Truecrypt.Full disk encryption, with the option for a second hidden, deniable operating system. Use one incredibly complex pass-phrase, and sleep tight knowing that your data is safe.Keepass.Use your second incredibly complex pass-phrase here. Then everything you sign up for can have 32, 64 or even more random character passwords. Hell, throwaway email accounts used for one time registrations still get 32 chars, because, why not?Tor.The browser bundle is always the best bet. To upgrade, simply save off your bookmarks, extract the new version, and import the old bookmarks. Once you're sure the new version has the correct info, toss out the old version.sudo apt-get update && apt-get installRun this daily, religiously. Or set it up as a task. There's no reason not to, and countless reasons in favour.