[iMore.com]

Gatekeeper is OS X's security against malware and adware, but it isn't foolproof. A new warning shows how it can be exploited.
Since OS X 10.7.5 Lion Apple has had a security feature called Gatekeeper. Gatekeeper tries to keep the Mac safe from malware and adware. It isn't foolproof, though. A new report shows how one adware installer manages to make it through OS X's defenses. Read on for details.

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