Mandiant Warns of Russian Hackers Exploiting Signal's "Linked Devices" Feature for Real-Time Spying

Mandiant warns that several Russian hacker groups (APTs) are exploiting the "Linked Devices" feature of Signal Messenger to spy on encrypted conversations in real-time. Signal users are affected by this vulnerability, which allows hackers to access messages without raising suspicion. The impacts include compromised communication confidentiality and the risk of espionage. Users are advised to remain vigilant and monitor the devices linked to their Signal account.