In Windows there is no built-in way of updating programs, drivers, codecs & other packages. Their update process is only about updates to the OS itself (and notice they are almost always called "security updates" although it is often about MS's security not the users or the machine's security).
Updates to Apple's Safari browser address a trio of security issues, one specific to Windows, as well as delivering compatibility improvements. The iWeb web page creation program has also been updated.
Apple is facing a problem. A large proportion of users believe that Mac is invulnerable to malware and that security software is unnecessary, despite Apple making it clear that it supports neither view.
A new security report published by Cisco has found that 99% of all mobile malware attacks are targeted at Android devices. On top of that, the report says Android suffered 91% of all Java-based web exploits and 71% of all overall web-based exploits. Ouch.