!” that keep revealing more and more amazing little facts the deeper one digs.

It all started with a leaky API. On a per-user basis, it didn’t just return the sort of information you’d expect from a social media platform, but also the user’s email, IP address, and phone number. No way! Why would you do that?

But hold on, it also includes a bcrypt hash of their password. No way! Why would you do that?!

Ah well, at least they offer two-factor authentication (2FA) to protect against password leakages, except… the API was also returning the secret used to generate the 2FA OTP as well. No way! So, if someone had enabled 2FA it was immediately rendered useless by virtue of this field being visible to everyone.

However, the pièce de resistance comes with the next field in the API: the “em_code.” You know how when you do a password reset you get emailed a secret code that proves you control the address and can change the password? That was the code! No way!

-EFF thanks guest author Troy Hunt for this contribution to the Breachies.

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The Reporting’s All Over the Place Award: National Public Data

In January 2024, there was almost no chance you’d have heard of a company called National Public Data. But starting in April, then ramping up in June, stories revealed a breach affecting the background checking data broker that included names, phone numbers, addresses, and social security numbers of at least 300 million people. By August, the reported number ballooned to 2.9 billion people. In October, National Public Data filed for bankruptcy, leaving behind nothing but a breach notification on its website.

But what exactly was stolen? The evolving news coverage has raised more questions than it has answered. Too bad National Public Data has failed to tell the public more about the data that the company failed to secure.

One analysis found that some of the dataset was inaccurate, with a number of duplicates; also, while there were 137 million email addresses, they weren’t linked to social security numbers. Another analysis had similar results. As for social security numbers, there were likely somewhere around 272 million in the dataset. The data was so jumbled that it had names matched to the wrong email or address, and included a large chunk of people who were deceased. Oh, and that 2.9 billion number? That was the number of rows of data in the dataset, not the number of individuals. That 2.9 billion people number appeared to originate from a complaint filed in Florida.

Phew, time to check in with Count von Count on this one, then.

How many people were truly affected? It’s difficult to say for certain. The only thing we learned for sure is that starting a data broker company appears to be incredibly easy, as NPD was owned by a retired sheriff’s deputy and a small film studio and didn’t seem to be a large operation. While this data broker got caught with more leaks than the Titanic, hundreds of others are still out there collecting and hoarding information, and failing to watch out for the next iceberg.

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The Biggest Health Breach We’ve Ever Seen Award: Change Health

In February, a ransomware attack on Change Healthcare exposed the private health information of over 100 million people. The company, which processes 40% of all U.S. health insurance claims, was forced offline for nearly a month. As a result, healthcare practices nationwide struggled to stay operational and patients experienced limits on access to care. Meanwhile, the stolen data poses long-term risks for identity theft and insurance fraud for millions of Americans—it includes patients’ personal identifiers, health diagnoses, medications, insurance details, financial information, and government identity documents.

The misuse of medical records can be harder to detect and correct that regular financial fraud or identity theft. The FTC recommends that people at risk of medical identity theft watch out for suspicious medical bills or debt collection notices.

The hack highlights the need for stronger cybersecurity in the healthcare industry, which is increasingly targeted by cyberattacks. The Change Healthcare hackers were able to access a critical system because it lacked two-factor authentication, a basic form of security.

To make matters worse, Change Healthcare’s recent merger with Optum, which antitrust regulators tried and failed to block, even further centralized vast amounts of sensitive information. Many healthcare providers blamed corporate consolidation for the scale of disruption. As the former president of the American Medical Association put it, “When we have one option, then the hackers have one big target… if they bring that down, they can grind U.S. health care to a halt.” Privacy and competition are related values, and data breach and monopoly are connected problems.

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The There’s No Such Thing As Backdoors for Only “Good Guys” Award: Salt Typhoon

When companies build backdoors into their services to provide law enforcement access to user data, these backdoors can be exploited by thieves, foreign governments, and other adversaries. There are no methods of access that are magically only accessible to “good guys.” No security breach has demonstrated that more clearly than this year’s attack by Salt Typhoon, a Chinese government-backed hacking group.

