[$] Revenge of the modems

Back in the halcyon days of the previous century, those with a technicalinclination often became overly acquainted with modems-not just the strange sounds theymade when connecting, but the ATcommands that were used to control them. While the AT command set isstill in use (notably for GSM networks), it is generallyhidden these days. But some security researchers have found that Android phonesoften make AT commands available via their USB ports, which is somethingthat can potentially be exploited by rogue USB devices of various sorts.