FBI and CISA Warn of Russian Hackers Targeting Signal Users

The FBI and CISA have warned that Russian intelligence-linked hackers are targeting high-value individuals via commercial messaging platforms, with Signal identified as a primary focus. The campaign specifically aims at government personnel, journalists, and others with access to sensitive communications. Thousands of commercial messaging accounts are believed to have been compromised through phishing attacks. The threat actors exploit users' false sense of security in encrypted platforms to conduct cyber espionage. No specific dates, technical indicators, or CVE IDs were provided in the report.