Technology
This is what no one planned could happen after taking a DNA test
I was one of the first to spit into a test tube, giving up my DNA forever to learn more about my health and heredity. You know, the ones that promise to connect you with distant relatives you didn’t even know existed or reveal genetic risks for conditions like Alzheimer’s or heart disease. These DNA tests aren’t just about satisfying curiosity; people buy them to uncover important health information, connect with loved ones or give thoughtful gifts.
But here’s the thing – and I’m speaking from a data privacy perspective here – genetic information is highly valuable and a risk to unlocking deeply intimate information unique to only you. And while these commercial DNA tests seem harmless, they come with risks that most people don’t immediately think about. Once you hand over your DNA, you’re giving these companies access to your most personal data. And believe me, what happens to that data after the test can be anything but straightforward.
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Illustration of human DNA (Kurt “CyberGuy” Knutsson)
What’s the big deal?
Your DNA is more than just a string of letters; it’s a unique and permanent blueprint of your identity. Using a commercial DNA testing service can mean handing over not only physical samples but also information about potential medical conditions and predispositions, ethnicity and familial connections and even behavioral or lifestyle markers. This can put you at risk of things like genetic testing without your consent, increased insurance premiums, health-related scams and family secrets coming to light, sometimes with painful consequences. One woman even felt that she “lost her entire family” after taking one of these tests.
And here’s the kicker: Even if you choose to stay out of the genetic testing game, if anyone who shares some of your DNA, like your brother or your niece, chooses to take one, it can still expose you to many of these risks without you even knowing.
What does happen to your genetic data?
Aside from doing what the services advertise, it turns out that many DNA testing services may be sharing your genetic data with researchers, marketers, insurance companies and even law enforcement agencies.
In fact, according to recent research, half of commercial DNA testing services use your genetic data for research (both internal and external). Nearly half (4 in 10) use it for marketing. And nearly half (also 4 in 10) also share your data with law enforcement agencies, potentially without any kind of subpoena or court order.
While DNA testing companies often claim to use anonymized data for many of these purposes, the reality is that “anonymized” genetic information can often be re-identified when combined with other data sources, sources like data brokers and people search sites that hold and sell troves of information (like lists of vulnerable individuals, such as those experiencing dementia) that could be used toward this purpose.
Illustration of DNA (Kurt “CyberGuy” Knutsson)
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Results may not be what you expected
If you do buy one of these DNA testing kits, you might expect that the results are pretty reliable. However, I was surprised to learn that this may not always be the case. According to Dr. Divya Vats, a clinical biochemical geneticist at Kaiser Permanente, at-home genetic tests aren’t as accurate as medical DNA tests ordered by your doctor. This can lead to unnecessary anxiety or false reassurance regarding your health. Even when it comes to ethnicity and ancestry, results usually rely on statistical comparisons to reference populations, which don’t necessarily yield accurate results, especially if you’re from a less-studied ethnic group.
DNA being tested (Kurt “CyberGuy” Knutsson)
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Destroying your genetic samples can be a nightmare
Once you’ve submitted your DNA to a testing company, the processes for having your sample and associated data destroyed are often complex, to say the least. According to an investigative journalist who tried to have her genetic footprint wiped, it was “brutally difficult.” Recent events, like 23andMe going bankrupt, highlight just how precarious the situation can be.
Consumers are left worried about what will happen to their genetic data if a testing company is sold or acquired, especially when they have no easy way to retrieve or destroy that data. These companies often don’t disclose where and how your samples are stored, either.
According to Incogni, a data broker removal service, almost none of the DNA testing services it investigated provided any information more substantial than that of a “secure facility.” This lack of transparency about where their data is stored and how it can be destroyed creates a major roadblock for anyone trying to regain control over their genetic information.
Test tube used to transport DNA (Kurt “CyberGuy” Knutsson)
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Steps to protect yourself when considering or using at-home DNA testing kits
If you’re still considering using a DNA service, if your genetic information has already been exposed or if you just want to take preventative steps, here are some things to do.
1) Invest in personal data removal services: Proactively remove your personal information from online data brokers and people search sites to minimize the risk of linking anonymized genetic data back to you. Not only will this clean up and prevent your health and genetic data from circulating the web, but it’ll also make it much harder for your anonymized data (genetic or otherwise) to be linked to you. While no service promises to remove all your data from the internet, having a removal service is great if you want to constantly monitor and automate the process of removing your information from hundreds of sites continuously over a longer period of time. Check out my top picks for data removal services here.
2) Choose reputable companies: Select well-known and trusted DNA testing providers, as they are more likely to adhere to privacy and security standards due to public scrutiny.
