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.

DDOS: How an Attack can Affect your Business

Our Technical Director, David Barker, explains the damaging affects of a DDoS attack to your business.

How to Protect your Personal Data in 2019

With a continuation of major data breaches in the past year, I've outlined my personal cyber security tips to protect your personal data in 2019.

4D Awards 2019: Cyber Security

In every industry, there are websites that stand out from the crowd by offering exceptional content and resources to their readers- this post focuses on uncovering the best Cyber Security blogs you should be reading in 2019.

Cyber Security Tips

Smartphones, tablets and laptops have become ubiquitous, as has the ability to access data on the go- that convenience also brings risks. We've compiled our top 6 tips on how to protect your data when out of the office.

Elon Musk

Despite October being European Cyber Security Month (ECSM), it didn’t stop scammers using social media to try and con people out of their hard earned Bitcoin. 

Symantec Distrust

Symantec, the world famous company offering a wide range of security products, has lost some reputation in recent times. This includes issuing some misused and/or suspicious SSL certificates.

Ministry of Defence HQ

To follow the theme of CyberSecMonth, it was recently announced (but relatively under-reported) that the Ministry of Defence and GCHQ will be recruiting up to 2,000 new personnel to tackle cyber threats posed by an increasingly aggressive Russia and Islamic State.