Apple OS X NTP Security Update Yosemite Specifications
Addresses a security issue with the Network Time Protocol service.
This update addresses a critical security issue with the software that provides the Network Time Protocol service on OS X, and is recommended for all users.
This update improves reliability when connecting devices to the Apple Thunderbolt Display, and addresses a rare issue that may cause the display to go black.
Update your Mac OS X 10.10.2 system.
For Mountain Lion, Mac OS X 10.9
Get a complete X Window System for X11 apps.
Update for Mountain Lion 10.8.2.
Fix an issue that may prevent certain Apple software from installing under Snow Leopard.