Security Update 2009-006 Client
Security Update 2009-006 is recommended for all users and improves the security of Mac OS X. Previous security updates have been incorporated into this security update.
SHA 1 digest = 6ae53f1a3d8cc8c4461b287212a2eb6c5f8d667c
For explanation of what a SHA1 digest is, please visit this website: Mac OS X: How to verify a SHA-1 digest.
For information on the security content of this update, please visit this website: Apple security updates.