Verticals Targeted: Government Regions Targeted: US Related Families: StealC, RedLine, NetSupport RAT, DeerStealer, HijackLoader, SectopRAT Executive Summary CastleLoader, a versatile malware loader, has infected 469 devices since May 2025, leveraging Cloudflare-themed ClickFix phishing and fake GitHub repositories to deliver information stealers and RATs. Its sophisticated attack chain, high infection rate, and modular design make it a significant threat to organizations, particularly U.S. g...