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Postini: Spam up again following McColo takedown

Spammers get botnets back up as spam levels return to normal in March, four months after hosting company McColo was shut down, Google's Postini says.

By March 31, 2009


Spam declines after hosting company shut-down

Experts say McColo-hosted sites may have been responsible for as much as 75 percent of the spam on the Internet.

By November 12, 2008


Spam increasing again after shutdown of hosting company

Two weeks after hosting provider McColo was shut down, the volume of spam is increasing again as stranded botnets get connected to new domains.

By November 26, 2008


Spam's carbon footprint: One e-mail is like driving three feet

Report finds energy used annually to delete spam and rescue legitimate e-mail is equal to electricity use in 2.4 million homes and greenhouse gas emissions from 3.1 million cars.

By April 15, 2009


Spam sinks to lowest level in almost three years, says Symantec

The amount of spam around the globe now accounts for 70 percent of all e-mail, a sharp decline from 2009 when it accounted for 90 percent.

By December 7, 2011


McAfee: New botnets dwarf Conficker threat

Looking beyond the Conficker worm, a new security report notes a 50 percent increase in the number of zombie PCs over 2008, plus cyberthreats such as Vundo.

By May 5, 2009


Botnet expert suggests hitting cybercriminals in pocket book

Cutting off the money flow to cybercriminals could be the best way to stop them, a top botnet researcher says.

By April 22, 2009


Report: Spam now 90 percent of all e-mail

Symantec report also notes, among other things, that spam levels jumped 5 percent from April to May, and reputable domains are favorite targets of cybercriminals.

By May 26, 2009


Search-engine spam targeting popular news items

Cybercriminals are leveraging Haiti and Chile earthquakes and other recent news events to poison Internet searches, according to McAfee.

By May 18, 2010


Report: Spam and malware at all-time highs

Spam levels have jumped 80 percent since the first quarter, according to the latest report from McAfee.

By July 29, 2009