Internet service providers generally have special systems to provide law enforcement and intelligence agencies access to user data. They do that to comply with laws like CALEA, which require telecom companies to provide a means for “lawful intercepts”—in other words, wiretaps.

The Salt Typhoon group was able to access the powerful tools that in theory have been reserved for U.S. government agencies. The hackers infiltrated the nation’s biggest telecom networks, including Verizon, AT&T, and others, and were able to target their surveillance based on U.S. law enforcement wiretap requests. Breaches elsewhere in the system let them listen in on calls in real time. People under U.S. surveillance were clearly some of the targets, but the hackers also targeted both 2024 presidential campaigns and officials in the State Department. 

While fewer than 150 people have been identified as targets so far, the number of people who were called or texted by those targets run into the “millions,” according to a Senator who has been briefed on the hack. What’s more, the Salt Typhoon hackers still have not been rooted out of the networks they infiltrated.

The idea that only authorized government agencies would use such backdoor access tools has always been flawed. With sophisticated state-sponsored hacking groups operating across the globe, a data breach like Salt Typhoon was only a matter of time. 

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The Snowballing Breach of the Year Award: Snowflake

Thieves compromised the corporate customer accounts for U.S. cloud analytics provider Snowflake. The corporate customers included AT&T, Ticketmaster, Santander, Neiman Marcus, and many others: 165 in total.

This led to a massive breach of billions of data records for individuals using these companies. A combination of infostealer malware infections on non-Snowflake machines as well as weak security used to protect the affected accounts allowed the hackers to gain access and extort the customers. At the time of the hack, April-July of this year, Snowflake was not requiring two-factor authentication, an account security measure which could have provided protection against the attacks. A number of arrests were made after security researchers uncovered the identities of several of the threat actors.

But what does Snowflake do? According to their website, Snowflake “is a cloud-based data platform that provides data storage, processing, and analytic solutions.” Essentially, they store and index troves of customer data for companies to look at. And the larger the amount of data stored, the bigger the target for malicious actors to use to put leverage on and extort those companies. The problem is the data is on all of us. In the case of Snowflake customer AT&T, this includes billions of call and text logs of its customers, putting individuals’ sensitive data at risk of exposure. A privacy-first approach would employ techniques such as data minimization and either not collect that data in the first place or shorten the retention period that the data is stored. Otherwise it just sits there waiting for the next breach.

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Tips to Protect Yourself

Data breaches are such a common occurrence that it’s easy to feel like there’s nothing you can do, nor any point in trying. But privacy isn’t dead. While some information about you is almost certainly out there, that’s no reason for despair. In fact, it’s a good reason to take action.

There are steps you can take right now with all your online accounts to best protect yourself from the the next data breach (and the next, and the next):

• Use unique passwords on all your online accounts. This is made much easier by using a password manager, which can generate and store those passwords for you. When you have a unique password for every website, a data breach of one site won’t cascade to others.
• Use two-factor authentication when a service offers it. Two-factor authentication makes your online accounts more secure by requiring additional proof (“factors”) alongside your password when you log in. While two-factor authentication adds another step to the login process, it’s a great way to help keep out anyone not authorized, even if your password is breached.
• Freeze your credit. Many experts recommend freezing your credit with the major credit bureaus as a way to protect against the sort of identity theft that’s made possible by some data breaches. Freezing your credit prevents someone from opening up a new line of credit in your name without additional information, like a PIN or password, to “unfreeze” the account. This might sound absurd considering they can’t even open bank accounts, but if you have kids, you can freeze their credit too.
• Keep a close eye out for strange medical bills. With the number of health companies breached this year, it’s also a good idea to watch for healthcare fraud. The Federal Trade Commission recommends watching for strange bills, letters from your health insurance company for services you didn’t receive, and letters from debt collectors claiming you owe money. 

