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Showing posts with label GSM. Show all posts
Showing posts with label GSM. Show all posts
Tuesday, January 20, 2026

Telecom Security Realities from 2025 and Lessons for 2026

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Telecom security rarely stands still. Each year brings new technologies, new attack paths, and new operational realities. Yet 2025 was not d...
Friday, August 8, 2025

Is 6G Our Last Chance to Make Antennas Great Again?

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At the CW TEC 2025 conference hosted by Cambridge Wireless, veteran wireless engineer Moray Rumney delivered a presentation that challenge...
Tuesday, September 24, 2024

Detection of Real-world Fake Base Station (FBS) Attacks in Thailand

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It's been a while since we created our security tutorial , back in 2018. One of the items we discussed in there were the fake cell tower...
Friday, June 7, 2024

Attack Surfaces for Different Generations of Mobile Technologies

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At DEF CON 31 last year, Tracy Mosley, Vulnerability Researcher at Trenchant presented a talk titled "Nothin’ but a G Thang - The Evol...
Friday, October 13, 2023

The Digital Railway supported by FRMCS

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As discussed in our earlier post, the long-standing 2G cellular standard for rail communication, known as the Global System for Mobile Comm...
Monday, June 6, 2022

2G/3G Shutdown may Cost Lives as 4G/5G Voice Roaming is a Mess

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You have probably heard me a complaining about the pace of VoLTE rollout, 2G/3G shutdowns, 4G Voice roaming, etc. This post highlights all t...
Monday, May 9, 2022

Transitioning from eCall to NG-eCall and the Legacy Problem

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eCall (an abbreviation of "emergency call") is an initiative by the European Union , intended to bring rapid assistance to motoris...
Monday, March 7, 2022

GSMA Releases Mobile Economy Report 2022

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The GSMA Mobile Economy report series provides the latest insights on the state of the mobile industry worldwide. Produced by GSMA's in...
Tuesday, September 7, 2021

Future Railway Mobile Communication System (FRMCS)

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I have been meaning to write on this topic for a very long time. The discussion started back in 2016 when the limitations of GSM-R were obvi...
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Wednesday, June 30, 2021

Open RAN Terminology and Players

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When we made our little Open RAN explainer , couple of years back, we never imagined this day when so many people in the industry will be ta...
Wednesday, May 15, 2019

When will 2G & 3G be switched off now that 5G is here?

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I wrote this blog post '2G / 3G Switch Off: A Tale of Two Worlds' back in Oct 2017. Since then I have continued to see the same ...
Tuesday, December 4, 2018

Can KaiOS accelerate the transition from 2G / 3G to 4G?

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The  GSMA Mobile Economy 2018  report forecasts that 2G will still be around in 2025 and the dominant technology will be 3G in Africa....