I'm not sure what it is that the phone reps are telling you, or what the test is that they had you run or they ran for you, but there is only data leak test, and it's a test that has to be run by the customer themselves. I don't know that it has any official name, but it's known as a Modem Isolation Test. It involves disabling the WiFi, noting the data numbers, disconnecting the LAN cable, waiting for a number of hours, then reconnecting the LAN cable and again noting the data numbers. There's a specific process to follow, but that's the basic idea. This test ONLY shows if you're leaking data when nothing is connected, though, not if anything that is connected is using a high amount of data, or just data that you aren't aware of, which, unlike IJD's claim, is actually a very common thing. One of the drawbacks to having a data capped service, even if it's soft capped, is that we have to be very diligent in making sure all of our devices use no more data than is necessary, including trying to disable anything that can automatically use data without us being aware of it. There are a lot of devices and the programs/apps that they use that can do that.
With all of this said, I'm glad you've found this community, as it's the best place to get help, in my opinion. There are many here that have a lot of helpful knowledge, and the reps in this community are corporate based reps who know their stuff. You will definitely be able to get help here.
Under normal circumstances I would ask a few questions to try to get your connected devices locked down, data wise, then give instructions for running the Modem Isolation Test, if it's needed, but because you have already spoken to some phone reps it's probably best for one of the community reps to help you. They're on Monday through Friday from approximately 8:00AM to 5:00PM EST. It can take them a little time to answer, but they will.
You've come to the right place. :)
