The majority of spam servers are physically located in Taiwan, according to CipherTrust.
A prominent crusader against unsolicited e-mail ads withdrew from an escalating cyberwar with spammers on Wednesday after his Web site and numerous others came under a massive retaliatory attack.
A cyberattack that shut down Blue Security also felled thousands of blogs when the antispam site deflected the malicious hits, analysts said.
They may have signed up for the service to stay free of unsolicited e-mail, but people in Blue Security's "Do Not Intrude Registry" are getting spammed, the company said on Wednesday.
Seven Network has increased visibility of instant messaging (IM) and closed potential IM-related security holes after a corporate directive forced the IT team to develop a more disciplined approach to managing the largely unregulated technology.
Spammers and online fraudsters are exploiting Web site features to learn more about their victims and better hone their attacks.
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