Tails GNU/Linux developers announced release of Tails, The Amnesic Incognito Live System 1.3.1, a Debain based GNU/Linux distribution giving top most priority for privacy, security and anonymity over internet.
From Release Announcement:
Tails, The Amnesic Incognito Live System, version 1.3.1, is out. This is an emergency release, triggered by an unscheduled
Firefox release meant to fix critical security issues. It fixes numerous security
issues and all users must
upgrade as soon as possible. Continue Reading.