Global drop in spam email is 'short lived'

Posted in: Spam at 11/01/2011 16:52

A recently observed global decline in spam e-mail could prove to be short lived, researchers say.

A network of infected computers used to produce spam has sprung back to life after a lull of several weeks.

The Rustock botnet - as it is known - mysteriously stopped sending spam e-mails in early December, resulting in a massive decline in spam.

But according to security firm NetWitness, it restarted activity early on 10 January.
http://www.bbc.co.uk/news/technology-12154118

Also see:

Spam Is Back
A holiday hiatus for spammers appears to be over.

Rustock, a network of malware-infected personal computers that is the world's No. 1 source of spam and is believed to be controlled by Russian cybercriminals, stopped sending spam on Christmas Eve, causing global spam levels to plummet. No one really knew why.
http://bits.blogs.nytimes.com/2011/01/12/spam-is-back/

Email spam level bounces back after record low
A dramatic fall in the levels of emails advertising Viagra products and herbal medicines has caused a precipitous drop in global spam levels - but today the unsolicited messages showed the first signs of a huge comeback.

Pharmaceutical promotions usually account for around 64% of all email spam globally - around 60bn messages a day. This fell to as low as 0.1% over the Christmas period, accounting for a comparatively tiny 70m emails. "It's a drop in the ocean compared [to previous spam levels]," said Paul Wood, a senior analyst at cyber security firm Symantec.
http://www.guardian.co.uk/technology/2011/jan/10/email-spam-record-activity

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