Alex Vance General news Operation 'Ghost Signal': FBI & CISA Unmask Russian APT Phishing Against High-Value Targets on Signal & WhatsApp FBI and CISA warn of Russian APTs using sophisticated phishing to compromise Signal and WhatsApp accounts of high-value individuals.
Alex Vance General news BfV & BSI Joint Advisory: State-Sponsored Signal Phishing Targets German High-Value Individuals German agencies warn of state-sponsored Signal phishing campaign targeting politicians, military, and journalists for intelligence gathering.