Technology
World's largest stolen password database uploaded to criminal forum
Change your passwords often
When you don’t have a thoughtful, strong password picked out, a clever hacker could easily compromise your privacy and security, creating devastating losses and enormously painful hassles in your life.
Security researchers have discovered what appears to be the largest password leak of all time, containing around 10 billion unique, plain text passwords. The file, titled “rockyou2024.txt,” was posted on a leading hacking forum by a hacker using the name “ObamaCare.”
The passwords didn’t leak in a single data breach; they are part of both old and new data breaches. This is bad news for everyone because hackers can use these passwords to access not only your personal data but also your financial information, especially if you use the same password for multiple services.
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People working on laptops (Kurt “CyberGuy” Knutsson)
What you need to know about RockYou2024 leak
The massive trove of passwords was discovered by researchers at Cybernews, who believe the leak poses severe dangers to users prone to reusing passwords. The report revealed that the password file, which was posted on BreachForums criminal underground forum, contained an astonishing 9,948,575,739 unique passwords, all in plain text format.
According to Cybernews, RockYou2024 isn’t an entirely new leak. It apparently comprises an earlier credentials database known as RockYou2021, which featured 8.4 billion passwords. The hackers scoured the internet for data leaks, adding another 1.5 billion passwords from 2021 through 2024, increasing the dataset by 15%.
“In its essence, the RockYou2024 leak is a compilation of real-world passwords used by individuals all over the world. Revealing that many passwords for threat actors substantially heightens the risk of credential stuffing attacks,” researchers said, noting that they cross-referenced the passwords included in the RockYou2024 leak with data from Cybernews’ Leaked Password Checker.
ObamaCare, the forum member who posted the password file, registered on the forum in May this year but has already leaked multiple other databases. For instance, they have previously shared an employee database from the law firm Simmons & Simmons, a lead from the online casino AskGamblers, and student applications for Rowan College at Burlington County.
Post announcing the leak on a hacker forum (Cybernews) (Kurt “CyberGuy” Knutsson)
ANDROID BANKING TROJAN MASQUERADES AS GOOGLE PLAY TO STEAL YOUR DATA
How does this leak affect you?
The password leak puts you at risk of credential stuffing attacks, which can be very damaging. Credential stuffing is when someone takes passwords from one data breach and tries to use them to log into other services.
For example, a hacker might use passwords from an AT&T breach or a previous breach with 26 billion records to see if you use the same password for your bank account.
“Threat actors could exploit the RockYou2024 password compilation to conduct brute-force attacks and gain unauthorized access to various online accounts used by individuals who employ passwords included in the dataset,” the researchers explained.
A woman working on her computer (Kurt “CyberGuy” Knutsson)
MASSIVE DATA BREACH EXPOSES OVER 3 MILLION AMERICANS’ PERSONAL INFORMATION TO CYBERCRIMINALS
How can I check if my information was sold on the dark web?
To check if your information was sold on the dark web, you can go to haveibeenpwned.com and enter your email address into the search bar. The website will search to see what data of yours is out there and display if there were data breaches associated with your email address on various sites. You may have even received an email from the website already saying that some of your data was stolen, and you should look into this immediately if that is the case.
What do I do if my data has been stolen, and how do I protect myself?
If you think you may have been affected by the massive password leak, follow these tips to safeguard yourself.
1) Change your passwords: Never use the same password for multiple services you use. If you recall adding the same password on different apps or websites, consider changing it to something different. Consider using a password manager– to generate and store complex passwords.
2) Set up two-factor authentication (2FA): 2FA is an extra shield that prevents hackers from accessing your accounts. It requires that after entering your password, you add another piece of information. This could be a code sent to your phone via SMS, a code generated by an authenticator app, a fingerprint scan or a hardware token.
3) Remove your personal information from the internet: Although no service can promise total removal of your data from the internet, using a removal service is a smart step. These services can help you monitor and systematically erase your personal information from hundreds of websites, offering you greater privacy and peace of mind. Preventing a scammer from being able to cross-reference your data from a breach from data they may find of yours on the dark web is a smart step to prevent scammers from targeting you. Remove your personal data from the internet with my top picks here.
