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.

4D's CTO, David Barker, talks about the different data centre tier levels, what they cover and whether they're still relevant.

As the countdown to Brexit edges ever closer, what impact would a No-Deal Brexit have on businesses who store, process, and transfer data between Britain and the EU?

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.

Big Data continues to be a hot topic for this year and beyond, with monthly Google searches for ‘big data’ alone estimated to be hundreds of thousands worldwide. Our latest in the 4D Awards series looks at the 6 Big Data blogs you should be reading in 2019 and beyond.

As we come into the week where many investigations are going on by Ofgem, National Grid and the generating companies, this is a great time for us to reflect as a data centre operator on what happened.

4D are delighted to be awarded for their Marketing video content at From The Hip’s inaugural Business Video Awards 2019. 

Over four in ten UK businesses suffered a breach or attack during 2018-19 - it’s this evidence, along with stricter data protection laws brought in by GDPR, which inspires our 6 steps of cyber security basics.

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...