Stopping the underestimating is good. Especially since playing dumb and turning a blind eye around here can get you killed quick and in a hurry.
As for the security system... before you do anything else to it, check in with Gabriel. You two might be able to work together or something, but I want him involved in a major capacity. He knows the thing better than just about anyone and, no offense to you or anything, but I know him better.