From his other comments, three possibilities:

> I run a service with approx. 900k daily users

> I work for one of those staffing companies

> my purely anecdotal experiences of attending/organizing a few 500-person-plus hackstons

That was before. Imho that was just wholesale hacking, not specifically targetted at me - but at the "type of person" I was.

I then was a nobody working for a very large US company as an it architect. Stayed at an expensive hotel in Moscow, one of those few that visiting business used to frequent. That was it.