16.09.2015, 18:17
He probably scripted for you before and you absentmindedly trusted him with all the scripting work. Review your script, he probably added a few lines of code that gives him access to do such actions but if you can't find anything in server_log.txt then it's probably just a few lines of code that actually deletes the accounts after some time.
It's better off if you review your code fully and migrate to a new server. (At least that's what I would have done)
It's better off if you review your code fully and migrate to a new server. (At least that's what I would have done)