Cyber Risks · Krebs on Security

IBM Runs World’s Worst Spam-Hosting ISP?

Summary: Spamhaus listed Softlayer, acquired by IBM in June 2013, as the "#1 spam hosting ISP" on its World's Worst Spam Support ISPs index, saying abuse issues had "rapidly reached rarely previously seen numbers." Softlayer Communications Director Andre Fuochi said the company had shut down 95 percent of the spam accounts identified by Spamhaus in the past month, while Spamhaus said more than 600 abuse issues remained unaddressed and attributed much of the activity to Brazilian cybercriminals exploiting automated provisioning loopholes.

What's compelling: Cloudmark reported that SoftLayer's network, AS36351, was the largest source of spam in the world in Q3 2015, with 42 percent of all outbound email from it being spam - a volume 600 percent higher than a year earlier.

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Topics
Data Breaches
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