4D's CTO, David Barker, gives his ultimate guide to firewalls, covering the cyber threat landscape, how a firewall protects you and an overview of the Dimensions system for managed firewalls.

For the security of your network to keep your business running smoothly, you'll need to ensure you have the correct firewall setup for your needs.​ 4D's CTO, David Barker, gives his summary on the types of firewalls you can use.

UK-based business leaders were brought together for the Business Continuity Breakfast Briefing, co-hosted by 4D and M9. Among the speakers was cyber security expert, David Cox.

Over four in ten UK businesses suffered a breach or attack during 2018-19 - it’s this evidence, along with stricter data protection laws...

Future of DDOS

A DDoS (Distributed Denial of Service) attack is an attempt at rendering a server unreachable to its visitors. DNS amplification attacks are one such threat, and are cheap to launch and very effective...

DDOS Mitigation Webinar

Earlier this year, 4D’s CTO, David Barker, gave this exclusive webinar on what to know, as the threat of DDoS attacks becomes all the more imminent for UK businesses.

How to Protect your Data from Hackers

Speaking at the Gatwick Diamond Educational Seminar, 4D’s Managing Director, Jack Bedell-Pearce, explains how to protect your data from hackers.

What is a Firewall?

4D’s Founder and Technical Director, David Barker, explains in this guide accompanied by the latest instalment of our Cyber video series, ‘”How does a firewall work and what to know before your next attack.”

Quantum Cryptography

Cryptography fundamentally underpins the modern internet, but developments in quantum computers over the next ten years could critically threaten the security it brings.

DDOS: How can you Protect your Applications and Networks?

DDoS incidents can cost you up to $50,000 per attack, while attacks that peaked greater than 300 Gbps jumped by more than 500% in 2018.  Here's my guide on how to protect against DDoS attacks, starting with a few basic tools.