NSA and Partners Alert Zimbra Collaboration Suite Users of a Russian State-Supported Phishing Campaign

FORT MEADE, Md. (July 23, 2026) — Today, the National Security Agency (NSA) in collaboration with partners, is releasing a Cybersecurity Advisory (CSA) titled, “Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite.”