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Introduction to Diameter Security

December 7, 2018 4:39 pm Published by Chuck Wesley-James

In this blog we are going to take a look at security problems in the Diameter network used by carriers... View Article

The Innovators 2018

November 29, 2018 4:31 pm Published by Brendan Cleary

Leadership – Creativity – Engagement Cellusys make it to the Leaders in Innovation for the second year running in... View Article

Messaging & SMS World 2018

November 20, 2018 4:42 pm Published by Bonnie Kimmel

Messaging & SMS World 2018 the forum to discuss new technologies and current development plans SMS using AI, IoT and, chatbots... View Article

Introduction to Diameter Signalling Controllers

September 10, 2018 12:06 pm Published by Chuck Wesley-James

Update – April 2025: Cellusys is now the official provider of engineering, professional services, and advanced support for Ribbon’s DSC... View Article

Steering of Roaming SS7 and Diameter Comments, Untruths / Truths and Myths

August 27, 2018 8:58 am Published by Daniel McTague

In multiple conversations on the topic of Steering of Roaming (SoR) both in legacy SS7 networks and LTE Diameter based networks... View Article

5G Goals and Value Propositions

April 12, 2018 2:48 pm Published by Chuck Wesley-James

This presentation looks at the goals and value proposition behind 5G technology.To set the scene, let’s look at where we’ve... View Article

Telecoms Security, 2017 – a moment of truth. And 2018…

December 31, 2017 11:40 am Published by Rachael Earl

2017 was a moment of truth for telecoms security. Highly organised criminal networks are resolutely here, and they’re going nowhere.... View Article

Interview with Alan Murphy, CTO at CellusysIoT: Security, Privacy, and Safety in IoT

November 20, 2017 10:27 am Published by Rachael Earl

Jason Bryan chats to Alan Murphy, CTO at CellusysIoT. Jason is at ROCCO – the independent researchers who recently rated... View Article

5 Frauds on the Rise – Network Operators are Fortifying Against These (re GSMA IR.70 and IR.71)

October 15, 2017 12:12 pm Published by Daniel McTague

In early May, hackers exploited an SS7 vulnerability and emptied the bank accounts of O2-Telefonica customers. The buzz on that... View Article

Why mobile networks need a culture of innovation to combat fraud

June 21, 2017 8:00 am Published by Daniel McTague

Hackers have emptied the bank accounts of a number of O2-Telefonica customers, reported Süddeutsche Zeitung last month. A security hole... View Article

Malicious data interception attacks via SS7 – that we Precision Block

May 23, 2017 11:47 am Published by Rachael Earl

Earlier this month hackers emptied the bank accounts of O2-Telefonica customers. The buzz on that hasn’t yet died and there’s... View Article

Operators Face $62bn Revenue Leakage From “Grey Route” A2P Traffic

September 23, 2016 4:54 pm Published by Brendan Cleary

Juniper Research – Juniper’s latest research debates the anticipated scale of revenue leakage for operators from A2P (Application to Person)... View Article

Fair Usage Policy for Roaming introduced by European Commission

September 20, 2016 12:49 pm Published by Rachael Earl

European Commission – For a decade now the Commission has been working to reduce roaming surcharges by telecoms operators, and... View Article

LTE and SS7 – today’s statistics – do they indicate longevity for SS7 networks?

June 30, 2016 3:18 pm Published by Rick Carter

A snapshot of today’s telecoms stats can make for some pretty valuable insights. Let’s dig into the data, via some... View Article

What is the difference between P2P SMS and A2P SMS?

June 20, 2016 4:41 pm Published by Bonnie Kimmel

When an SMS message exchanges between two mobile subscribers (two SIM cards) we call it P2P SMS (Person-to-Person SMS) and... View Article

SS7 Vulnerabilities – Mobile Network Security in the mainstream News

May 12, 2016 5:51 pm Published by Bonnie Kimmel

“I bumped into you in the hallway – I don’t know if you noticed that…? In that time, I pushed a... View Article

Major security flaw in SS7 – how SMS Home Routing can plug the gap

April 25, 2016 6:49 am Published by Tony Murphy

With the current buzz regarding SS7 network vulnerabilities and the exploitation of standard SMS methodologies to obtain confidential subscriber information... View Article