?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 […]
What is 5GHoul in 5G Security World?
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 […]
What is the difference between SUPI, SUCI and 5G-GUTI in 5G SA Networks?
Currently, I see some confusion regarding 5G identification and the purpose of each one, such as which network node generates them and the subscriber’s role. I summarized the 3 identifications […]
What is NTN (Non-Terrestrial Networks)?
What is NTN? NTN refers to a communication system that transmits data through non-terrestrial platforms, such as satellites, high-altitude platforms (HAPs), drones, or other aerial technologies, instead of relying on […]
What is an IMSI catcher?
The IMSI is a unique number assigned to every mobile subscriber, which is stored on the SIM card and used by mobile networks to identify and authenticate users. An IMSI […]
How Do We Increase The Wireless System Capacity?
The Answer is in “Shannon–Hartley theorem“ Shannon–Hartley theorem tells the maximum rate at which information can be transmitted over a communications channel of a specified bandwidth in the presence of […]