Cyber security is business survival
The NCSC co-signs Ministerial letter to major British businesses including FTSE 350 companies.
Large organisations
Cyber security advice for businesses, charities and critical national infrastructure with more than 250 employees. You are likely to have a dedicated team managing your cyber security.
Cyber governance for boards
As organisations adopt emerging technologies, they also introduce new risks - cyber risk being one of the most significant.
Browse our guidance
The NCSC publishes a broad range of advice and guidance particularly for large organisations who should consider cyber security a priority. If you are responsible for a large organisation's approach to cyber security then you may find the following content useful.
Cyber Essentials Supply Chain Playbook
This guide will help you protect your business from cyber attacks by supporting you to embed Cyber Essentials in your supply chain.
Risk management
How to understand and manage the cyber security risks for your organisation.
Passkeys are more secure than traditional ways to log in
Passkeys offer a more usable, secure replacement for passwords and are already supported by most modern devices.
What you need to know about ransomware
Ransomware is a type of malware which prevents you from accessing your device and the data stored on it, usually by encrypting your files. A criminal group will then demand a ransom in exchange for decryption.
Device security guidance
Guidance for organisations on how to choose, configure and use devices securely.
News reports and advisories
Keep up-to-date with the NCSC's latest news, reports and advisories relating to cyber security matters affecting the UK.
Cyber resilience
Improve your organisation's cyber resilience
10 Steps to Cyber Security
Guidance on how organisations can protect themselves in cyberspace.
Early Warning
Free malicious activity notifications from the NCSC for UK organisations.
Cyber Assessment Framework
The CAF is a collection of cyber security guidance for organisations that play a vital role in the day-to-day life of the UK, with a focus on essential functions.
Cyber Essentials
Protect your business against the most common cyber threats with Cyber Essentials.
Find a product or service
We assure cyber security products and services against our rigorous standards so that you and your organisations can rely on them.
Join our community
There are many ways that you and your business can be a part of the NCSC community. Whether your business needs support delivering products or services that directly benefit the cyber security landscape, or working collaboratively with us here at the NCSC - we want to work with industry to make the UK the safest place to live and work online.
Joining i100
Find out how to express interest in joining Industry 100.
CyberFirst overview
CyberFirst is a government-backed outreach and education programme designed to create opportunities for talented young people in future-focused tech careers. CyberFirst supports students from all backgrounds to consider a career in tech – including cyber security, AI, quantum computing, software, data and more.