4) Use a VPN: Consider using a VPN to protect your online activity and data. VPNs will protect you from those who want to track and identify your potential location and the websites that you visit. See my expert review of the best VPNs for browsing the web privately on your Windows, Mac, Android and iOS devices.
5) Monitor your accounts: Regularly review your bank statements, credit card statements and other financial accounts for any unauthorized activity. If you notice any suspicious transactions, report them immediately to your bank or credit card company. See my tips and best picks on how to protect yourself from identity theft.
Kurt’s key takeaway
The RockYou2024 leak is a wake-up call for everyone who uses the internet. It shows that even the data you entrust to companies might not be completely safe. While we can take steps to protect ourselves, the real responsibility lies with the apps and services we rely on. They need to step up their security game to prevent these huge data breaches from happening in the first place.
What measures do you believe companies should take to protect user data and prevent breaches like the RockYou2024 leak? Let us know by writing us at Cyberguy.com/Contact.
For more of my tech tips and security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter.
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Copyright 2024 CyberGuy.com. All rights reserved.
Technology
Google’s Nest Thermostat has hit its best price of the year
If you’re looking for a relatively affordable way to cut down on cooling costs, Google’s Nest Thermostat can help. It’s packed with smart controls and energy-saving features, and right now it’s on sale in white for $79 ($50 off), which is its best price of the year, at Amazon.
The smart thermostat is quick to install and makes it easy to adjust your home’s temperature whether you’re relaxing in bed or on your way home thanks to the Google Home app. You can also create schedules and control it with your voice using Google Assistant, Alexa, or another Matter-compatible voice assistant.
Once it’s set up, the Nest Thermostat can automatically turn the temperature down when you’re away to help reduce unnecessary energy use, while Google’s Savings Finder feature suggests additional ways to save over time. It also monitors your HVAC system and can alert you if something doesn’t seem right, making it easier to stay on top of maintenance before small issues become bigger, more expensive ones. If you’re eligible, Nest Renew can also automatically shift some of your heating and cooling to times when electricity is cleaner or cheaper.
That said, this is Google’s entry-level model from 2020, so you do miss out on some of the premium features found on the latest Nest Learning Thermostat. Unlike the flagship version, it won’t learn your schedule automatically over time, for example, and lacks support for Nest Temperature Sensors that let you prioritize the temperature in a specific room. Even so, if all you want is an easy way to adjust your home’s temperature remotely and potentially lower your energy bills, the Nest Thermostat is still a solid investment at this price.
Technology
Medical identity theft follows you into the doctor’s office
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The Justice Department recently charged 455 people in its annual National Health Care Fraud Takedown. The cases involve more than $6.5 billion in alleged false claims. More state Medicaid units took part than in any prior year. Ninety of the accused are doctors or other licensed medical professionals. The DOJ says prosecutors still must prove the charges in court.
Many schemes used other people’s medical identities. Prosecutors also added aggravated identity theft charges in cases across dozens of states. In one case, the co-owner of a Virginia mental health company allegedly paid homeless people with hotel stays. Prosecutors say the company used their Medicaid numbers, then billed Medicaid for crisis services the patients never got.
For the people whose numbers got used, the case file may eventually close. Their medical records may not be so easy to fix. Once someone else’s treatment shows up under your name, it can add wrong information to your chart. It can also use up insurance benefits you may need later. That is harder to undo than canceling a credit card.
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DR OZ WARNS MEDICARE SCAMMERS ARE STEALING BILLIONS — AND YOUR PERSONAL INFORMATION COULD BE NEXT
Medical identity theft can put someone else’s claims, prescriptions or diagnoses into your health records, creating problems that can follow you into a doctor’s office. (iStock)
The identity thief’s treatment gets written into your file
Medical identity theft happens when someone uses your name, Social Security number (SSN), health insurance account number, or Medicare number to see a doctor, fill a prescription, buy medical equipment, or submit a claim, according to the Federal Trade Commission (FTC).
