Grsecurity® is an extensive security enhancement to the Linux kernel that defends against a wide range of security threats through intelligent access control, memory corruption-based exploit prevention, and a host of other system hardening that generally require no configuration. It has been actively developed and maintained for the past 15 years. Commercial support for grsecurity is available through Open Source Security, Inc.
Tails an Open Source Operating system based on famous GNU/Linux OS Debian which is meant for “Privacy for anyone anywhere” has been launched.
Tails is new Operating System in the list of Operating Systems which provides anonymity online; It is meant to provide “Privacy for anyone anywhere” Tails is Live Operating System which can be downloaded from its website: