Informations about SSL certificates and networks security
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SIM hijacking — or SIM swapping — is an attack where a fraudster contacts your cell phone provider and convinces them to switch your account to a phone that they control. Since your smartphone often serves as a security measure or backup verification system, this allows the fraudster to take over other accounts of yours. … Read More “SIM Hijacking” »
This article outlines two different types of international phone fraud. The first can happen when you call an expensive country like Cuba: My phone call never actually made it to Cuba. The fraudsters make money because the last carrier simply pretends that it connected to Cuba when it actually connected me to the audiobook recording. … Read More “International Phone Fraud Tactics” »
The Intercept has an extraordinary story: the NSA and/or GCHQ hacked into the Dutch SIM card manufacturer Gemalto, stealing the encryption keys for billions of cell phones. People are still trying to figure out exactly what this means, but it seems to mean that the intelligence agencies have access to both voice and data from … Read More “NSA/GCHQ Hacks SIM Card Database and Steals Billions of Keys” »