After academic research revealed in the Summer 2021, that the initial GPRS encryption algorithm GEA-1 had almost certainly been intentionally weakened, and indicating potential flaws in GEA-2 too, P1 Security decided... Read More →
P1 Security has developed in the two last years a set of tools and libraries to help with testing, and pentesting, 5G Core Networks. A dedicated commercial Signaling Scanner is also available since June 2021 for that purpose: the
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... Read More →
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...
Read More →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 publishing a new
The 3GPP has defined a nice subscriber’s identity protection scheme for 5G networks. This is a way for 5G handsets and terminals (or UE, in the 3GPP terminology) to encrypt the subscriber’s identity before sending it over-the-air. In this way, 5G radio sniffers, 5G...
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