Linux

The Linux Server Attack Surface You Didn't Install: Default Services That Open Your System

Every major Linux distro ships services you never asked for. From snapd to CUPS to rpcbind — a practical audit guide covering Ubuntu, Debian, RHEL, Rocky, Fedora, and openSUSE.

CrackArmor: Nine AppArmor Flaws That Let Attackers Own the Kernel

Qualys TRU disclosed nine confused deputy vulnerabilities in Linux AppArmor — exposing 12.6 million servers to root escalation, KASLR bypass, and container isolation collapse. Technical deep dive and detection guide.