Calypso is a apt_group tracked across 1 threat cluster and 3 intelligence report mentions on ThreatCluster. First observed May 21, 2026; most recent activity May 22, 2026.
A new Linux malware family named Showboat has been discovered, targeting telecommunications firms primarily in the Middle East and Central Asia since mid-2022. Researchers from Lumen's Black Lotus Labs and PwC…