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An inside job: how DNS firewalls protect your network.

By Tim Rooney, Director of Product Management, Diamond IP, BT.

Internet firewalls work as a perimeter fence to keep your network safe. But a Domain Name System (DNS) firewall goes one step further — combating internal threats, too.

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Ask a question, get an answer. How insecure can that be? Part three.

By Tim Rooney, Diamond IP Product Management Director, BT.

In the last of his series on security and DNS, Tim Rooney takes a look at the tools you need to stay truly secure.

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Ask a question, get an answer. How insecure can that be? Part two.

By Tim Rooney, Diamond IP Product Management Director, BT.

The vulnerabilities on legitimate queries, and how various strategies can mitigate them. [Read more…]

tim-rooney-guest-blogger

Ask a question, get an answer. How insecure can that be? Part one.

By Tim Rooney, Diamond IP Product Management Director, BT.

In the first of three blogs on security, Tim Rooney lays out the facts about DNS and why it could be a weakness in your cyber defences. [Read more…]

Ambulance

Combating congestion with comprehensive communications

The Big Smoke. Town. LDN. Whatever you call it, London is one of the busiest cities in Europe. There are around 7,500 buses, over 22,000 taxis and more than 2.5 million cars all jostling in the city’s roads every single day. So, if you’re an emergency service covering 620 square miles and operating 24/7, how can you make sure that the service you offer is constantly available?

Well, that’s exactly the challenge faced by the London Ambulance Service (LAS). Offering a dependable service in the hustle and bustle of daily life is hard enough, let alone in the face of major events; Royal Weddings, sporting events, even riots and terrorism threats. They needed their voice and data networks to be able to handle the increasing demand on their services, without incurring large costs and maintaining business continuity throughout the rollout of any new service. [Read more…]