The journey started with 2G and 3G, where Voice was the leading service, and the main protocols were SS7 and SIGTRAN (Signaling Transport). At this time, the primary Firewalls are: […]
Network Signaling and Firewall Journey from 2G to 5G
SMS Home Routing Role in SS7 Security
Before discussing why we need an SMS Router, let’s understand the 1st figure when the mobile device sends SMS to another Mobile through the normal scenario without an SMS Router […]
Evolution of Signaling from 2G to 5G
?In 2G and 3G, voice and text were the main services based on SS7 signaling. In these networks service availability was the priority. The Signal Transfer Point (STP) was the […]
What is IMSI Catcher?
Before starting to talk about IMSI Catcher, we need to understand what is the IMSI, its importance, and its structure. Based on this, we will discuss the IMSI catcher. So […]
The Security Transition from 4G EPC to 5GC
If you look at how security was addressed in the 4G core (EPC), you had perimeter devices, whether it’s firewalls, security devices that protect from denial of service attacks, or […]
Why EAP Protocol is used in 5G Security?
The authentication procedure in 3GPP 5G security has been designed as a framework to support the Extensible Authentication Protocol (EAP) – a security protocol specified by the Internet Engineering Task […]
5G Security Vs. 4G Security
5G Timeline and Standardization During preparation, it was decided to split Phase 1 into two parts. In December 2017, standardization of the non-autonomous, or Non-Standalone, architecture for 5G New Radio […]
The Evolution of Security in 5G
Introduction 5G will give a diverse and new set of services and use cases affecting nearly every aspect of our lives. But to exceed all expectations, 5G-enabled services and applications […]