Agreed 1000%............my son served overseas and his computer was on his desk.....pretty hard to hide.....LOL....and there was NO WAY this computer was connected to the outside world. MILITARY USE ONLY.
And the fact that he told you any of that was in itself
a security violation.
The sign over the exit door:
"What you do here, what you see here,
leave it here, when you leave here,"
should still apply.