![]() ![]() It begins with SIM jacking a complex SIM card attack. If you're listening, fine folks at the NSA, tickets are still available. Before that, it is essential to know how hackers hack your phone and SIM card. Nohl plans to spill the beans at the upcoming Black Hat meeting. The GSM Association has been given some details of the exploit, which have been forwarded to carriers and SIM manufacturers that use DES. There's no firm figure on how many SIMs are at risk, but Nohl estimates the number at up to 750 million. Cards with the newer Triple DES aren't affected also, the other three quarters of SIMs with DES Nohl probed recognized his initial message as a fraud. With that knowledge, another text can be sent that opens it up so one can listen in on calls, send messages, make mobile purchases and steal all manner of data.Īpparently, this can all be done "in about two minutes, using a simple personal computer," but only affects SIMs running the older data encryption standard (DES). ![]() By cloaking an SMS so it appears to have come from a carrier, Nohl said that in around a quarter of cases, he receives an error message back containing the necessary info to work out the SIM's digital key. Evidently not, as Karsten Nohl of Security Research Labs - who found a hole in GSM call encryption several years ago - has uncovered a flaw that allows some SIM cards to be hacked with only a couple of text messages. They can be conveniently controlled from a control panel. Spy apps are super easy to install and do the hacking work for you. ![]() Every GSM phone needs a SIM card, and you'd think such a ubiquitous standard would be immune to any hijack attempts. The most accessible, affordable way to hack a phone is by using a phone spy app, as we explained in Part 1. ![]()
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