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(Dis)Honorable Mentions

By one report, 2023 saw over 3,000 data breaches. The figure so far this year is looking slightly smaller, with around 2,200 reported through the end of the third quarter. But 2,200 and counting is little comfort.

We did not investigate every one of these 2,000-plus data breaches, but we looked at a lot of them, including the news coverage and the data breach notification letters that many state Attorney General offices host on their websites. We can’t award the coveted Breachie Award to every company that was breached this year. Still, here are some (dis)honorable mentions:

ADT, Advance Auto Parts, AT&T, AT&T (again), Avis, Casio, Cencora, Comcast, Dell, El Salvador, Fidelity, FilterBaby, Fortinet, Framework, Golden Corral, Greylock, Halliburton, HealthEquity, Heritage Foundation, HMG Healthcare, Internet Archive, LA County Department of Mental Health, MediSecure, Mobile Guardian, MoneyGram, muah.ai, Ohio Lottery, Omni Hotels, Oregon Zoo, Orrick, Herrington & Sutcliffe, Panda Restaurants, Panera, Patelco Credit Union, Patriot Mobile, pcTattletale, Perry Johnson & Associates, Roll20, Santander, Spytech, Synnovis, TEG, Ticketmaster, Twilio, USPS, Verizon, VF Corp, WebTPA.

What now? Companies need to do a better job of only collecting the information they need to operate, and properly securing what they store. Also, the U.S. needs to pass comprehensive privacy protections. At the very least, we need to be able to sue companies when these sorts of breaches happen (and while we’re at it, it’d be nice if we got more than $5.21 checks in the mail). EFF has long advocated for a strong federal privacy law that includes a private right of action.

This post was written by EFF intern Nazli Ungan as an update to a 2020 Deeplinks post by Cindy Cohn.

Everyone wants an election that is secure and reliable and that will ensure that the voters’ actual choices are reflected in the results. That’s as true as we head into the 2024 U.S. general elections as it always has been.

At the same time, not every problem in voting technology or systems is worth pulling the fire alarm—we have to look at the bigger story and context. And we have to stand down when our worst fears turn out to be unfounded.

Resilience is the key word when it comes to the security and the integrity of our elections. We need our election systems to be technically and procedurally resilient against potential attacks or errors. But equally important, we need the voting public to be resilient against false or unfounded claims of attack or error. Luckily, our past experiences and the work of election security experts have taught us a few lessons on when to worry and when to not.

See EFF's handout on Election Security here: https://www.eff.org/document/election-security-recommendations

We Need Risk-Limiting Audits

First, and most importantly, it is critical to have systems in place to support election technology and the election officials who run it. Machines may fail, humans may make errors. We cannot simply assume that there will not be any issues in voting and tabulation. Instead, there must be built-in safety measures that would catch any issues that may affect the official election results.  

It is critical to have systems in place to support election technology and the election officials who run it.

The most important of these is performing routine, post-election Risk-Limiting Audits after every election. RLAs should occur even if there is no apparent reason to suspect the accuracy of the results. Risk-limiting audits are considered the gold standard of post-election audits and they give the public justified confidence in the results. This type of audit entails manually checking randomly selected ballots until there is convincing evidence that the election outcome is correct. In many cases, it can be performed by counting only a small fraction of ballots cast making it cheap enough to be performed in every election. When the margins are tighter, a greater fraction of the votes are required to be hand counted, but this is a good thing because we want to scrutinize close contests more strictly to make sure the right person won the race. Some states have started requiring risk-limiting audits and the rest should catch up!

 We (and many others in the election integrity community) also continue to push for more transparency in election systems, more independent testing and red-team style attacks, including end-to-end pre-election testing.

