A week in security (May 4 – May 10)

Last week on Malwarebytes Labs: Microsoft says Edge’s plaintext password behavior is "by design" ShinyHunters escalates Canvas attacks with school login defacements Massive AI investment scam network spans 15,500 domains If a fake moustache can fool age checks, is the Online Safety Act working?...

Scammers Use Hidden Text to Bypass AI Email Filters in Phishing Scams

Scammers are hiding invisible text inside phishing emails to manipulate AI-powered email filters and increase the chances of scams reaching inboxes...

Insights into the clustering and reuse of phone numbers in scam emails

Cisco Talos has recently started to collect and gather intelligence around phone numbers within emails as an additional indicator of compromise IOC. In this blog, we discuss new insights into in-the-wild phone number reuse in scam emails. According to Talos' observations, the ease of API-driven...

Websites with an undefined trust level: avoiding the trap

Executive summary A suspicious website is a web resource that cannot be definitively classified as phishing, but whose activities are unsafe. Such sites manipulate users, tricking them into voluntarily transferring money for non-existent services, signing up for hidden subscriptions, or disclosin...

FEMITBOT Network Abuses Telegram Mini Apps for Crypto Scams and Android Malware

A massive fraud network called FEMITBOT uses Telegram Mini Apps and fake brand names like Apple, Disney, and…...

A week in security (April 27 – May 3)

Last week on Malwarebytes Labs: 3 easy-to-miss cybersecurity risks for small businesses Actively exploited cPanel bug exposes millions of websites to takeover More PayPal emails hijacked to deliver tech support scams Hackers stole hundreds of thousands of Roblox accounts: Here’s what to do...

Google AppSheet Exploited in 30,000-User Facebook Phishing Operation

Scammers are abusing Google AppSheet and Google Drive to bypass security filters and steal thousands of Facebook Business accounts globally...

More PayPal emails hijacked to deliver tech support scams

Scammers have found another way to get deceptive messages delivered through PayPal’s legitimate services. In December 2025, we reported that PayPal closed a loophole that let scammers send real emails with fake purchase notices. In those cases, scammers created a PayPal subscription and then paus...

Scam-checking just got a lot easier: Malwarebytes is now in Claude

For years, Malwarebytes has protected people by going where they are, and where people are today is increasingly within AI tools. As these chatbots tackle more everyday questions—like what to wear for an interview, how to replace a pendant light in the home, and where to eat during upcoming...

A week in security (April 20 – April 26)

Last week on Malwarebytes Labs: Medical data of 500,000 UK volunteers listed for sale on Alibaba How cyberattacks on companies affect everyone Apple fixes iOS bug that kept deleted notifications, including chat previews Roblox clamps down on chats and age checks as legal pressure builds Malicious...

Milesight Cameras

RISK EVALUATION Successful exploitation of these vulnerabilities could crash the device being accessed or allow remote code execution. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Minimize network exposure...

Big Tech can stop scams. They just don’t (Lock and Code S07E08)

This week on the Lock and Code podcast … A dreadful thing happens far too often whenever an older adult falls for a scam: They get blamed for it. Not the scammers who lied and cheated their victim out of money. Not law enforcement for failing to recover funds. Not even the Big Tech companies that...

A week in security (April 13 – April 19)

Last week on Malwarebytes Labs: This old-school scam is still working "Your shipment has arrived" email hides remote access software Browser Guard gets even better with Access Control "iCloud storage is full" scam is back, and now it wants your payment details A fake Slack download is giving...

Booking.com breach gives scammers what they need to target guests

Travel companies love telling you your data is safe. Booking.com just reminded everyone why that's a hard promise to keep. The Amsterdam-based booking giant began notifying customers on April 13 that "unauthorized third parties" had accessed guest reservation data. The compromised information...

Fake YouTube copyright notices can steal your Google login

A convincing phishing campaign is going after YouTube creators, and if it works, attackers don't just steal your Google login. They can take over your entire Google account, including Gmail, your files, and payments, then hijack your YouTube channel and use your audience to run scams. The lure is...

A week in security (April 6 – April 12)

Last week on Malwarebytes Labs: Fake Claude site installs malware that gives attackers access to your computer ClickFix finds a new way to infect Macs Scammers pose as Amazon support to steal your account NSFW app leak exposes 70,000 prompts linked to individual users 30,000 private Facebook imag...

Your Push Notifications Aren’t Safe From the FBI

Plus: Iran’s internet blackout hits the 1,000-hour mark, cryptocurrency scams result in a record amount of money stolen from Americans, and more...

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...

Why GitHub Developers Are Targeted by Token Giveaway Scams

GitHub developers face rising giveaway scams. Verify repos, links, and maintainers before acting. Avoid rushed clicks, fake rewards, and risky wallet actions...

Why we’re still not doing April Fools’ Day

People lost an estimated $442 billion to scams last year worldwide, according to the Global Anti-Scam Alliance. The scale of that is hard to picture, but people's day-to-day scam experience is easier to recognize: Our research found that 44% of people say they encounter mobile scams every single...