Physical Security Measures

I'd like to see this for security in general e.g doormen/security/bouncers

You're doing it again!> I can very easily imagine what could have happened in those buildings if a badge was required to leave a conference room.The facilities team and fire marshal are also easily capable of imagining this, already have, and you can ask them about it.In this case the doors would fail open, or are made of glass and can be broken down. It's not a /really/ secure location. It's just a tech company that likes to seem secure during work hours. Af

Those people would usually have security staff though to prevent that kind of thing.

If you are in a secure area, like a server room for example, it's perfectly normal for there to be badged entry, cameras everywhere etc. There will also be signs everywhere telling you this.If it's really secure there will be monitoring of all entrances, including corridors. (And there will still occasionally be people successfully tailgating, usually for perfectly innocent reasons like forgetting their badges at their desks etc. Real security is all sorts of fun.)

that matches my experience of an unnamed large multinational datacentre companyto get to the floor needed to go through the multilayer security, id checks, etcthe cleaner had left their mop in one of the secure doors, bypassing most of it

If there were security guards sure. That's not exactly a given.

I don't think anyone can enter the premise without swiping their badge.

There's security at the gates- much before the elevators.

there are areas (eg. meetings in cafes) where you don't have to swipe through a security door to get in. these are policed by physical security.

Do you think they ran security outside the door?