And We Need A Paper Trail

Second, voting on paper ballots continues to be extremely important and the most secure strategy. Ideally, all voters should use paper ballots marked by hand, or with an assistive device, and verify their votes before casting. If there is no paper record, there is no way to perform a post-election audit, or recount votes in the event of an error or a security incident. On the other hand, if voters vote on paper, they can verify their choices are recorded accurately. More importantly, election officials can hand count a portion of the paper ballots to make sure they match with the electronic vote totals and confirm the accuracy of the election results. 

What happened in Antrim County, Michigan in the 2020 general elections illustrates the importance of paper ballots. Immediately after the 2020 elections, Antrim County published inaccurate unofficial results, and then restated these results three times to correct the errors, which led to conspiracy theories about the voting systems used there. Fortunately, Antrim County voters had voted on paper ballots, so Michigan was able to confirm the final presidential results by conducting a county-wide hand count and affirm them by a state-wide risk-limiting audit pilot. This would not have been possible without paper ballots.  

And we can’t stop there, because not every paper record is created equal. Some direct recording electronic systems are equipped with a type of Voter-Verified Paper Audit Trail that make it difficult for voters to verify their selections and for election officials to use in audits and recounts. The best practice is to have all votes cast on pre-printed paper ballots, marked by hand or an assistive ballot marking device.  

Third, it is important to have the entire voting technical system under the control of election officials so that they can investigate any potential problems, which is one of the reasons why internet voting remains a bad, bad idea. There are “significant security, privacy, and ballot secrecy challenges” associated with electronic ballot return systems and they make it “possible for a single attacker to alter thousands or even millions of votes.” Maybe in the future we will have tools to limit the risks of internet voting. But until then, we should reject any proposal that includes electronic ballot return over the internet. Speaking about the internet, voting machines should never connect to the internet, dial a modem, or communicate wirelessly. 

Internet voting remains a bad, bad idea

Fourth, every part of the voting process that relies on technology must have paper backups so that voting can continue even when the machines fail. This includes paper backups for electronic pollbooks, emergency paper ballots in case voting machines fail, and provisional ballots in case there voter eligibility cannot be confirmed. 

Stay Vigilant and Informed

Fifth, we should continue to be vigilant. Election officials have come a long way from when we started raising concerns about electronic voting machines and systems. But the public should keep watching and, when warranted, not be afraid to raise or flag things that seem strange. For example, if you see something like voting machines “flipping” the votes, you should tell the poll workers. This doesn’t necessarily mean there has been a security breach; it can be as simple as a calibration error, but it can mean lost votes. Poll workers can and should address the issue immediately by providing voters with emergency paper ballots. 

Sixth, not everything that seems out of the ordinary may be reason to worry. We should build societal resistance to disinformation. CISA's Election Security Rumor vs. Reality website is a good resource that addresses election security rumors and educates us on when we need to be or don’t need to be alarmed. State-specific information is also available online. If we see or hear anything odd about what is happening at a particular locality, we should first hear what the election officials on the ground have to say about it. After all, they were there! We should also pay attention to what non-partisan election protection organizations, such as Verified Voting, say about the incident.  

The 2024 presidential election is fast approaching and there may be many claims of computer glitches and other forms of manipulation concerning our voting systems in November. Knowing when to worry and when NOT to worry will continue to be extremely important.  

In the meantime, the work of securing our elections and building resilience must continue. While not every glitch is worrisome, we should not dismiss legitimate security concerns. As often said: election security is a race without a finish line!

This post was written by EFF fellow Miranda McClellan.

Teens between the ages of  13 and 17 are being tracked across the internet using identifiers known as Advertising IDs. When children turn 13, they age out of the data protections provided by the Children’s Online Privacy Protection Act (COPPA). Then, they become targets for data collection from data brokers that collect their information from social media apps, shopping history, location tracking services, and more. Data brokers then process and sell the data. Deleting Advertising IDs off your teen’s devices can increase their privacy and stop advertisers collecting their data.

What is an Advertising ID?

