Imagine being able to download every HD video on Netflix in just one second… Now, with Japan, we can say yes. Japan’s National Institute of Information and Communications Technology (NICT) achieved […]
So Fast, It’s Unreal: Japan’s Internet Can Download All of Netflix in One Second
Android 16 will include alerts for fake cell towers and suspicious networks
The upcoming Android 16 release introduces a critical new security feature: Network Notification Warnings This enhancement is designed to alert users in real time when their mobile devices are exposed […]
O2 UK Fixed VoLTE Flaw that Exposed User Mobile Location Data UPDATE
Vulnerability Details: CVE-2024-53026. It is a vulnerability affecting O2 UK’s VoLTE/IMS service, disclosed in mid-May 2025. Rated Low, with a CVSS v3 score of 3.5. It has a limited impact on confidentiality […]
What is Network Slicing? Is it Real?
Network Slicing is essentially the ability to divide your network into individual use cases, each tailored to provide specialised services. Traditionally, in 4G, the APN (Access Point Name) was probably […]
6G Role in Solving 5G Multiple Architecture Issue
For the introduction of 5G, 3GPP has specified five possible configurations, or ‘options’, for connecting to an EPC or a new 5G core network (six if the current 4G system […]
Why Synchronization is Critical in 5G Networks
Synchronization in 5G ensures precise timing and coordination across the network, enabling key technologies like TDD, beamforming, and ultra-low latency. 5G TDD networks utilise the same frequency for both uplink […]
Transparent 5G NTN NG-RAN Architecture
The 5G Non-Terrestrial Network (NTN) integrates satellite and airborne platforms with terrestrial 5G networks to provide ubiquitous coverage. The Next-Generation Radio Access Network (NG-RAN) architecture in 5G NTN can be designed to […]
Interworking Security Between 5G and EPC
Interworking security between 5G and EPC involves managing security contexts during mobility between the two systems. This ensures that the UE can maintain secure connections regardless of the access […]
VoLTE Roaming Global Coverage (2025)
As of April 2025, the global landscape of Voice over LTE (VoLTE) roaming agreements has expanded significantly, reflecting the industry’s shift towards all-IP voice services and decommissioning legacy 2G/3G networks. […]
Widespread Power Outage hits Spain and Portugal
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 […]
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 […]
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 […]