Securing business data
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CNS Mosaic COMPLY & SECURE is a PSN Compliant Service. Service Number SRV_0220 (link to HMG Services list). CNS Provide Managed Services Services to a number of Government Clients across the PSN upto and including OFFICIAL(SENSITIVE) data. CNS Group also provide PSN Consultancy and have a number of CESG Certified Professionals (CCP) to assist clients attain and maintain their own PSN Compliance.

At CNS, we are Experts in Public Services Network (PSN) Security

Security operations is what we do, and with over 15 years experience, you can trust us as your complete security solution.

Replacing the GSi (Government Secured Intranet), the PSN is based on rigorous cyber security standards and covers G-Cloud services as well.

All CNS Mosaic security services are supported through our Managed Security Operations Centre (SOC) which is located entirely in the UK.

The minimum level for PSN Services is OFFICIAL. All our services at that level have the assurance and accreditation needed. Our SOC is regularly audited and its access is regulated for compliance and risk purposes.

That way, CNS Mosaic joined the elite group of firms competent and permitted to supply the PSN.


Public Service Network

From the 31th of October 2014, all Public Sector agencies need to become PSN compliant to secure their networks. Our PSN services allow agencies to increase the performance and security of communications over UK administration.

Protective Monitoring


Improving traditional defences with critical informations.

Managed Firewall

Threat Protection

Protect your network by blocking menaces.

Vulnerability Management

Make sure you are protected at any moment.

Vulnerability & Patch Manangement

Network Security Monitoring



Collect, analyse and act in response to intrusions.

Managed Firewalls

Keep control on incoming and outgoing network traffic.

Managed Mobile/ BYOD

Remote Access & IDS supported


By wrap around services such as incident response and compliance consultancy (CLAS & CCP)

                                          Managed IDS

Compliance Management Services

We provide a suite of management services to ensure IT Security compliance.


Government Classification



Speak to an Expert

To find out how we can tailor our PSN Services to your public service, get in touch using the contact form on the right of this page or by calling us on 0207 592 8800.

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