3) Review privacy options during sign-up: Pay close attention to privacy settings when registering your test kit. Many companies allow you to opt in or out of data sharing for research or marketing purposes.
4) Limit data sharing: Carefully consider whether to permit your data to be shared with third parties. While you can revoke consent later, data already shared may not be fully retrievable or deletable.
5) Delete data post-test: If you’ve already taken a test, review the company’s privacy policy and delete your data if possible. Note that data shared with third parties may remain accessible.
6) Avoid uploading data to third-party databases: Refrain from uploading your genetic information to external services, which may share data with law enforcement or other entities without clear consent.
7) Consider anonymous testing: Use anonymous methods when submitting DNA samples, such as pseudonyms or alternative payment methods, to reduce traceability.
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Kurt’s key takeaways
Your DNA holds some of the most personal and sensitive information about you, and once it’s out there, you lose control over how it’s used. From potential privacy violations to emotional surprises and the challenges of deleting your genetic data, DNA testing kits come with risks that many don’t recognize upfront. If you’re considering diving into your genetic blueprint, ask yourself: Are you comfortable with this data potentially ending up in the hands of marketers, law enforcement or even a company you didn’t agree to share it with?
Have you ever used a DNA testing service, or do the risks give you pause? Let us know by writing us at Cyberguy.com/Contact.
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Copyright 2025 CyberGuy.com. All rights reserved.
Technology
The Iranian women Trump ‘saved’ from execution are simultaneously real and AI-manipulated
Only the night before, he had posted on Truth Social about the imminent executions of these women, quoting a screenshot that included a collage of eight glamorously backlit, soft-focus portraits. The photos of the women were immediately accused of being AI-generated. “Trump is begging Iranian leaders to not execute 8 AI-generated women. This is the funniest thing I’ve ever seen,” said one viral X post.
On top of that, almost immediately after Trump’s announcement, Mizan, an Iranian state news agency, called the president a liar. “Last night, Donald Trump, citing a completely false news story, called on Iran to overturn the death sentences of eight women.” Mizan said that some of the women had already been released and others were facing prison time but not execution, and furthermore said that Tehran had made no concessions — presumably, the status of the women has not changed.
The X account for the Iranian embassy in South Africa, perhaps the most relentless shitposter among Iran’s state-affiliated accounts, was quick to pile on by generating its own set of eight women:
The collage that Trump posted is, at the very least, AI-modified, Mahsa Alimardani, the associate director of the Technology Threats & Opportunities program at WITNESS, told The Verge. But the women themselves are real. The woman in the top right corner of the collage is Bita Hemmati, whose photograph appeared in several news stories in various right-leaning news outlets last week. Hemmati is confirmed to have received a death sentence issued by Branch 26 of the Tehran Revolutionary Court for “operational action for the hostile government of the United States and hostile groups.”
Alimardani named six of the women (Bita Hemmati, Mahboubeh Shabani, Venus Hossein-Nejad, Golnaz Naraghi, Diana Taherabadi, Ghazal Ghalandri), and said that the identities of the final two (said to be Panah Movahedi and Ensieh Nejati) were still unverified. The six verified women participated in protests against the government in January. Aside from Hemmati, none of the other women are reported to have received death sentences.
It’s not surprising that Trump has a careless disregard for the truth; it’s not surprising, either, for the Iranian regime to fudge the details to suit its own narrative, or to make light of real political prisoners in order to dunk on the United States.
The additional wrinkle is that the account mocking Trump for coming to the rescue of “8 AI-generated women” is the very same one that landed South Korean president Lee Jae-myung in hot water when he quoted a misleading labeled video posted by that account. Israeli officials have accused the account of being “well-known for spreading disinformation.” The case of the sketchy Lee Jae-myung quote-post is a story of mingled truth and misinformation, where the post got facts very wrong, but the video — of Israeli Defense Forces soldiers shoving a limp body off a rooftop in Gaza — was real, documenting an event that possibly implicates Israeli forces in a violation of international law.
The case of the eight Iranian protesters also features that same mingling of fact and fiction into a fuzzy distortion that fuels an endless disputation of real human rights violations. Their lives have been reduced to glossy pixels and quote-dunks, the stuff of propaganda and parody. While known liars fight with each other on the internet about who these women are and what will happen to them, they — verifiably six of them, at least — remain real people who exist beyond the Iranian internet blackout.
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You probably didn’t expect a travel booking platform to send you into a security spiral. Yet here we are.
Booking.com confirmed that hackers may have accessed customer data, including names, email addresses, phone numbers and booking details. That is enough information to make scam messages look real.