Advertising identifiers – Android's Advertising ID (AAID) and Identifier for Advertising (IDFA) on iOS – enable third-party advertising by providing device and activity tracking information to advertisers. The advertising ID is a string of letters and numbers that uniquely identifies your phone, tablet, or other smart device.

How Teens Are Left Vulnerable

In most countries, children must be over 13 years old to manage their own Google account without a supervisory parent account through Google Family Link. Children over 13 gain the right to manage their own account and app downloads without a supervisory parent account—and they also gain an Advertising ID.

At 13, children transition abruptly between two extremes—from potential helicopter parental surveillance to surveillance advertising that connects their online activity and search history to marketers serving targeted ads.

Thirteen is a historically significant age. In the United States, both Facebook and Instagram require users to be at least 13 years old to make an account, though many children pretend to be older. The Children’s Online Privacy Protection Act (COPPA), a federal law, requires companies to obtain “verifiable parental consent” before collecting personal information from children under 13 for commercial purposes.

But this means that teens can lose valuable privacy protections even before becoming adults.

How to Protect Children and Teens from Tracking

 Here are a few steps we recommend that protect children and teens from behavioral tracking and other privacy-invasive advertising techniques:

• Delete advertising IDs for minors aged 13-17.
• Require schools using Chromebooks, Android tablets, or iPads to educate students and parents about deleting advertising IDs off school devices and accounts to preserve student privacy.
• Advocate for extended privacy protections for everyone.

How to Delete Advertising IDs

 Advertising IDs track devices and activity from connected accounts. Both Android and iOS users can reset or delete their advertising IDs from the device. Removing the advertising ID removes a key component advertisers use to identify audiences for targeted ad delivery. While users will still see ads after resetting or deleting their advertising ID, the ads will be severed from previous online behaviors and provide less personally targeted ads.

Follow these instructions, updated from a previous EFF blog post:

On Android

With the release of Android 12, Google began allowing users to delete their ad ID permanently. On devices that have this feature enabled, you can open the Settings app and navigate to Security & Privacy > Privacy > Ads. Tap “Delete advertising ID,” then tap it again on the next page to confirm. This will prevent any app on your phone from accessing it in the future.

The Android opt out should be available to most users on Android 12, but may not be available on older versions. If you don't see an option to "delete" your ad ID, you can use the older version of Android's privacy controls to reset it and ask apps not to track you.

On iOS

Apple requires apps to ask permission before they can access your IDFA. When you install a new app, it may ask you for permission to track you.

Select “Ask App Not to Track” to deny it IDFA access.

To see which apps you have previously granted access to, go to Settings > Privacy & Security > Tracking.

In this menu, you can disable tracking for individual apps that have previously received permission. Only apps that have permission to track you will be able to access your IDFA.

You can set the “Allow apps to Request to Track” switch to the “off” position (the slider is to the left and the background is gray). This will prevent apps from asking to track in the future. If you have granted apps permission to track you in the past, this will prompt you to ask those apps to stop tracking as well. You also have the option to grant or revoke tracking access on a per-app basis.

Apple has its own targeted advertising system, separate from the third-party tracking it enables with IDFA. To disable it, navigate to Settings > Privacy > Apple Advertising and set the “Personalized Ads” switch to the “off” position to disable Apple’s ad targeting.

Miranda McClellan served as a summer fellow at EFF on the Public Interest Technology team. Miranda has a B.S. and M.Eng. in Computer Science from MIT. Before joining EFF, Miranda completed a Fulbright research fellowship in Spain to apply machine learning to 5G networks, worked as a data scientist at Microsoft where she built machine learning models to detect malware, and was a fellow at the Internet Society. In her free time, Miranda enjoys running, hiking, and crochet.

At EFF, Miranda conducted research focused on understanding the data broker ecosystem and enhancing children’s privacy. She received funding from the National Science Policy Network.

The post was written by Laura Vidal (PhD), independent researcher in learning and digital rights.

This is part two of a series. Part one on surveillance and control around the July election is here.

