Most every IT department knows the security risks e-mail and the Internet pose, and most take considerable steps to lock down vulnerable Windows systems. Enterprise Mac administrators need to take precautions against users accidentally or purposefully introducing malware via e-mail or Internet use, too. Just because Macs aren’t subject to the same number or intensity of self-replicating viruses and worms doesn’t mean they aren’t vulnerable to security holes or privacy concerns that can place corporate data or financial information at risk.

Although viruses, spyware, Trojans, worms and other threats typically target the Windows platform, Macs still face vulnerabilities and threats. Security analysis by Secunia, reported in July in its Half Year Report 2010, reveals Apple ranks first in the number of reported vulnerabilities. Secunia notes that the majority of attacks (approximately 80 percent) result from remote sources and further