Mac Security Tip: Check for Software Updates Often
Many of the articles here on the Mac Security Blog inform you of security updates to software. These may be updates to Mac OS X, the operating system that runs your Mac, to other Mac programs, such as Safari, iTunes or QuickTime, or to iOS, the operating system for the iPhone, iPad and iPod touch. [...]
http://blog.intego.com/2011/04/05/mac-security-tip-check-for-software-updates-often/