German Security Agencies Update Advisory on Signal Phishing Attacks (heise.de)

• Enhanced threat intelligence on Signal-based social engineering
• Focus on high-value targets in public and private sectors
• Mandatory review of secure communication protocols

"Germany's BfV and BSI have updated their advisory regarding sophisticated phishing campaigns targeting high-profile individuals via the Signal messaging app. The attacks are designed to harvest sensitive intelligence by compromising the accounts or credentials of decision-makers in government and business. The agencies emphasize the need for rigorous operational security when using encrypted messaging platforms for professional communications and advocate for heightened vigilance against unsolicited contact requests that attempt to circumvent traditional authentication mechanisms."