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The 40-Year-Old App That Just Became Every Hacker’s Favorite Weapon (And It’s Probably on Your Computer Right Now)

Your startup's biggest threat isn't AI—it's a boring app you forgot about. Discover the "Boring Door" attack exposing millions and fix it in 60 seconds.

Selim Yoruk's avatar
Selim Yoruk
Aug 28, 2025
∙ Paid

Remember WinRAR? That trusty file extractor with the “please buy a license” popup you’ve been ignoring since 2003?

Well, it just became the corporate world’s biggest security nightmare—and here’s the plot twist that should terrify every business leader: Your most dangerous security vulnerability isn’t some sophisticated AI attack. It’s that boring utility app you forgot was even installed.

The $100 Million Question Nobody’s Asking

While everyone’s panicking about ChatGPT stealing their data, Russian hackers just discovered they can take over millions of computers using... wait for it... a file compression tool that predates the iPhone by 14 years.

Here’s what’s actually happening (and why it’s genius in the worst way possible):

Hackers create what looks like a normal ZIP file—maybe labeled “Q4_Reports.rar” or “Invoice_2024.rar”. But when you extract it, the malware doesn’t just unpack to your chosen folder. It secretly plants itself in your Windows startup folder, meaning it launches every…

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