Explained: security certificates

As a result of my PowerShell series 1,2,3, where I used the handling of certificates as an example, mainly because I wanted a method to keep track easier of which certificates were being added by malware, I've have received some questions about how security certificates work and how they stopped...

Solution Corner: Malwarebytes Endpoint Protection

We’ve been busy here at Malwarebytes with several product announcements recently. Malwarebytes Incident Response was released in late April, providing threat detection and remediation via our new cloud-based platform. Right on its heels, leveraging the same platform is Malwarebytes Endpoint...

Google pauses open source bug bounty program after rise in AI submissions

Companies like Google and Microsoft are finding much bigger numbers of vulnerabilities in their own products as a result of AI. But the same technology is leading to public reporting programs becoming overwhelmed by the mass submission of speculative, duplicated, or hallucinated findings. Now,...

Infostealers are hijacking Claude accounts at users’ expense

Anthropic has warned some Claude users that criminals are using information stealers to take over their accounts. Rather than guessing passwords or intercepting two-factor authentication 2FA codes, the attackers steal the browser sessions that prove a user is already logged in. According to a...

Apple accused of letting fake crypto app steal $1.8 million

Apple's tagline for its App Store says, "The apps you love. From a place you can trust." You might love the apps, but can you trust the store? A federal lawsuit filed in the Northern District of California last week suggests not. Three people have accused Apple of promoting a fake version of the...

Chrome needs another whopper update to fix 382 security bugs

If there was ever a time when it dawned on users how full of holes the software they’ve been using is, it’s now. Last month Microsoft pushed out its biggest patch Tuesday update ever. And yesterday, on the last day of June, Google published an update which included a whopping 382 security fixes...

Hackers steal passport and driver’s license data of 3 million Texans

You can change a password and cancel a card. But replacing a passport or driver's license number every time someone leaves yours unsecured in a vendor database isn't so easy. More than three million Texans are facing that problem after a data breach involving a vendor used by the Texas Parks and...

Roblox clamps down on chats and age checks as legal pressure builds

Roblox has long faced criticism over child safety on its platform. Now it has started settling with state attorneys over the issue, and the total is climbing fast. On April 21, Alabama Attorney General Steve Marshall announced a $12.2 million settlement with the child-focused online gaming...

Credit Resources Vault: Why this credit email set off our scam alarms

If there is anything that annoys me more than a scammer, it's companies that behave like one, while staying just on the right side of the law. They manage to linger and disappoint customers for years. It's also why sometimes people think that Malwarebytes Scam Guard can be overly cautious when...

A week in security (March 30 – April 5)

Last week on Malwarebytes Labs: That dream job offer from Coca-Cola or Ferrari? It’s a trap for your passwords Blocking children from social media is a badly executed good idea Apple expands "DarkSword" patches to iOS 18.7.7 Malwarebytes Privacy VPN receives full third-party audit Wikipedia’s AI...

GlassWorm attack installs fake browser extension for surveillance

GlassWorm hides inside developer tools. Once it's in, it steals data, installs remote access malware, and even a fake browser extension to monitor activity. While it starts with developers, the impact can quickly spread. With stolen credentials, access tokens, and compromised tools, attackers can...

Landmark verdicts put Meta’s “addiction machine” platforms on trial

Meta faced two major legal setbacks this week as courts in New Mexico and California both found the company liable for harm to children. A New Mexico jury just ordered Meta to pay $375 million for misleading parents about child safety on Instagram and Facebook. Jurors found the company violated...

Watch out for fake Malwarebytes renewal notices in your calendar

We’ve become aware of a scam campaign sending fake calendar invites that impersonate Malwarebytes and attempt to trick recipients into calling a scam “billing support” number. We have written before about how calendar invites can be abused for phishing, and even about how Google Calendar invites...

[updated] Google patches two Chrome zero-days under active attack

Update March 16, 2026 Earlier this week, Google incorrectly reported that an actively exploited vulnerability in Chrome had been fixed, and has now announced it will roll out a new update to protect users against the vulnerability tracked as CVE-2026-3909. Original content: Google has released an...

Fake shops target Winter Olympics 2026 fans

If you've seen the two stoat siblings serving as official mascots of the Milano Cortina 2026 Winter Olympics, you already know Tina and Milo are irresistible. Designed by Italian schoolchildren and chosen from more than 1,600 entries in a public poll, the duo has already captured hearts worldwide...

Discord will limit profiles to teen-appropriate mode until you verify your age

Discord announced it will put all existing and new profiles in teen-appropriate mode by default in early March. The teen-appropriate profile mode will remain in place until users prove they are adults. To change a profile to “full access” will require verification by Discord’s age inference model...

Match, Hinge, OkCupid, and Panera Bread breached by ransomware group

The ShinyHunters ransomware group has claimed the theft of data containing 10 million records belonging to the Match Group and 14 million records from bakery-café chain Panera Bread. Claims posted by ShinyHunters The Match Group, that runs multiple popular online dating services like Tinder,...

