CERT-UA Impersonation Campaign Spread AGEWHEEZE Malware to 1 Million Emails

The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new phishing campaign in which the cybersecurity agency itself was impersonated to distribute a remote administration tool known as AGEWHEEZE. As part of the attacks, the threat actors, tracked as UAC-0255, sent emails on March 26 and 27, 2026, posing as CERT-UA to distribute a password-protected ZIP archive