Minacce · 192 giorni fa
FBI e CISA riferiscono che attori legati alla Russia hanno impersonato account di supporto Signal e WhatsApp per sottrarre verification codes e prendere il controllo di migliaia di account. Le vittime includono funzionari USA, personale militare, politici e giornalisti.
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The Record from Recorded Future
FBI warns of Russian, Iranian cyber activity involving messaging platforms
The FBI issued warnings about separate Russian and Iranian cyber campaigns involving social media messaging platforms like Signal and Telegram.
Russian hackers go after high-value targets through Signal - Help Net Security
Russian intelligence-linked hackers are targeting commercial messaging platforms, with Signal a primary focus, the FBI and CISA warn.
FBI Warns Russian Hackers Target Signal, WhatsApp in Mass Phishing Attacks
Russian-linked phishing hits thousands of messaging accounts via fake support tactics, enabling impersonation and data access.
FBI, CISA issue PSA on Russian intelligence campaign to target messaging apps
It echoes earlier alerts from the Netherlands and Germany, and is the latest to warn about targeting of Signal users and others.
FBI links Signal phishing attacks to Russian intelligence services
The FBI has issued a public service announcement warning that Russian intelligence-linked threat actors are actively targeting users of encrypted messaging apps such as Signal and WhatsApp in phishing campaigns that have already compromised thousands of accounts.
Russian Intelligence Services Target Commercial Messaging Application Accounts | CISA
CISA and the FBI released a public service announcement warning about ongoing phishing campaigns by Russian state cyber actors targeting commercial messaging applications.
Part of the PlainSec briefing for 2026-03-26