Many types of firewalls are often categorized by system protection, form factor, network placement, and data filtering method. Regarding 5G, Firewalls protect different network layers — especially in the Service-Based […]
The Importance of Firewall in 5G Network
2G and 3G Sunset is Not An Easy step for MNO
Sunsetting 2G and 3G networks is not an easy step for mobile network operators (MNOs) due to several technical, financial, and social factors. The decision isn’t just about technology—it’s about […]
Common SS7 Attacks through Data Leakage
? The SS7 network was once considered an environment that controls users’ access to network-based content and services, allowing licensed mobile operators to access customer data. However, many unlicensed entities […]
Evolution of Network Core Signaling protocols
?Previous generations relied on the SS7 and Diameter protocols. The 5G network core is built on well-known Internet protocols such as HTTP and TLS. ? Security threats associated with 3G […]
What is 5GHoul in 5G Security World?
?5Ghoul is the name given to a set of 14 newly discovered vulnerabilities in Qualcomm and MediaTek 5G modems, disclosed in December 2023 by researchers from the Singapore University of […]
Some Interesting Statistics about 2G
? The first 2G mobile network in the world was launched in Finland in 1991, marking the first digital mobile network and replacing analogue 1G systems. ? The Nokia 1100, […]
Does the 5G icon on the phone indicate that it is using 5G while it’s 4G?
The Question is Actual 5G or Icon-only 5G! Recently, a new mobile app called SignalTracker showed that nearly 40% of 5G connections are actually 4G, as per PolicyTracker. Actual 5G […]
Network Signaling and Firewall Journey from 2G to 5G
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: […]
What is the importance of SS7 Firewall?
SS7 was never designed with security in mind, so it has always been open to internal and external threats. S7 Firewall is a smart, rules-based system that can monitor, create […]
5G SA (Standalone) Status in 2025
When I started my 5G Journey in 2017, I first explored the 5G network versions: 5G NSA (Non-Standalone) and 5G SA (Standalone). Most MNOs envision starting with 5G NSA and […]
VoWiFi vs Cellular: Which is better?
Voice calls remain one of the most vital means of communication in both personal and professional spheres. They provide instant and direct interaction, allowing for clear and immediate conversations. Unlike […]