When care is billed under your name, the thief’s health information can blend into yours. The FTC warns that mixed records can affect the care you’re able to get and the benefits you are able to use. A blood type, a drug allergy, a diagnosis, or a prescription that belongs to a stranger can sit in the file a physician reads before treating you.
Data breaches can feed the market for medical identity theft
Hospitals and insurers hold the exact records that make the fraud work, and those records are stolen often. This does not mean every healthcare breach leads to fraud. However, it explains why your insurance number, Medicare number, SSN and medical records can become valuable long after a breach notice arrives.
This spring, NYC Health + Hospitals reported that an intruder had copied files that may have included health insurance information, medical information, biometric data, billing data and other personal information. The breach was later reported to affect roughly 1.8 million current and former patients and employees.
Once a name, SSN, insurance number, Medicare number or medical record reaches a criminal marketplace, it can be resold to operators who bill under someone else’s identity.
Treat your insurance card like a credit card
Your health insurance and Medicare numbers are what these operations need, so the FTC recommends guarding them the way you would a payment card.
- Keep enrollment forms, benefit statements, and prescription labels somewhere secure, and shred them before throwing them out.
- When a doctor’s office asks for your SSN, ask whether it can use another identifier or the last four digits instead.
- Be wary of anyone who calls, texts, or emails offering free braces, genetic tests, or medical supplies in exchange for your Medicare number; several of the schemes in the June takedown billed Medicare for exactly those items.
- If you are on Medicare, create or log in to your secure Medicare account and review your claims. You can also check your Medicare Summary Notice for services, supplies or equipment you do not recognize. If something looks wrong, call 1-800-MEDICARE.
HOSPICE FRAUD USES STOLEN IDENTITIES FOR FAKE PATIENTS
Experts urge patients to treat insurance cards like credit cards and quickly challenge unfamiliar medical bills, claims or benefits notices. (iStock)
Your credit report may never flag this fraud
Because a fraudulent medical claim runs through insurance and provider systems instead of a credit check, it skips the alerts most people rely on.
Here’s what the FTC says you should look out for:
- A bill or an Explanation of Benefits (EOB) statement for care you never received
- A call from a debt collector about a medical debt you do not owe
- A medical collection you do not recognize on your credit report
- A notice from your insurer that you have reached your benefit limit
- A Medicare Summary Notice that lists services, supplies or equipment you never received
What to do first if a medical claim looks wrong
If a bill, EOB or Medicare notice shows care you never received, move quickly and keep everything in writing.
1) Call your insurer or Medicare directly
Call your insurer or Medicare using the number on your card, not a number from a random text, email or voicemail.
2) Get the claim details
Ask for the provider name, date of service, claim number and service details.
3) Request the records in writing
Contact the provider in writing and request the medical or billing records tied to that claim.
4) Report the error
Report the error to your insurer’s fraud department.
5) File an identity theft report
File a report at IdentityTheft.gov if your medical identity was used. That gives you a recovery plan and documentation you may need if fraudulent bills or collections show up later.
6) Save every document
Keep copies of every bill, EOB, letter, portal message, police report and case number.
Correcting a medical file is slower than disputing a charge
Request your records from every provider, clinic, pharmacy, lab and insurer the thief may have used, then report each error in writing. Under HIPAA, a provider generally has 30 days to give you access to your records after a written request, with a possible 30-day extension.
Fixing the record itself can take longer. HHS says a covered provider or health plan usually has up to 60 days to act on a request to amend a medical record, with a possible 30-day extension in certain cases. If the provider or plan created the wrong information, it must amend inaccurate or incomplete information.
There’s one catch, though: a provider may refuse to release records that now contain a stranger’s information, citing that person’s privacy. If that happens, ask for the provider’s privacy officer or patient advocate. You can also file a complaint with the U.S. Department of Health and Human Services Office for Civil Rights if you do not get your records or an explanation within the required window.
