Computers

Provides Linux kernel extensions which allow system administrators to apply security patches to a running kernel without having to reboot the system.

The Linux Encryption-HOWTO seeks to describe all major development activities around Linux that provide encryption features to the kernel.

RSBAC is another MAC kernel security enhancement project for Linux. The standard package includes a range of access control models like MAC, RC, ACL. Additionally, the runtime registration facility (REG) makes it easy to implement your own access control model as a kernel module and get it registered at runtime.

Grsecurity is a set of security patches to the 2.4 tree of Linux kernels. The goal of the project is to create the most secure system possible while requiring minimum configuration changes.