The intrusion detection system (IDS) jumped from research labs and universities into being a standard information security safeguard in just several years.
While some people consider hacking a 'black art,' it surely has some scientific component to it due to the required knowledge of computers, operating systems and application software.
Imagine you work for one of those companies where information security is taken seriously, senior management support is for granted, the appropriate IT defenses are deployed and users are educated on the security policy.