As 2011 draws to a close we wanted to take a look at computer and information security in the twelve months that have passed.

What will probably stick in most people’s minds is the Sony PlayStation Network and Qriocity hack, which resulted in an outage lasting 23 days. In other developments, hacktivist groups like Anonymous and LulzSec took to social media to further their causes, and mobile malware got more attention than ever before.

All in all, there’s no doubt that 2011 was a very busy year for IT security professionals.

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Have you ever wondered what technology some of the really big websites use? The likes of Digg, YouTube, Myspace and so on? There is a very interesting website called High Scalability that is dedicated to, as they put it themselves, “building bigger, faster, more reliable websites.” They collect information about the architecture of high-traffic websites [...]

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