Security Koan #1
A user and a security engineer arrived at the business site together.
The user placed his bicycle against the wall, and walked
towards the door.
The security engineer stopped him and said "You forgot to
lock your bicycle."
The user thanked the security engineer, and went back to lock
his bicycle.
On the way, he noticed the security engineer's bicycle was leaning
against the wall, unlocked.
"You forgot to lock your bicycle," the user called to the
security engineer.
The security engineer responded "No, I didn't."