These systems used to be considered secure. Lots of things blast data out over gprs, at one time it was a backup for home security systems for example. Since th

These systems used to be considered secure. Lots of things blast data out over gprs, at one time it was a backup for home security systems for example. Since throughput was limited and data was expensive, the actual communication was usually designed to be as quick and “frugal” as possible. There used to be lots of weird end points like BB PIN messages (which were encrypted on their own) but most of that is retired now. I imagine gprs will appear as an attack vector for … something