Apple iMac (Mid 2006) - Manual (Page 57)

Chapter 3 Using Your iMac 57
Securing Your iMac
Use a locking cable and the built-in security slot to secure your iMac.
You can purchase a locking cable from an Apple Authorized Reseller, an Apple Store
retail location, or the online Apple Store at www.apple.com/store.
For more information about the software security features of your iMac, including user
passwords and file encryption, see Mac Help. Choose Help > Mac Help and search for
“security” or “multiple users.”
Security slot