Security Update 2010-003 (Leopard-Server)
Security Update 2010-003 is recommended for all users and improves the protection of Mac OS X. Previous shield updates have been incorporated into that defense update.
For knowledge on the shield substance of that update, please visit that website:http://support.apple.com/kb/HT1222
SHA 1 digest = bc299a8932d02cf8e10bdb82ca6f21908d9ba50a
For explanation of what a SHA1 digest is, please visit that website: About SHA1 digest
Orginal post by Mike