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19 billion passwords have leaked online: How to protect yourself

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19 billion passwords have leaked online: How to protect yourself

Passwords are outdated, and it’s time for both tech companies and users to move on. There, I said it. Like it or not, the weakest link in cybersecurity is anything that relies on human input. While organizations continue to invest in firewalls and endpoint security, the most persistent vulnerability remains the human password.

The internet has long struggled with poor password practices, but a recent discovery highlights just how serious the problem is. 

Security researchers have uncovered more than 19 billion newly leaked passwords, collected from hundreds of breaches between April 2024 and April 2025. An astonishing 94% of these passwords were either reused, predictable or both.

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Illustration of a hacker at work. (Kurt “CyberGuy” Knutsson)

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What you need to know

Between April 2024 and April 2025, data from nearly 200 separate cybersecurity incidents became publicly available, as discovered by Cybernews. These were not isolated events. They involved massive leak repositories including combolists, stealer logs and compromised databases. In total, over 3 terabytes of raw leaked data were analyzed, comprising more than 19 billion passwords. Only 6 percent of these, just over 1.1 billion, were unique.

Among the most used passwords, “123456” appeared in over 338 million instances. Words like “Password” and “admin” followed close behind, despite years of public warnings. Such defaults often originate from devices like routers or enterprise tools, where they are rarely changed and frequently reused elsewhere.

1.7 BILLION PASSWORDS LEAKED ON DARK WEB AND WHY YOURS IS AT RISK

Personal names remain a common pattern as well. The name “Ana” appeared in nearly 179 million passwords, followed by countless other first names and name-based combinations. Pop culture, food, cities and even swear words were frequent themes. Words like “Mario,” “love,” “pizza,” “Rome” and various profanities were not just creative choices. They are now security liabilities.

Even worse, attackers do not need to guess anymore. They have automation. Credential stuffing tools now run through billions of known passwords across hundreds of platforms, breaching accounts at success rates as high as two percent. That equates to thousands of compromised profiles, bank accounts, emails and cloud tools every single day.

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Illustration of a hacker at work. (Kurt “CyberGuy” Knutsson)

200 MILLION SOCIAL MEDIA RECORDS LEAKED IN MAJOR X DATA BREACH

The bigger problem

According to CyberNews researcher Neringa Macijauskaite, the core issue is not just weak passwords but how often they are reused. Only six percent of passwords are unique. For most users, security depends entirely on two-factor authentication, if it is enabled at all.

Most passwords fall between eight to 10 characters, with eight being the most common. Around 27 percent of them contain only lowercase letters and digits, making them highly vulnerable to brute force attacks. Less than 20 percent use a mix of cases and numbers, and only a small fraction includes symbols.

HOW SECURE IS MY PASSWORD? USE THIS TEST TO FIND OUT

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Despite widespread education efforts, user habits remain stagnant, but one positive trend has emerged. In 2022, only one percent of passwords used a mix of lowercase, uppercase, numbers and symbols. Now that figure has grown to 19 percent, likely driven by stricter password requirements across platforms.

Get a free scan to find out if your personal information is already out on the web.

Illustration of a hacker at work. (Kurt “CyberGuy” Knutsson)

HR FIRM CONFIRMS 4M RECORDS EXPOSED IN MAJOR HACK

A password manager is the solution

Reused or weak passwords pose a massive threat, not just to individuals but to organizations. A single compromised password can trigger a domino effect, exposing multiple accounts across services. Consider using a password manager to generate and store complex passwords. Get more details about my best expert-reviewed Password Managers of 2025 here.

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Four ways to stay safe from password-stealing scammers

Protecting your data requires a mix of smart security habits and reliable tools. Here are four effective ways to keep your information safe.

1. Enable two-factor authentication (2FA): Even if your password is stolen, 2FA adds an extra layer of security by requiring a second form of verification, such as a code from an authentication app or biometric confirmation. Cybercriminals rely on stolen usernames and passwords to break into accounts, but with 2FA enabled, they cannot gain access without the additional security step. Make sure to enable 2FA on important accounts like email, banking and work-related logins.

