Thieves drain 2FA-protected bank accounts by abusing mobile networks
"The unidentified attackers exploited weaknesses in Signalling System No. 7, a telephony signaling language that more than 800 telecommunications companies around the world use to ensure their networks interoperate. SS7, as the protocol is known, makes it possible for a person in one country to send text messages to someone in another country. It also allows phone calls to go uninterrupted when the caller is traveling on a train. The same functionality can be used to eavesdrop on conversations, track geographic whereabouts, or intercept text messages." Continue reading →