Network Security: Don't Forget Physical Access Control

Locking Down Physical Access Is Key (or Badge) to Security (IT Business Edge)

So much of IT’s focus on security is devoted to encrypting data and locking down the perimeter that it’s easy to forget that if somebody can just walk into your server room, they can do enough damage to your network to make the Sasser outbreak look like a forgotten password help desk ticket.

Good piece with links to other articles and resources.