Securing business data
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We offer specialised Public Sector cyber security services

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A quarter of IT professionals are not confident about their incident response plans

Our CERT service gives you a dedicated Cyber Rescue Line Contact us

In an uncertain world only 27% of UK security professionals know where their data is at all times

Find out how to be certain with CNS Read more

The journey to PCI DSS accreditation need not be a struggle

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CNS Group wins Best Managed Security Service at SC Magazine Awards Europe 2016

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Focus on getting the right things right

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Work with the sharpest minds in cyber security

Our consultants, architects, engineers and managers ensure your investments deliver value Read more

Managed Security Services

Protect your critical assets from compromise or attack whilst maintaining security compliance

Consulting and Compliance

One-to-one Security Assessment Services with our Cyber Security Specialists


Continually manage cyber risks with our Dynamic Pen Testing and Protective Services

Cyber Security Services

As a government accredited company, we help UK organisations of all sizes build cyber security capabilities and maintain compliance through practical consulting and managed services

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CNS Point of View

Get advice on the latest security and compliance issues to inform your decision making

Latest Blog Post

Shadow Brokers Leak - What Lessons Have Been Learnt?

CNS Videos

Tim Collinson from Bird & Bird discusses why he chose CNS Mosaic Managed Security Services

Latest Video

Case Study: Managed Security Services

Accreditations & Awards