The National Cyber Security Centre

Helping to make the UK the safest place to live and do business online. Read more about the NCSC.

The National Cyber Security Centre a part of GCHQ

An assessment by the National Cyber Security Centre has found that the Russian military was almost certainly responsible for the ‘NotPetya’ cyber attack of June 2017.

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Active Cyber Defence – one year on

A paper written by Dr Ian Levy, Technical Director of the NCSC, following a year of the Active Cyber Defence programme.

Ian Levy discusses a new academic paper which shows how UK citizens are safer in cyberspace thanks to the ACD programme.

Results of the NCSC's Active Cyber Defence programme have been revealed in figures published today.

Phishing attacks

Produced in collaboration with CPNI, government, academia and industry, Phishing Attacks: Defending Your Organisation describes how to protect your organisation against email phishing threats.

The UK will be implementing the EU directive on the security of Networks and Information Systems (known as the NIS Directive). Our NIS Guidance Collection guidance helps 'Operators of Essential Services' to implement the Directive.

Europe networks


Registration for the National Cyber Security Centre’s flagship event on cyber security is now open.

NCSC CEO Ciaran Martin invites you to Manchester's Central Convention Complex for the UK's flagship cyber security conference.

The only UK Government-hosted event for this sector. CYBERUK 2018 will be the largest and most wide ranging event for cyber security leaders and professionals in the UK.

Cyber Essentials helps you to guard against the most common cyber threats and demonstrate your commitment to cyber security.

Cyber Essentials
NCSC industry 100 copyright NCSC

At the NCSC we are inviting organisations of all sizes to work with us to achieve a greater understanding of the cyber security environment.

NCSC's Small Business Guide now available

A series of videos that introduce the NCSC's cyber security guidance for small businesses.

How to improve cyber security within your organisation - quickly, easily and at low cost.

Why you should protect your organisation's data, assets, and reputation from the growing online threat. 

Press & Media

Incidents of malware being used to illegally mine cryptocurrency being investigated by technical experts at the NCSC.

Pupils from Gloucestershire will develop invaluable skills for future careers thanks to their schools forming the UK’s first ‘Cyber Schools Hubs’.

The top ten teams from the CyberFirst Girls' online stage have been announced.

Find out about the NCSC...

The NCSC is making the UK one of the safest places in the world to live and do business online.

Read about the key events that lead to the formation of the National Cyber Security Centre.

Find out who makes up the NCSC leadership team. 

Services and resources

Cyber Aware provides cyber security advice for small businesses and individuals. By using strong passwords made up of three random words and always downloading the latest software updates, you can help protect your devices from cyber criminals.

Protect your business against cyber threats. Cyber Essentials is a government-backed and industry-supported scheme to guide businesses in protecting themselves against cyber threats. Cyber Essentials is for all organisations, of all sizes, and in all sectors - we encourage all to adopt the requirements as appropriate to their business.

Join our community on CiSP. CiSP allows members from across sectors and organisations to exchange cyber threat information in real time, in a secure and dynamic environment, while operating within a framework that protects the confidentiality of shared information.