“Apple has made its Gatekeeper security tool available for customers running the Lion version of its operating system, having previously been one of the main selling points of its Mountain Lion upgrade,” Gareth Morgan reports for V3.

“The security boost comes as the firm also updated its Mountain Lion OS, bringing power nap capabilities to some older models of its MacBook Air and improving Facebook and Game Center integration,” Morgan reports. “The extension of Gatekeeper to Lion users will help keep more Macs safe from the threat of malware, giving users more control over which apps are installed, Apple said.”

Morgan reports, “Apple had originally identified Gatekeeper as a key selling point of its Mountain Lion upgrade. It enables users to set controls over which applications can be installed, potentially limiting installs to ones verified by Apple.”

Read more in the full article here.

MacDailyNews Note: OS X Lion Update 10.7.5 with Gatekeeper is available via Software Update or as a standalone installer. More info and download link here.

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Apple: Mac App Store apps must implement sandboxing by March – November 4, 2011
OS X Mountain Lion’s Gatekeeper slams the door on Mac trojans – February 16, 2012