2. Use strong antivirus software and be cautious with downloads and links: Infostealer malware is the root cause of why your password is out there. It often spreads through malicious downloads, phishing emails and fake websites. Avoid downloading software or files from untrusted sources, and always double-check links before clicking them. Attackers disguise malware as legitimate software, game cheats or cracked applications, so it is best to stick to official websites and app stores for downloads.

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.

3. Keep software updated: Cybercriminals exploit outdated software to deliver malware. Keeping your operating system, browsers, and security software up to date ensures that known vulnerabilities are patched. Enable automatic updates whenever possible, and install reputable antivirus or endpoint protection software that can detect and block infostealer threats before they compromise your system.

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4. Consider a personal data removal service: These services can help remove your personal information from data broker sites, reducing your risk of identity theft, spam and targeted scams. While no service can guarantee the complete removal of your data from the internet, a data removal service is really a smart choice. They aren’t cheap, and neither is your privacy. These services do all the work for you by actively monitoring and systematically erasing your personal information from hundreds of websites. It’s what gives me peace of mind and has proven to be the most effective way to erase your personal data from the internet. By limiting the information available, you reduce the risk of scammers cross-referencing data from breaches with information they might find on the dark web, making it harder for them to target you. Check out my top picks for data removal services here.

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Kurt’s key takeaways 

When it comes down to it, passwords just aren’t cutting it anymore. The sheer number of leaked passwords and the fact that so few are unique show how vulnerable we really are. Cybercriminals are getting smarter and faster, but we don’t have to make it easy for them. By using password managers, enabling two-factor authentication, keeping our software updated and considering extra privacy tools, we can take back some control over this situation. It might take a little effort to change old habits, but the peace of mind you get is worth it.

How many of your accounts use the same password or a variation of it? Let us know by writing us at Cyberguy.com/Contact

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Technology

I’ve been waiting years for Animal Crossing’s best new features

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I’ve been waiting years for Animal Crossing’s best new features

I never felt done with my Animal Crossing: New Horizons island. Despite playing every day for two years, and racking up 1,700 hours of playtime, I somehow never finished decorating. I had plenty of ideas for my island, sure, but actually implementing them was another story: The decorating and terraforming systems that helped make New Horizons a huge success are also slow, manual, and cumbersome, and my patience for decorating and redecorating had finally worn thin.

Fast-forward a few years, and a very much unexpected update is coming to finally fix some of those pain points. Update 3.0 is launching on January 15th, 2026, alongside the Switch 2 Edition of New Horizons. And while the paid Switch 2 upgrade has some nice-to-haves (like Joy-Con 2 mouse controls for indoor decorating), it’s the free update that brings all the key new features.

I recently attended a virtual preview for the New Horizons upgrade and update, and there are two caveats: I have not yet played either the Switch 2 version or the new free content myself, and it’s hard to gauge the quality of the Switch 2 version’s visual and performance improvements over a Zoom call. (I still have some unanswered questions about the biggest performance issues on the original Switch, like the choppy frame rate on more densely decorated islands.) But seeing the 3.0 additions in action, it was easy to imagine myself finishing my island — or at least an island.

As shown in the October announcement trailer, update 3.0 makes much-needed quality-of-life fixes. You’ll finally be able to craft multiple items at once, and crafting will pull materials from your overall storage instead of your pockets, meaning you won’t have to do a bunch of inventory management just to craft some decor. Then there’s Resetti’s Reset Service, which can help you clean up entire sections of your island instantly so you don’t have to pick everything up individually in order to redecorate. Some players also noticed a very subtle but potentially impactful change to movement while terraforming that should hopefully make it a smoother process. And then, as if to show off those decorating improvements, Nintendo also added Slumber Islands.

Not to be confused with dreams, New Horizons’ online island-sharing feature, Slumber Islands are extra sandboxes for you to decorate and play with, where you can set the time of day and the weather and magically conjure up any item you have in your in-game catalog to decorate with, similar to the Happy Home Paradise DLC. You can build bridges and inclines instantly by talking to Lloid, rather than going through Tom Nook and waiting (or time traveling) a day. And while it seems like terraforming works the same on Slumber Islands, the apparent addition of strafing while terraforming — instead of having to constantly reorient yourself manually — should help at least a little bit. (It’s the first thing I’m going to test on January 15th, that’s for sure.)