If you’ve booked a hotel or rental through the platform, this is worth your attention.
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SMART TRAVEL SAFETY TIPS BEFORE YOUR NEXT TRIP
Booking.com says hackers may have accessed customer names, emails, phone numbers and reservation details. The breach could make phishing messages look far more convincing. (KairosDee/Getty Images)
What happened in the Booking.com data breach
The company sent email notifications to affected customers after detecting “suspicious activity involving unauthorized third parties” accessing guest booking information. That’s the corporate way of saying someone got in who shouldn’t have been there.
One user shared the full notification on Reddit, where dozens of others said they received the same message. That suggests this was not an isolated case. The notice warned that anything customers “may have shared with the accommodation” could also have been exposed, meaning the breach went beyond basic account data.
What data was exposed in the Booking.com breach
Booking.com confirmed that financial information was not accessed. Physical home addresses were also not part of the breach, according to the company. So no, someone doesn’t have your credit card number or home address from this incident.
What they do potentially have: your name, email address, phone number and the details of your reservation. That’s enough to craft a convincing phishing message, which some hackers may already be doing.
“At Booking.com, we are dedicated to the security and data protection of our guests,” a Booking.com spokesperson said in a statement to CyberGuy. “We recently noticed some suspicious activity involving unauthorized third parties being able to access some of our guests’ booking information, which may include booking details, names, email addresses and phone numbers and anything that travelers may have shared with the accommodation.”
“Financial information was not accessed from Booking.com’s systems, nor were guests’ physical addresses,” the spokesperson continued. “Upon discovering the activity, we took action to contain the issue. We have updated the PIN number for these reservations and informed our guests.”
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A Booking.com breach exposed personal and reservation data that scammers can use to craft realistic fraud attempts. (Annette Riedl/picture alliance)
How scammers are using stolen booking data
A user who posted the notification on Reddit said that two weeks before receiving it, they got a phishing message on WhatsApp that included their real booking details and personal information. That timing matters. It suggests hackers may have already been using the data before many customers were notified.
It is not clear whether that earlier phishing attempt is directly tied to this specific breach, but it shows how detailed booking information can be used in targeted scams.
That is what makes this breach more dangerous than it first appears. When scammers know where you are staying and when, they can create messages that feel legitimate. A fake alert about a problem with your reservation or a request to confirm payment details suddenly looks real.
How past incidents highlight potential risks
This breach did not happen in a vacuum. In 2024, hackers infected computers at multiple hotels with a type of consumer-grade spyware known as stalkerware. In one documented case, a hotel employee was logged into their Booking.com admin portal when the software captured a screenshot of the screen, exposing visible customer data.
That detail points to a broader issue. In some cases, vulnerabilities may exist not just within a platform, but across the hotels and systems connected to it. The current breach may follow a similar pattern, though the company has not confirmed how the unauthorized access occurred.
To put the scale in context, Booking.com says 6.8 billion bookings have been made through the platform since 2010. Even a small percentage of affected users represents a large number of people.
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A Booking.com breach exposed personal and reservation data that scammers can use to craft realistic fraud attempts. Security experts warn travelers to verify any message about their stay. (martin-dm/Getty Images)
Ways to stay safe after the Booking.com breach
You don’t have to swear off travel apps to protect yourself. A few targeted steps go a long way.
1) Check for an official notification
Check your email for a message from Booking.com. If you received one, take it seriously rather than filing it away. The company says it has updated PINs for affected reservations, but your account itself may still need attention.
2) Update your password now
Change your Booking.com password, especially if you reuse it anywhere else. Credential stuffing attacks are common after breaches, and reused passwords make it easy for hackers to break into other accounts. A password manager can help you create and store strong, unique passwords so you are not relying on the same one across multiple sites. Check out the best expert-reviewed password managers of 2026 at Cyberguy.com.
3) Turn on two-factor authentication
Enable two-factor authentication (2FA) if you haven’t already. It adds a step, but it also blocks access even if someone has your password.
4) Consider identity theft protection
Even though financial data was not accessed, exposed personal details can still be used in scams or identity theft attempts. An identity protection service can monitor your information, alert you to suspicious activity and provide support if your identity is compromised. See my tips and best picks on Best Identity Theft Protection at Cyberguy.com.
5) Watch for highly targeted phishing messages
Be skeptical of any message that references your booking details, whether it arrives by email, text or WhatsApp. Legitimate companies rarely ask you to click a link and re-enter payment information. Hackers with your booking data can write convincing fakes that look urgent.
6) Verify bookings through official channels
If you get a message about your reservation, do not click the link. Open the Booking.com app or type the website address manually. You can also contact the hotel directly using the number listed on its official website.
