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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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Image of office building and mobile phone from the BT mobile multiplier security infographic

Discover how security uncertainty can stall your mobile working.

Despite the popularity of mobile working, employees and IT departments still struggle with data security, and that can have serious consequences for business.

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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…]