XKCD cartoon reminds users to log out for better security

Graham Cluley

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It’s disturbing just how many people seem to leave their computers permanently logged in to online services. An XKCD cartoon teaches us all an important security lesson.

Read more in my article on Sophos’s Naked Security blog.

Graham Cluley Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.