[imwillofficial]

The idea of drilling an armed invasion to test security protocols of IT systems and access is absolutely insane.

I’ve worked in the highest levels of NatSec and have never even heard of this.

Either the story is exaggerated, or it’s in a country where shenanigans like this are allowed.

[TeMPOraL]

I can see the engineering appeal in this idea: testing beyond the expected operational envelope will tell you which parts of the process break first.

As for applicability, every now and then you hear a disturbing story of some office being raided by the police / anti-corruption force - this is not unrealistic if you're e.g. a news agency in a country whose government doesn't always respect the freedom of press.

[imwillofficial]

But having actual armed with (fake or not guns for a drill?)

Nah, too much could go wrong, security guard shoots them, somebody gets brave and jumps one of the “terrorists”, etc…