There’s an old joke that a job in security is a safe place to be grumpy. From what Ray Pompon, Principal Threat Researcher Evangelist at F5 Labs, has seen over his career, that is often true. Security people seem to cherish their reputation for being pessimistic and untrusting.
Some take it further and cast their disdain upon the users, who obviously need to be protected from themselves. While Ray Pompon hopes that the majority of security people is more professional than this, he believes they still make it tough for their non-security comrades.
Read about three big things security says that annoys people according to Ray Pompon on Help Net Security.