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For me, the worst part of decorating in New Horizons was having an idea, ordering all the furniture I’d need for it over the course of days, testing out the design, realizing it did not look the way I envisioned, and facing the tedious process of breaking it all down and starting over again brick by brick — or, at the very least, having to push and pull objects around for a while to see if I could make it work. The design process I saw on Nintendo’s Slumber Island during the preview, meanwhile, seemed quicker and smoother. Trying out an idea or aesthetic in that environment doesn’t sound like such a tall order.

Without any hands-on time, I can’t say if it will actually be noticeably easier to design and decorate with the 3.0 update. But I’m excited by the idea that I can go to my Slumber Island scratch pad and try out my designs before committing to them (and the cost in bells to get it all done) on my main island. And maybe, if I really like how it feels to decorate, I’ll make an entire Halloween-themed Slumber Island — the kind of island I’ve wanted to make for years but never did on my main island, where the seasons continue to change and actively ruin the vibe.

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Technology

Password manager fined after major data breach

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Password manager fined after major data breach

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Any data breach affecting 1.6 million people is serious. It draws even more attention when it involves a company trusted to guard passwords. That is exactly what happened to LastPass.

The UK Information Commissioner’s Office has fined LastPass about $1.6 million for security failures tied to its 2022 breach. Regulators say those failures allowed a hacker to access a backup database and put users at risk.

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CHECK IF YOUR PASSWORDS WERE STOLEN IN HUGE LEAK

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Why the LastPass breach still matters

LastPass is one of the most widely used password managers in the world. It serves more than 20 million individual users and around 100,000 businesses. That popularity also makes it an attractive target for cybercriminals.

The UK Information Commissioner’s Office fined LastPass for security failures tied to its 2022 breach.  (LaylaBird/Getty Images)

In 2022, LastPass confirmed that an unauthorized party accessed parts of its customer information through a third-party cloud storage service. While the incident initially raised alarms, the long-term impact has taken time to fully surface.

The ICO now says the breach affected about 1.6 million UK users alone. That scope played a major role in the size of the fine.

What regulators say went wrong

According to the ICO, LastPass failed to put strong enough technical and security controls in place. Those gaps made it possible for attackers to reach a backup database that should have been better protected.

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The regulator added that LastPass promises to help people improve security, but failed to meet that expectation. As a result, users were left exposed even if their passwords were not directly cracked.

Were passwords exposed or decrypted?

There is still no evidence that attackers decrypted customer passwords. That point matters.

Despite the breach, security experts continue to recommend password managers for most people. Storing unique, strong passwords in an encrypted vault is still far safer than reusing weak passwords across accounts.

As one expert noted, modern breaches often succeed after identity access rather than password cracking alone. Once attackers get a foothold, the damage can spread quickly.

Although attackers accessed a backup database, there is no evidence that customer passwords were decrypted. (Kurt “CyberGuy” Knutsson)

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Why the LastPass fine is a wake-up call for cybersecurity

The ICO called the LastPass fine a turning point. It reinforces the idea that security is about governance, staff training and supplier risk as much as software.

Users have a right to expect that companies handling sensitive data take every reasonable step to protect it.

Breaches may be inevitable, but weak safeguards are not.

LastPass on the UK data breach

We reached out to LastPass for comment on the UK fine, and a spokesperson provided CyberGuy with the following statement: 

“We have been cooperating with the UK ICO since we first reported this incident to them back in 2022. While we are disappointed with the outcome, we are pleased to see that the ICO’s decision has recognized many of the efforts we have already taken to further strengthen our platform and enhance our data security measures. Our focus remains on delivering the best possible service to the 100,000 businesses and millions of individual consumers who continue to rely on LastPass.”

