security updates

See the following -

Mavericks: The End Of Macs In The Enterprise?

Steven J. Vaughan-Nichols | ZDNet | October 24, 2013

Macs have never been that popular in business. But if Apple is indeed no longer supporting security updates for older Mac OS X versions, Macs won't have any place left in the enterprise office. Read More »

OS X Mountain Lion Users: No More Security Updates?

Larry Seltzer | ZDNet | October 23, 2013

Have you not yet updated to OS X Mavericks? You better get on the ball because it appears, counter to prior practice, Apple won't be providing security updates to earlier versions anymore. Read More »