They'll undoubtedly have new iterations of that, based on the same premise that they install and own the kit at each end.

I suspect Zoom just happens to be the choice this particular group has settled on. While across government people have been scrabbling to just make something work now that security's previous modus operandi is being trumped by the need to let people work from home.

Government even more than the private sector have been slow to allow for home working. I'm hopeful this will change that.