There is a riser closet in my office with various internet service providers wiring in it feeding the entire building. If I were to enter this riser closet and

There is a riser closet in my office with various internet service providers wiring in it feeding the entire building. If I were to enter this riser closet and plug into my laptop into one of these lines, I would be charged with theft of service and deservedly be sent to jail. It doesn't matter if the door is locked or not. It doesn't matter what kind of security they put in place or not. It doesn't matter if I only sent a few bytes of data on their network and didn't harm anyone elses' service. It is still theft of service.