Security Update 2010-001 Server (Leopard)
Security Update 2010-001 is recommended for all users and improves the security of Mac OS X.
SHA 1 digest = b3356c982134e02947047e995dac0adf5d7f20bd
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.