From CAPTCHA to catastrophe: How fake verification pages are spreading malware

When you visit a webpage, you might see a CAPTCHA to make sure you’re a real person and not a bot. These usually involve jumbled words, some recognizable images or just a box that says, "I am not a robot." 

CAPTCHAs are harmless, but hackers are now using them to infect your PC with malware.

Security researchers have found a huge fake CAPTCHA campaign spreading the dangerous Lumma info-stealer malware, which can bypass security measures like Safe Browsing.

This campaign shows how malvertising works, with more than a million ad impressions every day and thousands of victims losing their accounts and money through a network of more than 3,000 sites. I’ll break down how this scam works, who’s responsible and how you can protect yourself.

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