セキュリティシアターという言葉があるらしい
「やった感」だけが残される実効性の無いセキュリティ対策を指すらしい

> Security theater is the practice of taking security measures that are intended to provide the feeling of improved security while doing little or nothing to achieve it.

[Security theater - Wikipedia]( https://en.wikipedia.org/wiki/Security_theater )