Spammers abuse Zendesk to flood inboxes with legitimate-looking emails, but why?

Short answer: we have no idea. People are actively complaining that their mailboxes and queues are being flooded by emails coming from the Zendesk instances of trusted companies like Discord, Riot Games, Dropbox, and many others. Zendesk is a customer service and support software platform that...

Celebrating reviews and recognitions for Malwarebytes in 2025

Independent recognition matters in cybersecurity, and it matters a lot to us. It shows how security products perform when they’re tested against in-the-wild threats, using lab environments designed to reflect what people actually face in the real world. In 2025, Malwarebytes earned awards and...

Malware in 2025 spread far beyond Windows PCs

This blog is part of a series highlighting new and concerning trends we noticed over the last year. Trends matter because they almost always provide a good indication of what 's coming next. If there’s one thing that became very clear in 2025, it’s that malware is no longer focused on Windows...

Photo booth flaw exposes people’s private pictures online

Photo booths are great. You press a button and get instant results. The same can’t be said, allegedly, for the security practices of at least one company operating them. A security researcher spent weeks trying to warn a photo booth operator about a vulnerability in its system. The flaw reportedl...

A week in security (November 24 – November 30)

Last week on Malwarebytes Labs: How CVSS v4.0 works: characterizing and scoring vulnerabilities Millions at risk after nationwide CodeRED alert system outage and data breach Holiday shoppers targeted as Amazon and FBI warn of surge in account takeover attacks Fake LinkedIn jobs trick Mac users in...

Millions at risk after nationwide CodeRED alert system outage and data breach

A nationwide cyberattack against the OnSolve CodeRED emergency notifications system has prompted cities and counties across the US to warn residents and advise them to change their passwords. CodeRED is used by local governments to deliver fast, targeted alerts during severe weather, evacuations,...

Holiday scams 2025: These common shopping habits make you the easiest target

Every year, shoppers get faster, savvier, and more mobile. We compare prices on the go, download apps for coupons, and jump on deals before they disappear. But during deal-heavy periods like Black Friday, Cyber Monday, and the December shopping rush, convenience can work against us. Quick...

Chrome zero-day under active attack: visiting the wrong site could hijack your browser

Google has released an update for its Chrome browser that includes two security fixes. Both are classified as high severity, and one is reportedly exploited in the wild. These flaws were found in Chrome’s V8 engine, which is the part of Chrome and other Chromium-based browsers that runs JavaScrip...

Are you paying more than other people? NY cracks down on surveillance pricing

When you search for a product online, you might think you're getting the same price as everyone else. Think again. Your price might be different based on everything from your location to what you've looked at online. Companies often use algorithms to set their prices that rely heavily on customer...

How Malwarebytes stops the ransomware attack that most security software can’t see

Imagine this scenario: Your protection software is running perfectly. Systems are protected, definitions are up to date, behavioral analysis is active. Then, suddenly, files across your network start getting encrypted. Backups are being deleted. Ransom notes appear across your machines. Your...

Apple may have to open its walled garden to outside app stores

The UK’s Competition and Markets Authority CMA ruled that both Google and Apple have a "strategic market status." Basically, they have a monopoly over their respective mobile platforms. As a result, Apple may soon be required to allow rival app stores on iPhones—a major shift for the smartphone...

Fake VPN and streaming app drops malware that drains your bank account

Security researchers are warning Android users to delete a fake VPN and streaming app that can let criminals take over their phones and drain their bank accounts. The app, Mobdro Pro IP TV + VPN, was discovered by researchers at Cleafy to be a malicious sideloaded app, not a legitimate VPN. Their...

From threats to apology, hackers pull child data offline after public backlash

Last week we yelled at some “hackers” that threatened parents after stealing data from their children's nursery. This followed a BBC report that a group calling itself “Radiant” claimed to have stolen sensitive data related to around 8,000 children from nursery chain Kido, which operates in the U...

Scam Facebook groups send malicious Android malware to seniors

An infostealer and banking Trojan rolled into one is making the rounds in Facebook groups aimed at "active seniors". Attackers used social engineering methods to lure targets into joining fake Facebook groups that appeared to promote travel and community activities—such as trips, dance classes, a...

A week in security (September 22 – September 28)

Last week on Malwarebytes Labs: Hackers threaten parents: Get nursery to pay ransom or we leak your child’s data Google and Flo to pay $56 million after misusing users’ health data Neon App pays users to record their phone calls, sells data for AI training updated New SVG-based phishing campaign ...

New SVG-based phishing campaign is a recipe for disaster

We've written in the past about cybercriminals using SVG files for phishing and for clickjack campaigns. We found a new, rather sophisticated example of an SVG involved in phishing. For readers that missed the earlier posts, SVG files are not always simply image files. Because they are written in...

