A malicious person gained access to a datacenter by ripping the proximity badge reader off the wall near the
datacenter entrance. This caused the electronic locks on the datacenter door to release because the:
badge reader was improperly installed.
system was designed to fail open for life-safety.
system was installed in a fail closed configuration.
system used magnetic locks and the locks became demagnetized.
It describes a design the lock to fail open for life safety, causing the door to stay open when power is lost – in
this case the proximity badge reader was ripped off the wall.