The FBI and CISA have updated their March warning about Russian intelligence phishing Signal accounts, and the operators have added a step: they now coax targets into handing over their Signal Backup Recovery Key. Hand it over once, and the attacker can restore the account's backup, read the private and group message history, and take over the account. Worse, the key keeps working.

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Covered in 2 articles

TNW | Artificial-Intelligence·

FBI says Russian intelligence hackers have a new trick for reading your Signal messages, and it works even after you change phones

4sysops·

FBI Warns Russian Intelligence Hackers Target Signal Backup Recovery Keys (opens in new tab)

Covered in 2 articles

FBI says Russian intelligence hackers have a new trick for reading your Signal messages, and it works even after you change phones

Russian intelligence hackers use social engineering to steal Signal backup keys