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MASSIVE DATA BREACH EXPOSES 184 MILLION PASSWORDS AND LOGINS

How to protect yourself after a password manager breach

Breaches like this are a reminder that security requires layers. No single tool can protect everything on its own.

1) Use a strong password manager correctly

Keep using a reputable password manager. Set a long, unique master password and enable two-factor authentication. Avoid reusing your master password anywhere else.

Next, see if your email has been exposed in past breaches. Our No. 1 password manager pick includes a built-in breach scanner that checks whether your email address or passwords have appeared in known leaks. If you discover a match, immediately change any reused passwords and secure those accounts with new, unique credentials.

Check out the best expert-reviewed password managers of 2025 at Cyberguy.com.

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2) Rotate sensitive passwords

Change passwords for financial accounts, email accounts and work logins. Focus on services that could cause real damage if compromised.

3) Lock down your email

Your email account is the key to password resets. Use a strong password, two-factor authentication and recovery options you control. 

4) Reduce your exposed personal data

Data brokers collect and sell personal information that criminals use for targeting. A data removal service can help reduce what is publicly available about you. While no service can guarantee the complete removal of your data from the internet, a data removal service is really a smart choice. They aren’t cheap, and neither is your privacy. These services do all the work for you by actively monitoring and systematically erasing your personal information from hundreds of websites. It’s what gives me peace of mind and has proven to be the most effective way to erase your personal data from the internet. By limiting the information available, you reduce the risk of scammers cross-referencing data from breaches with information they might find on the dark web, making it harder for them to target you.

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.

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The fine sends a warning to the entire cybersecurity industry. Companies that handle sensitive data must protect it with strong safeguards and oversight. (REUTERS/Andrew Kelly)

5) Watch for phishing attempts and use strong antivirus software 

After major breaches, scammers follow. Be cautious of emails claiming urgent account problems or asking for verification details. 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.

6) Keep devices updated

Install updates for your operating system, browser and security tools. Many attacks rely on known vulnerabilities that updates already fix.

Kurt’s key takeaways

The fine against LastPass is about more than one company. It highlights how much trust we place in tools that manage our digital lives. Password managers remain a smart security choice. Still, this case shows why you should stay alert even when using trusted brands. Strong settings, regular reviews and layered protection matter more than ever. In the end, security works best when companies and we share the responsibility. Tools help, but habits and awareness finish the job.

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Do you believe companies are doing enough to protect user data, or should regulators step in more often? Let us know by writing to us at Cyberguy.com.

Sign up for my FREE CyberGuy Report 
Get my best tech tips, urgent security alerts and exclusive deals delivered straight to your inbox. Plus, you’ll get instant access to my Ultimate Scam Survival Guide — free when you join my CYBERGUY.COM newsletter. 

Copyright 2025 CyberGuy.com.  All rights reserved.

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Silksong is getting a free expansion next year

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Silksong is getting a free expansion next year

It’s still hard to believe that Hollow Knight: Silksong actually came out this year, but now, we all have a new thing to wait for: the game is getting a free expansion in 2026, titled Sea of Sorrow. Team Cherry calls it the game’s “first big expansion.”

“New areas, bosses, tools, and more!” Team Cherry says in a blog post. “Hornet’s adventures continue in our nautically themed expansion, coming free for all players next year. We’ll keep further details a secret for now, but expect additional info shortly before Hollow Knight: Silksong – Sea of Sorrow releases.”

More than 7 million people bought Silksong, according to Team Cherry, and “millions more” played on Xbox Game Pass.

The original Hollow Knight is getting updated, too. Team Cherry is working on a Nintendo Switch 2 Edition of the game that “incorporates all the updates and enhancements that Silksong received on the platform: High frame-rate modes, higher resolutions, and many additional graphical effects.” Players who own the Switch version of the game will get the Nintendo Switch 2 Edition as a free update when it’s available in 2026.

Ahead of that launch, Team Cherry says it will be “updating all versions of the original game for current platforms, adding features and fixing bugs.” Those changes include “full 16:10 and 21:9 aspect ratio support for those of you with Steam Decks or ultrawide monitors,” and PC players can try the new updates in public beta.

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