Update your Chrome today: Google patches 4 vulnerabilities including one zero-day

Google has released an update for its Chrome browser to patch four security vulnerabilities, including one zero-day. A zero-day vulnerability refers to a bug that has been found and exploited by cybercriminals before the vendor even knew about it they have "zero days" to fix it. This update is...

This “insidious” police tech claims to predict crime (Lock and Code S06E18)

This week on the Lock and Code podcast… In the late 2010s, a group of sheriffs out of Pasco County, Florida, believed they could predict crime. The Sheriff’s Department there had piloted a program called “Intelligence-Led Policing” and the program would allegedly analyze disparate points of data ...

A week in security (August 25 – August 31)

Last week on Malwarebytes Labs: Microsoft wants to automatically save your Word docs to the cloud "No place in our networks": FCC hangs up on thousands of voice operators in robocall war Claude AI chatbot abused to launch "cybercrime spree" Developer verification: a promised lift for Android...

“No place in our networks”: FCC hangs up on thousands of voice operators in robocall war

Everyone hates robocalls. However, it's difficult to track down all the scammers and spammers that make them, so the Federal Communications Commission FCC has taken another approach: it just disconnected over a thousand voice operators from the public telephone network for not doing their part to...

77 malicious apps removed from Google Play Store

Google has removed 77 malicious apps from the Google Play Store. Before they were removed, researchers at ThreatLabz discovered the apps had been installed over 19 million times. One of the malware families discovered by the researchers is a banking Trojan known as Anatsa or TeaBot. This banking...

AI-powered stuffed animals: A good alternative for screen time?

Are AI Artificial Intelligence-powered stuffed animals really the best alternative to screen time that we want to offer our children? Some AI startups think so. One of those startups is Curio, a company that describes itself as “a magical workshop where toys come to life.” Curio offers three...

How to spot the latest fake Gmail security alerts

Security alerts from tech companies are supposed to warn us when something might be amiss—but what if the alerts themselves are the risk? Scammers have long impersonated tech companies' security and support staff as a way to sniff out users' login credentials, and reports suggest that they're doi...

National Public Data returns after massive Social Security Number leak

Remember that data broker nobody had ever heard of, but managed to leak a database which contained the data of some 2.9 billion people? It's back, and this time with a search function. National Public Data suffered an alleged breach in 2024 against a data base that, it turned out, carried 272...

Netflix scammers target jobseekers to trick them into handing over their Facebook logins

In what seems a phishing attack targeted at a certain audience, scammers are impersonating Netflix and reaching out to marketing staff. The initial mail looks like what you might expect from a headhunter or a human resources HR recruitment specialist. "I hope this note finds you well," the email...

Trump Administration and Big Tech want you to share your health data

US President Donald Trump announced a loose plan Wednesday to allow Americans to voluntarily upload and port their medical records across hospitals, clinics, technology companies, and health apps, with broad participation from Google, Apple, OpenAI, Amazon, and more. While the system could help...

Tea Dating Advice app has users’ private messages disclosed

A few days after Tea Dating Advice discovered unauthorized access to one of its systems that leaked 72,000 user images, the popular mobile app faced a second issue involving a separate database, as a researcher reported to 404Media that they were able to access private conversations. Tea Dating...

Deepfake criminals impersonate Marco Rubio to uncover government secrets

Deepfake attacks aren't just for recruitment and banking fraud; they've now reached the highest levels of government. News emerged this week of an AI-powered attack that impersonated US Secretary of State Marco Rubio. Authorities don't know who was behind the incident. A US State Department cable...

Your Meta AI chats might be public, and it’s not a bug

Conversations that people are having with the Meta AI app are being exposed publicly, often without the users realizing it, revealing a variety of medical, legal, and private matters. The standalone app and the company's integrations with artificial intelligence AI across its platforms—Facebook,...

OpenAI forced to preserve ChatGPT chats

OpenAI has protested a court order that forces it to retain its users' conversations. The creator of the ChatGPT AI model objected to the order, which is part of a copyright infringement case against it by The New York Times and other publishers. The news organizations argued that ChatGPT was...

Fake AI video generator tools lure in Facebook and LinkedIn users to deliver malware

Cybercriminals are taking advantage of the public’s interest in Artificial Intelligence AI and delivering malware via text-to-video tools. According to researchers at Mandiant, the criminals are setting up websites claiming to offer “AI video generator” services, and then using those fake tools t...

Toll fee scams are back and heading your way

Back in August 2024, we warned about a relatively new type of SMS phishing or smishing scam that was doing the rounds. Now a new wave of toll fee scams are working their way round the US. These attempts come as an unexpected text message linking to a website pretending to belong to one of the US...

Amazon disables privacy option, will send your Echo voice recordings to the cloud

Amazon has announced its Echo devices will no longer have the option to store and process requests on the device itself, meaning your voice recordings will now be sent to the cloud for processing. In an email sent to customers, Amazon explained that the feature "Do Not Send Voice Recordings" will...