Furthermore, over 72% of firms believe that employees’ behavior on social networking sites could endanger their business’s security. This has increased from 66% in the previous study. The number of businesses that were targets for spam, phishing and malware via social networking sites increased dramatically, with spam showing the sharpest rise from 33.4% in April to 57% in December. This highlights a surge in exploitation of such sites by spammers2.
http://www.sophos.com/sophos/docs/eng/papers/sophos-security-threat-report-jan-2010-wpna.pdf |