Technology
183 million email passwords leaked: Check yours now
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A massive online leak has exposed more than 183 million stolen email passwords gathered from years of malware infections, phishing campaigns and older data breaches. Cybersecurity experts say it is one of the largest compilations of stolen credentials ever discovered.
Security researcher Troy Hunt, who runs the website Have I Been Pwned, found the 3.5-terabyte dataset online. The credentials came from infostealer malware and credential stuffing lists. This malware secretly collects usernames, passwords and website logins from infected devices.
Researchers say the data contains both old and newly discovered credentials. Hunt confirmed that 91% of the data had appeared in previous breaches, but about 16.4 million email addresses were completely new to any known dataset.
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DISCORD CONFIRMS VENDOR BREACH EXPOSED USER IDS IN RANSOM PLOT
Cyber experts uncovered a 3.5-terabyte data dump containing millions of stolen logins. (Kurt “CyberGuy” Knutsson)
The real risk behind the password leak
The leak puts millions of users at risk. Hackers often collect stolen logins from multiple sources and combine them into large databases that circulate on dark web forums, Telegram channels and Discord servers.
If you have reused passwords across multiple sites, attackers can use this data to break into your accounts through credential stuffing. This method tests stolen username and password pairs on many different platforms.
The risk remains real for anyone using old or repeated credentials. One compromised password can unlock social media, banking and cloud accounts.
GOOGLE CONFIRMS DATA STOLEN IN BREACH BY KNOWN HACKER GROUP
Researcher Troy Hunt traced the leak to malware that secretly steals passwords from infected devices. (Jens Büttner/picture alliance via Getty Images)
Google responds to the reports
Google confirmed there was no Gmail data breach. In a post on X, the company stated “reports of a Gmail security breach impacting millions of users are false. Gmail’s defenses are strong, and users remain protected.”
Google clarified that the leak came from infostealer databases that compile years of stolen credentials from across the web. These databases are often mistaken for new breaches when, in fact, they represent ongoing theft activity. Troy Hunt also confirmed the dataset originated from Synthient’s collection of infostealer logs, not from a single platform or recent attack. While no new breach occurred, experts warn that leaked credentials remain dangerous because cybercriminals reuse them for future attacks.
How to check if you were exposed
To see if your email was affected, visit Have I Been Pwned. It is the first and official source for this newly added dataset. Enter your email address to find out if your information appears in the Synthient leak.
Many password managers also include built-in breach scanners that use the same data sources. However, they may not yet include this new collection until their databases update.
If your address shows up, treat it as compromised. Change your passwords immediately and turn on stronger security features to protect your accounts.
COLUMBIA UNIVERSITY DATA BREACH HITS 870,000 PEOPLE
The 183 million exposed credentials came from malware, phishing and old data breaches. (Kurt “CyberGuy” Knutsson)
9 steps to protect yourself now
Protecting your online life starts with consistent action. Each step below adds another layer of defense against hackers, malware and credential theft.
1) Change your passwords immediately
Start with your most important accounts, such as email and banking. Use strong, unique passwords with letters, numbers and symbols. Avoid predictable choices like names or birthdays.
Never reuse passwords. One stolen password can unlock multiple accounts. Each login should be unique to protect your data.
A password manager makes this simple. It stores complex passwords securely and helps you create new ones. Many managers also scan for breaches to see if your current passwords have been exposed.
Next, check whether your email has been caught in a recent credential leak. Our No. 1 password manager pick includes a built-in Breach Scanner that searches trusted databases, including the newly added Synthient data from Have I Been Pwned. It helps you find out if your email or passwords have appeared in any known leaks. If you see a match, change any reused passwords right away and secure those accounts with strong, unique credentials.
Check out the best expert-reviewed password managers of 2025 at Cyberguy.com.
2) Enable two-factor authentication (2FA)
Turn on 2FA wherever possible. It adds a powerful second layer of defense that blocks intruders even if they have your password. You will receive a code by text, app or security key. That code ensures only you can log in to your accounts.
3) Use an identity theft service for continuous monitoring
Identity Theft companies can monitor personal information like your Social Security number (SSN), phone number and email address, and alert you if it is being sold on the dark web or being used to open an account. They can also assist you in freezing your bank and credit card accounts to prevent further unauthorized use by criminals. It’s a smart way to stay one step ahead of hackers.
See my tips and best picks on how to protect yourself from identity theft at Cyberguy.com.
4) Protect your devices with strong antivirus software
Infostealer malware hides inside fake downloads and phishing attachments. A strong antivirus software scans your devices to stop threats before they spread. Keep your antivirus updated and run frequent scans. Even one unprotected device can put your whole digital life at risk.
The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe.
Get my picks for the best 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.
5) Avoid saving logins in your web browser
Browsers are convenient but risky. Infostealer malware often targets saved passwords in your web browser.
6) Keep software updated
Updates fix security flaws that hackers exploit. Turn on automatic updates for your operating system, antivirus and apps. Staying current keeps threats out.
7) Download only from trusted sources
Avoid unknown websites that offer free downloads. Fake apps and files often contain hidden malware. Use official app stores or verified company websites.
8) Review your account activity often
Check your accounts regularly for unusual logins or device connections. Many platforms show a login history. If something looks off, change your password and enable 2FA immediately.
9) Consider a personal data removal service
The massive leak of 183 million credentials shows just how far your personal information can spread and how easily it can resurface years later in aggregated hacker databases. Even if your passwords were part of an old breach, data like your name, email, phone number or address may still be available through data broker sites. Personal data removal services can help reduce your exposure by scrubbing this information from hundreds of these sites.
While no service can guarantee total removal, they drastically reduce your digital footprint, making it harder for scammers to cross-reference leaked credentials with public data to impersonate or target you. These services monitor and automatically remove your personal info over time, which gives me peace of mind in today’s threat landscape.
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.
Get a free scan to find out if your personal information is already out on the web: Cyberguy.com.
Kurt’s key takeaways
This leak highlights the ongoing danger of malware and password reuse. Prevention remains the best defense. Use unique passwords, enable 2FA and stay alert to keep your data safe. Visit Have I Been Pwned today to check your email and take action. The faster you respond, the better you protect your identity.
Have you ever discovered your data in a breach? What did you do next? Let us know by writing to us at Cyberguy.com.
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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.
Technology
Booking.com data breach exposes traveler data to scams
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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.”
APPLE NOW LETS YOU ADD YOUR PASSPORT TO YOUR PHONE’S WALLET
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.
NEW FBI WARNING REVEALS PHISHING ATTACKS HITTING PRIVATE CHATS
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.
Technology
It’s amazing how good Alienware’s $350 OLED monitor is
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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