Attackers sidestep encryption with spoofed apps and zero-click exploits to compromise 'high-value' mobile users CISA has warned that state-backed snoops and cyber-mercenaries are actively abusing commercial spyware to break into Signal and WhatsApp accounts, hijack devices, and quietly rummage through the phones of what the agency calls "high-value" users.
Published: 2025-11-25T11:32:14