K 10 svn:author V 7 trhodes K 8 svn:date V 27 2014-02-04T00:31:27.509338Z K 7 svn:log V 259 Rewrite the front of the security section. This version adds a small discussion on using sudo, shows and example of using an IDS rather than just discussing what they are, update of threats, discussion on rootkits and back doors, adds more sysctls and more. END