The blackout, which began around midday, disrupted essential infrastructure, including mobile networks, internet services, and emergency communication systems. In both Spain and Portugal, users experienced difficulties with voice calls, and […]
Widespread Power Outage hits Spain and Portugal
Global Title Lease is BANNED in UK
I wrote an article before about ” What is GT (Global Title)? Why Do We Need It?” What is Global Title Leasing? GT leasing is the practice of a mobile […]
What is Calling Line Identification (CLI) Spoofing?
Last weekend, by coincidence, I found a fraud story related to the Telecom domain called “Spoofing CLI” or “Calling Line Identification (CLI) spoofing.” which is a technique used in mobile […]
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 currently […]
The Importance of Firewall in 5G Network
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 […]
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 […]