The Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning about sophisticated spyware attacks targeting messaging applications, particularly those used by senior government officials, military leaders, and civil society executives. Cyber actors have employed advanced techniques, such as zero-click malware and fraudulent app upgrades, to gain unauthorized access to victims’ devices, thereby compromising sensitive information. CISA’s alert underscores the growing concerns over the prevalence of such attacks, particularly against encrypted messaging services like Signal. This trend highlights the need for enhanced cybersecurity measures, especially for organizations with limited resources, as they face increasing threats from nation-state actors leveraging commercial spyware.