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Russian Cyber Warfare Targets Encrypted Messaging: The Signal QR Code Exploit Crisis The Rise of a New Attack Vector

Russian Cyber Warfare Targets Encrypted Messaging: The Signal QR Code Exploit Crisis The Rise of a New Attack Vector

Encrypted messaging apps like Signal have become critical tools for journalists, activists, military personnel, and privacy-conscious users worldwide. However, Google's Threat Intelligence Group has revealed that Russian-aligned hacking collectives UNC5792 and UNC4221 have weaponized Signal's device-linking feature, turning its core privacy functionality into an espionage vulnerability.

By My Privacy Blog