Half of all spam is relayed via Asian computers

Do you take enough care over your personal computer? Have you kept it up-to-date with the latest anti-virus software and security patches?

Those are the kinds of questions you have to ask yourself if you want to avoid contributing to the “Dirty Dozen”, Sophos’s regular research into the countries which are relaying the most spam messages.

Sophos’s latest report reveals that, although the USA remains the single worst offender, Asian nations contributed a significantly higher proportion of global spam than for the same period in Q3 2010.

Jumping up the table five places, South Korea is second to the USA, contributing 9.6% of all global spam emails. Several Asian nations – Indonesia, Pakistan, Taiwan and Vietnam – have joined the Dirty Dozen since Q3 2010, with India dropping to third place behind South Korea and being responsible for relaying 8.8% of the world’s spam…

Read more in my article on the Naked Security website.

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Graham Cluley •   @gcluley

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, on Mastodon at @[email protected], or drop him an email.