Xcsset is a malware family tracked across 2 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed May 19, 2026; most recent activity July 23, 2026.
In early 2026, the Iranian APT group MuddyWater launched cyberattacks against U.S. banking, a major airport, and Israeli operations of a U.S.-based software company. The attacks intensified in March, coinciding with…
The ADEX security team has published a case study on an active XCSSET malware infection affecting an iOS app development studio. XCSSET, a modular macOS malware identified in 2020, embeds itself in Xcode project files…