I don’t remember him ever directly apologising, although he was nice to me afterwards (and this was many years ago, memories get hazy). I think he was rather embarrassed by the whole incident, it turned out to be such a basic configuration issue and it took them so long to solve it. I only knew about the whole “sneaking in at night” allegation because my boss told me what he’d said at meetings to which I wasn’t invited, and I don’t think my boss was supposed to tell me what was said in those meetings, so I’m not even sure if he knew that I knew he’d accused me