What happened when the SMS verification code was hijacked by GSM?
A few days ago, criminals used GSM protocol loopholes to intercept SMS verification codes, thereby stealing financial accounts and being exposed by the media. In this regard, the banking system suggested using Wi-Fi in a familiar environment and protecting personal ID cards, etc. Information.
2022-11-03
The higher probability of the current fraud case is to obtain the SMS verification code by breaking the account that supports SMS cloud synchronization, which is much easier than intercepting the air channel near the user in the middle of the night. Jamming devices, also known as gsm jammer, have been installed in places where mobile phones are feared to be invaded.
GSM belongs to the second generation of mobile communication technology, but the third and fourth generation of mobile communication technology, namely 3G and 4G technology, can resist attacks. Phones that don't specify which communication network they're using are often vulnerable.
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