Blog Archives - Cellusys

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

Posted Sunday, December 31st, 2017 by Rachael Earl

2017 was a moment of truth for telecoms security. Highly organised criminal networks are resolutely here, and they’re going nowhere. In subscribers’ newsfeeds through 2017: Bank Accounts Drained Thru Exploitation of Weaknesses in SS7 Protocol; Mass Hack of Cell Phones […]


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

Posted Monday, November 20th, 2017 by Rachael Earl

Jason Bryan chats to Alan Murphy, CTO at CellusysIoT. Jason is at ROCCO – the independent researchers who recently rated Cellusys for the 2nd year as a Tier One SMS Firewall vendor. Alan tells us about how he started in […]


Why mobile networks need a culture of innovation to combat fraud

Posted Wednesday, June 21st, 2017 by Daniel McTague

Hackers have emptied the bank accounts of a number of O2-Telefonica customers, reported Süddeutsche Zeitung last month. A security hole in the network protocol used by mobile networks around the world was key to these attacks. It’s the latest case […]


Malicious data interception attacks via SS7 – that we Precision Block

Posted Tuesday, May 23rd, 2017 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 news of another SS7 attack doing the rounds. This one is newsworthy because an attack of this nature hadn’t been […]


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

Posted Friday, September 23rd, 2016 by Brendan Cleary

Juniper Research – Juniper’s latest research debates the anticipated scale of revenue leakage for operators from A2P (Application to Person) traffic. It provides a comprehensive analysis of the A2P messaging ecosystem, assessing the opportunities across primary use cases and key […]