Oh you would be very surprised/disgusted how easy it would be, especially if you are in a position of trust. Things are better than they used to be granted, but there is a long way still to go with classified information/equipment security.
All Secret classified information must be logged with information of who/when/what. Regular checks must be made, weekly/daily, sometimes even multiple times a day. That also applies to stuff that is secured.
However what you do with that information when it is in your possession is down to trust and severe ramifications if you lose/mishandle that data/equipment.