7) Add a safety net in case you click something malicious
If you accidentally click a suspicious link, strong antivirus software can help detect malicious websites or downloads before they cause damage. Look for tools that offer real-time protection and phishing detection, not just basic virus scans. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com.
8) Limit how your personal data is exposed online
Data brokers collect and sell personal details like your phone number and email address. That makes it easier for scammers to connect stolen booking data to a real person. Removing your information from these sites with a data removal service can reduce how often you are targeted. Check out my top picks for data removal services and get a free scan to find out if your personal information is already out on the web by visiting Cyberguy.com.
9) Report anything suspicious quickly
If you receive a phishing attempt that includes your real reservation details, contact Booking.com directly and report the message to your phone carrier or email provider. Reporting helps shut down scams faster.
Kurt’s key takeaways
Data breaches at major travel platforms are uncomfortable precisely because travel feels personal. Your itinerary, your accommodation and your plans are wrapped up in those booking details, and now someone else may have a copy. The good news is that financial information and home addresses were not part of this breach. The bad news is that the stolen data is detailed enough to be weaponized in targeted phishing attacks, and there’s evidence that it already has been. Booking.com updated its customers, reset PINs for affected reservations and publicly confirmed the incident. That’s more transparency than many companies offer. But the fact that users were receiving phishing messages on WhatsApp two weeks before the formal notification went out is worth sitting with. You can’t control whether the platform you use gets breached. You can control whether you’re an easy target once your data is out there.
How much responsibility should companies like Booking.com take when your personal data fuels scams? Let us know by writing to us at Cyberguy.com.
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Copyright 2026 CyberGuy.com. All rights reserved.
I’ve recommended several OLED gaming monitors to readers over the years, and I’ve finally taken my own advice to buy one. Alienware’s new 27-inch 1440p QD-OLED has all the features that I want and a low $350 price that was too tempting to ignore.
The AW2726DM model has five things that make it stand out for the price: a 1440p QD-OLED screen with lush contrast, a fast 240Hz refresh rate, a semi-glossy screen coating to enhance details, a low-profile design without flashy RGB LEDs, and a great warranty (three years with coverage for burn-in).
I’ve been using Alienware’s new monitor for a couple days, and I’ve already spent hours with it playing Marathon. It was my first opportunity to see Bungie’s new first-person extraction shooter in its full HDR glory, and I can never go back. Switching on HDR wasn’t automatic, though it already looked so much better than my IPS panel without being activated.
Enabling it transformed how Marathon looked for the better, but made everything else about the OS look pretty washed-out. It’s a Windows issue, not an Alienware issue. It’s easy to enable HDR every time I launch a game and disable it afterward with the Windows + Alt + B keyboard shortcut, but unfortunately triggers HDR for all connected displays. This includes my IPS monitor that imbues everything with a terrible gray hue when HDR is on. So, using the system settings is the best way to adjust HDR for just the QD-OLED.
I landed on this QD-OLED after having spent a ton of time researching pricier models. The unanimous takeaway from reviewers was that LG’s Tandem RGB WOLED panels are some of the brightest out there, but also tend to exhibit lousy gray uniformity in dark scenes. QD-OLED monitors, on the other hand, offer slightly better contrast than WOLED and don’t suffer from those same uniformity issues. However, blacks sometimes appear as dark purple in bright rooms on QD-OLED panels, meaning they’re ideal for rooms that don’t have a bunch of light bouncing around.
There’s no perfect choice, and honestly I got tired of doing research, so I jumped in with the cheapest OLED. I’m glad that I did. Shopping for an OLED gaming monitor can be hard, but it can also be this easy. AOC makes a model that’s discounted to $339.99 at the time of publishing, and its specs are comparable.
As expected, the AW2726DM isn’t a cutting-edge monitor. Its QD-OLED panel isn’t as fast or as bright as some other pricier options, and it doesn’t have USB ports for connecting accessories. Considering its low price, it’s easy for me to overlook those omissions. I’d have a much harder time accepting them in a pricier display.
The fact that I mostly use my computer for text-based work at The Verge is what prevented me from upgrading to an OLED monitor. My 1440p IPS monitor is bright, it’s good at showing text clearly, and it has a fast refresh rate for gaming. Alienware’s QD-OLED is less bright, and some might be bothered by how text looks (I have to really squint to see the slight fringing from this QD-OLED’s subpixel layout). But I have a life outside of work, which includes playing a lot of PC games. That’s the slice of myself I bought this monitor for, and I’m so happy I did.
Photography by Cameron Faulkner / The Verge
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