TEXAS DATA BREACH HITS 3M LICENSE CUSTOMERS
Stolen Medicare, Medicaid or insurance numbers can be used to bill for care, medical equipment or prescriptions patients never received. (kali9/Getty Images)
A credit freeze alone won’t stop a claim under your insurance
A freeze blocks new accounts, but it does nothing about a claim filed with your insurance number. Because medical identity theft can move without touching your credit file, monitoring where your personal information appears is the earliest way to act on it.
An identity theft protection service can monitor the dark web, data broker sites and people-search sites for exposed SSNs, driver’s license numbers, medical ID numbers and email addresses. It can also track all three credit bureaus for medical collections that may follow and flag public-record changes tied to your name.
If misuse happens, some services include fraud resolution support to help you request records, dispute fraudulent claims and work with providers, insurers and credit bureaus. Some plans also include identity theft insurance for eligible recovery costs.
No service can prevent every misuse of your medical identity. However, ongoing monitoring may flag exposed information before another person’s treatment reaches your records and your insurance.
See my tips and best picks on Best Identity Theft Protection at CyberGuy.com.
Kurt’s key takeaways
Medical identity theft hits in a place most of us rarely check: our health records. A stolen credit card can usually be canceled quickly. A stolen Medicare or insurance number can create fake claims, wrong diagnoses and benefit headaches that follow you long after the fraud case ends. I would not wait for a credit alert here. Check your EOBs, Medicare Summary Notices and insurer portals for visits, prescriptions or equipment you never received. Also, treat your insurance card like a payment card. Do not give the number to anyone who calls, texts or emails out of nowhere with a free offer. The most important thing is to act fast. Call your insurer or Medicare, ask for the claim details and request your medical records in writing. Then file at IdentityTheft.gov, so you have the paperwork you need if fraudulent bills or collections show up later.
Have you ever spotted a medical bill, insurance claim or EOB for care you never received? Let us know by writing to us at CyberGuy.com.
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Meta is reportedly working on smart glasses that would be recording all the time
Meta might be the next company to make an always-on AI wearable. The company is working on prototype “super sensing” always-aware smart glasses that could continuously record audio and snap photos “every few seconds,” according to the Financial Times. The wearer could then ask Meta AI about the captured audio and images.
However, the images and audio might not be directly available to the user. Here’s how the FT describes one way the glasses could use the data:
In one proposed system, raw footage and audio would not be stored by Meta or made available to the user, several people said. Instead, the metadata from that audio and images would be extracted and uploaded to the server for Meta’s AI to query, which proponents argue would have fewer privacy implications.
But currently, Meta is planning for the LED recording indicator to remain off in “super sensing” mode, the FT reports. In a July 2025 whitepaper, the company said that it would reserve the LED indicator for “active capture” scenarios where the user is saving photos or videos, and leave it off during “AI Feature” use — such as scanning a menu — to avoid users becoming too used to the indicator. (If the indicator was on during the “super sensing” mode, it might also be harder to know when the glasses are actually recording video.)
Meta is also discussing if it would use the captured data for training its AI models. It may also bring the “super sensing” features to glasses it has already released, the FT says.
“While we don’t comment on internal prototypes, we’re committed to getting our glasses right because they need to be loved by both people wearing them and those around them,” Meta spokesperson Dave Arnold says in a statement to The Verge. Arnold also notes that “Our approach has been to develop new technologies that will help people throughout their day, with privacy built in from the ground up.”
Meta hasn’t been shy about some type of always-aware glasses being a possibility. CEO Mark Zuckerberg, in the company’s Q1 2026 earnings call, said that he was “really excited to see the glasses evolve from being able to answer questions to being able to be a personal agent that’s with you all day long, helping you remember things and achieve your goals.” In a March blog post about new Ray-Ban Meta glasses, the company wrote that “with ongoing software updates, Meta AI on glasses will transition from something you have to prompt with a question each time, to a more continuous, in-the-moment assistant that can help throughout the day.”
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