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All authentication vectors are not made equal

Abstract:In mobile networks, 3G and 4G authentication vectors are completely separate and should not be convertible to each other. P1 Security however discovered that some MNOs distribute over roaming interconnects, for certain subscribers, 3G...
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Open5GS at P1 Security

In the course of developing new tools for scanning, fuzzing and monitoring 5G signaling interfaces, P1 Security has been more and more using Open5GS internally. This open-source project, mostly developed by its creator Sukchan Lee (also known as...
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New open-source MCC_MNC library

P1 Security is working with mobile operators worldwide, and therefore requires a good knowledge of identifiers used in mobile networks. The P1 Lab has worked carefully to identify all public information related to this topic, and is...

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