Kaspersky's Q1 2026 threat report highlights significant law enforcement actions against major ransomware operators, alongside the emergence of new ransomware groups like The Gentlemen. The quarter also saw active zero-day exploitation of Cisco Secure FMC (CVE-2026-20131) by the Interlock group, a rise in macOS-targeted crypto stealers and supply chain attacks via the Axios npm package, and persistent IoT botnet activity dominated by Mirai variants.