The international mobile communications system is built on top of several layers of technology, parts of which are more than 40 years old. Some of these old technologies are insecure, others have never had a proper audit and many simply haven’t received the attention needed to secure them properly. The protocols that form the underpinnings of the mobile system weren’t built with security in mind.
Security flaws threaten our privacy and bank accounts. So why aren’t we fixing them?
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