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

Ransomware Guidance

Guidance for enterprise administrators who want to reduce the likelihood of being held to ransom by WannaCry (or other types of ransomware).

Guidance for home users or small businesses who want to reduce the likelihood of being held to ransom by WannaCry (or other types of ransomware).

How to prevent a ransomware incident, and what to do if your organisation is infected.

NCSC guidance following the renewed press interest in the historic hack of LinkedIn.

NCSC building with logo
Cyber Security

A new report, Cyber crime: understanding the online business model, outlines how cyber criminals are organised, their methods, and how their activities are monetised.

CyberFirst Girls competition

The top 100 schools in the online portion of the 2017 CyberFirst Girls competition.

10 teams of girls from across the UK came to Lancaster House in the heart of Westminster for the final of the NCSC's CyberFirst Girls competition.

Competition encouraging schoolgirls to take an interest in cyber security will run again in 2018.

NCSC building with logo

A statement from the National Cyber Security Centre regarding the Parliament cyber incident.

A new threat report, jointly written by the NCSC and the National Crime Agency (NCA), provides an in-depth analysis of the evolving threat, together with an overview of the practical steps the UK can take.

NCSC UK business
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.

Short courses designed to introduce 11-17 year olds to the world of cyber security are now available.

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.