A description for extra, inconvenient, and invasive measures that are supposed to add protection but in reality only offer the illusion of extra protection while providing no real added safety.
I was gate raped by a sleeper cell of the TSA when I went through the security theater at the airport.
"Security theater" is a term that describes security countermeasures intended to provide the feeling of improved security while doing little or nothing to actually improve security.
Enhanced pat downs are pure security theater. It won't detect detect a bomb jammed up someone's ass.