Mobile carriers

3 articles

Total surveillance: hacking GSM networks over the air

Ways that hackers can access a user’s calls.

What are virtual SIM cards and what do they do?

Apple SIM, Google Project Fi and, for example, GigSky are all virtual SIM cards. OK, what’s so virtual about them?

Attack of the clones

SIM cards can be cloned. How is it possible and what does it have to do with cybercriminals?

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