Over the past decade, the government in Venezuela has meticulously constructed a framework of surveillance and repression, which has been repeatedly denounced by civil society and digital rights defenders in the country. This apparatus is built on a foundation of restricted access to information, censorship, harassment of journalists, and the closure of media outlets. The systematic use of surveillance technologies has created an intricate network of control.

Security forces have increasingly relied on digital tools to monitor citizens, frequently stopping people to check the content of their phones and detaining those whose devices contain anti-government material. The country’s digital identification systems, Carnet de la Patria and Sistema Patria—established in 2016 and linked to social welfare programs—have also been weaponized against the population by linking access to essential services with affiliation to the governing party. 

Censorship and internet filtering in Venezuela became omnipresent ahead of the recent election period. The government blocked access to media outlets, human rights organizations, and even VPNs—restricting access to critical information. Social media platforms like X (formerly Twitter) and WhatsApp were also  targeted—and are expected to be regulated—with the government accusing these platforms of aiding opposition forces in organizing a “fascist coup d’état” and spreading “hate” while promoting a “civil war.”

The blocking of these platforms not only limits free expression but also serves to isolate Venezuelans from the global community and their networks in the diaspora, a community of around 9 million people. The government's rhetoric, which labels dissent as "cyberfascism" or "terrorism," is part of a broader narrative that seeks to justify these repressive measures while maintaining a constant threat of censorship, further stifling dissent.

Moreover, there is a growing concern that the government’s strategy could escalate to broader shutdowns of social media and communication platforms if street protests become harder to control, highlighting the lengths to which the regime is willing to go to maintain its grip on power.

Fear is another powerful tool that enhances the effectiveness of government control. Actions like mass arrests, often streamed online, and the public display of detainees create a chilling effect that silences dissent and fractures the social fabric. Economic coercion, combined with pervasive surveillance, fosters distrust and isolation—breaking down the networks of communication and trust that help Venezuelans access information and organize.

This deliberate strategy aims not just to suppress opposition but to dismantle the very connections that enable citizens to share information and mobilize for protests. The resulting fear, compounded by the difficulty in perceiving the full extent of digital repression, deepens self-censorship and isolation. This makes it harder to defend human rights and gain international support against the government's authoritarian practices.

Civil Society’s Response

Despite the repressive environment, civil society in Venezuela continues to resist. Initiatives like Noticias Sin Filtro and El Bus TV have emerged as creative ways to bypass censorship and keep the public informed. These efforts, alongside educational campaigns on digital security and the innovative use of artificial intelligence to spread verified information, demonstrate the resilience of Venezuelans in the face of authoritarianism. However, the challenges remain extensive.

The Inter-American Commission on Human Rights (IACHR) and its Special Rapporteur for Freedom of Expression (SRFOE) have condemned the institutional violence occurring in Venezuela, highlighting it as state terrorism. To be able to comprehend the full scope of this crisis it is paramount to understand that this repression is not just a series of isolated actions but a comprehensive and systematic effort that has been building for over 15 years. It combines elements of infrastructure (keeping essential services barely functional), blocking independent media, pervasive surveillance, fear-mongering, isolation, and legislative strategies designed to close civic space. With the recent approval of a law aimed at severely restricting the work of non-governmental organizations, the civic space in Venezuela faces its greatest challenge yet.

The fact that this repression occurs amid widespread human rights violations suggests that the government's next steps may involve an even harsher crackdown. The digital arm of government propaganda reaches far beyond Venezuela’s borders, attempting to silence voices abroad and isolate the country from the global community. 

The situation in Venezuela is dire, and the use of technology to facilitate political violence represents a significant threat to human rights and democratic norms. As the government continues to tighten its grip, the international community must speak out against these abuses and support efforts to protect digital rights and freedoms. The Venezuelan case is not just a national issue but a global one, illustrating the dangers of unchecked state power in the digital age.

