New FlipSwitch Hooking Technique Bypasses Linux Kernel Defenses

The cybersecurity landscape witnessed the emergence of a sophisticated rootkit variation, FlipSwitch, targeting modern Linux kernels. First surfacing in late September 2025, FlipSwitch exploits recent changes in syscall dispatching to implant stealthy hooks directly into kernel code. Early indicators suggest attackers leverage this novel approach to evade traditional detection, compromising critical infrastructure and cloud environments. […]

The post New FlipSwitch Hooking Technique Bypasses Linux Kernel Defenses appeared first on Cyber Security News.