Apple Inc has issued fixes for a security flaw in its Macintosh computers that allows hackers to intercept data such as email, patching a major and embarrassing glitch that came to light several days ago. The security update for users of Apples OS X computer operating software follows a fix issued for iPhones last week, meaning all Apple device users now have access to the patch. The flaw allowed attackers with access to a mobile users network, such as a shared unsecured wireless service offered by a cafe, to see or alter exchanges between the user and protected sites such as Google Incs Gmail or Facebook. On Tuesday, Apple said in a statement that the Mac security update also improved features such as its FaceTime videoconferencing service and email.