Yes, I was that day. And I had probably been there since 6:00 am the previous day. Pulling multiple all-nighters on various "super important" projects was typical for me and others. In retrospect, my advice is not to do such things, but it seemed like a good idea at the time.
The email and all the security events happened right after the second plane hit, which seemed like it was closer to normal start of day hours.
The email and all the security events happened right after the second plane hit, which seemed like it was closer to normal start of day hours.