However, this case also serves as a critical learning opportunity for the global community. It highlights the risks of digital authoritarianism and the ways in which governments can influence and reinforce each other's repressive strategies. At the same time, it underscores the importance of an organized and resilient civil society—in spite of so many challenges—as well as the power of a network of engaged actors both inside and outside the country. 

These collective efforts offer opportunities to resist oppression, share knowledge, and build solidarity across borders. The lessons learned from Venezuela should inform global strategies to safeguard human rights and counter the spread of authoritarian practices in the digital era.

An open letter, organized by a group of Venezuelan digital and human rights defenders, calling for an end to technology-enabled political violence in Venezuela, has been published by Access Now and remains open for signatures.

The post was written by Laura Vidal (PhD), independent researcher in learning and digital rights.

This is part one of a series. Part two on the legacy of Venezuela’s state surveillance is here.

As thousands of Venezuelans took to the streets across the country to demand transparency in July’s election results, the ensuing repression has been described as the harshest to date, with technology playing a central role in facilitating this crackdown.

The presidential elections in Venezuela marked the beginning of a new chapter in the country’s ongoing political crisis. Since July 28th, a severe backlash against demonstrations has been undertaken by the country’s security forces, leading to 20 people killed. The results announced by the government, in which they claimed a re-election of Nicolás Maduro, have been strongly contested by political leaders within Venezuela as well as by the Organization of American States (OAS),  and governments across the region. 

In the days following the election, the opposition—led by candidates Edmundo González Urrutia and María Corina Machado—challenged the National Electoral Council’s (CNE) decision to award the presidency to Maduro. They called for greater transparency in the electoral process, particularly regarding the publication of the original tally sheets, which are essential for confirming or contesting the election results. At present, these original tally sheets remain unpublished.

In response to the lack of official data, the coalition supporting the opposition—known as Comando con Venezuela—presented the tally sheets obtained by opposition witnesses on the night of July 29th. These were made publicly available on an independent portal named “Presidential Results 2024,” accessible to any internet user with a Venezuelan identity card.

The government responded with repression and numerous instances of technology-supported repression and violence. The surveillance and control apparatus saw intensified use, such as increased deployment of VenApp, a surveillance application originally launched in December 2022 to report failures in public services. Promoted by President Nicolás Maduro as a means for citizens to report on their neighbors, VenApp has been integrated into the broader system of state control, encouraging citizens to report activities deemed suspicious by the state and further entrenching a culture of surveillance.

Additional reports indicated the use of drones across various regions of the country. Increased detentions and searches at airports have particularly impacted human rights defenders, journalists, and other vulnerable groups. This has been compounded by the annulment of passports and other forms of intimidation, creating an environment where many feel trapped and fearful of speaking out.

The combined effect of these tactics is the pervasive sense that it is safer not to stand out. Many NGOs have begun reducing the visibility of their members on social media, some individuals have refused interviews, have published documented human rights violations under generic names, and journalists have turned to AI-generated avatars to protect their identities. People are increasingly setting their social media profiles to private and changing their profile photos to hide their faces. Additionally, many are now sending information about what is happening in the country to their networks abroad for fear of retaliation. 

These actions often lead to arbitrary detentions, with security forces publicly parading those arrested as trophies, using social media materials and tips from informants to justify their actions. The clear intent behind these tactics is to intimidate, and they have been effective in silencing many. This digital repression is often accompanied by offline tactics, such as marking the residences of opposition figures, further entrenching the climate of fear.

However, this digital aspect of repression is far from a sudden development. These recent events are the culmination of years of systematic efforts to control, surveil, and isolate the Venezuelan population—a strategy that draws from both domestic decisions and the playbook of other authoritarian regimes. 

In response, civil society in Venezuela continues to resist; and in August, EFF joined more than 150 organizations and individuals in an open letter highlighting the technology-enabled political violence in Venezuela. Read more about this wider history of Venezuela’s surveillance and civil society resistance in part two of this series, available here.