It is highly recommended that every network operator protects their security by having a signaling firewall, but some still suffer from lots of gaps in their defences. We discuss the reasons why comms providers fail to get comprehensive protection from their signaling firewalls with network security blogger Josué Martins, currently of Accenture and previously with Unitel and Samsung.

Topical news items are also debated by the show’s three regular presenters, industry analyst Ed Finegold, senior risk executive Lee Scargall, and the Editor of Commsrisk, Eric Priezkalns.