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Articles on Security

Why a Signalling Firewall is the start and not the end to protecting your subscribers

Imagine you receive a letter from your bank informing you that attempts have been made to hack into ...

Stephen Ornadel   |     12 May 2020

Low-life Fraudsters Flourishing in Coronavirus Era

Criminals are heartlessly exploiting the coronavirus outbreak to commit fraud, often using scam text...

Arnie Bjorklund (SecurityZones) & Raymond Dijkxhoorn (SURBL)   |     5 May 2020

Dealing with Spam, Smishing, Fraud and Hacking – a Roaming Manager’s side job?

When I first started my journey in in the world of roaming, back in 2002 at T-Mobile UK, my job real...

Stephen Ornadel   |     7 April 2020

Why you need to prepare your signaling firewall for 5G today

With 5G networks now live in 24 markets around the world, things are beginning to take off. The GSMA...

Stephen Buck   |     17 March 2020

Signaling Security Threats Cross Into the 5G Era

Today’s telecom networks are a complex mix of old and new technologies and protocols that create hid...

Stephen Ornadel   |     29 October 2019

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