http://www.zdnet.com/blog/bott/why-malware-for-macs-is-on-its-way/3243?tag=mantle_skin;contentIt’s not that Mac OS X is inherently more secure against viruses than current versions of Windows (although it was clearly more secure than Windows prior to XP SP2); the numerous vulnerabilities reported and patched in recent years are just as exploitable as their Windows equivalents. But most security experts agree that malicious software these days is driven by financial incentives, and it’s far more profitable to target the dominant platform. <…> At some point, assuming Apple continues to make appealing products, we Mac users will become bigger targets and face a higher level of risk.
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In Apple’s security bulletin for the April 22, 2011 release of OS X 10.6.7, I counted 23 separate fixes for vulnerabilities that allow “arbitrary code execution” in the current shipping version of OS X. At least three of those vulnerabilities are new in Snow Leopard and did not exist in previous versions of OS X.
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This isn’t just a theoretical issue, either. At this year’s Pwn2Own contest, the first successful attack was against a MacBook running a fully patched copy of OS X:
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If you think Macs are immune from drive-by attacks or social engineering, you need to think different. A sufficiently motivated attacker who is aware of an unpatched vulnerability can take over any system, including a Mac.
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The time to start investing in antivirus for macs is here. As they grab market share the target on them gets larger and there will be more and more exploits of mac OS. Dont let the false idea that macs are immune to viruses leave you vulnerable.