Alternatives to standard passwords

• SecureID/Skey

• One Time Passwords (OTP)

• Biometrics (fingerprints, face analysis, retina scans...)

• Proximity radio badges with 1024bit public/private key which autolock and unlock machines and rooms you have access to

• (who never forgets to lock their machine when they walk away for "just one second")

• Armed guards with dogs in front of the server room locked in a vault and with no network connection