NCSC UK
@ncsc.gov.uk
We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency GCHQ. We help to make the UK the safest place to live and work online.
Over 20,000 UK organisations are already signed up to free malicious activity notifications from the NCSC.🔔 Early Warning offers potentially invaluable time to detect and respond to cyber incidents on your network before they escalate. Sign up today⬇️ www.ncsc.gov.uk/section/acti...
How can leaders create environments where cyber resilience becomes part of everyday decision-making? The second episode of our two-part special on institutional wilful blindness considers what it takes to turn cyber risk awareness into action.⬇️ www.ncsc.gov.uk/section/cybe...
The NCSC has published a new blog on how defenders can make better use of AI. To read more⬇️ www.ncsc.gov.uk/blogs/one-do...
Supply chain cyber attacks are rising, yet only a fraction of UK businesses assess these risks. Cyber Essentials significantly reduces exposure to common attacks. For information on how to embed Cyber Essentials within your supply chain ⬇️ https://www.ncsc.gov.uk/cyberessentials/secure-supply-chain
Next week! The NCSC Cyber Series Podcast will discuss how leaders can respond to incidents, how to tell stories that encourage people to act, & how people may actually be the strongest link in an organisation's defences. Other episodes⬇️ https://www.ncsc.gov.uk/section/cyber-series-podcast/series-3
Join us for a free live webinar for small and medium retail businesses to learn practical steps to take for stronger cyber security. 📅Monday 5th October 2026, 10-11am Sign up now⬇️ https://events.teams.microsoft.com/event/0a724efa-36a6-4d0a-8dca-6f4067085878@14aa5744-ece1-474e-a2d7-34f46dda64a1
Microsoft Virtual Events Powered by Teams
Microsoft Virtual Events Powered by Teams
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Sponsor and exhibitor applications for #CYBERUK27 are now open. Join us in Liverpool to explore our 2027 theme: Securing the AI Era. Read more⬇️ https://www.ncsc.gov.uk/sites/default/files/2026-09/CYBERUK-2027-SPEX-brochure.pdf
A new advisory exposes Iranian state cyber attackers using malware dubbed CHOSEN BRICK. Our Director of Operations Paul Chichester says individuals at risk should follow advice in our new advisory ⬇️ https://www.ncsc.gov.uk/news/iranian-cyber-targeting-of-dissidents-activists-and-journalists
Today, the NCSC alongside the FBI and the Dutch AIVD, has published an advisory exposing spyware used by Iranian state actors to target dissidents, activists, and journalists. 1/2
Passkeys are a faster, simpler and more secure way to sign in and forget the password headaches.🔐 Millions of users will now be able to choose passkeys on GOV.UK One Login for improved security and usability at point of access. Find out more about passkeys: https://www.ncsc.gov.uk/passkeys
Severe cyber attacks can cause major disruption to systems, data or infrastructure, often with widespread consequences. Act now⬇️ https://www.ncsc.gov.uk/collection/how-to-prepare-and-plan-your-organisations-response-to-severe-cyber-threat-a-guide-for-cni
Don't let unapproved AI use cast a shadow over your organisation’s security. Understanding employees' needs with AI tools will help ensure they can access the benefits securely. Read our new blog on shadow AI here ⬇️ www.ncsc.gov.uk/blogs/the-hi...
The NCSC has published an advisory calling on all organisations that use operational technology (OT) to review their security. Network defenders are encouraged to act on the advice to bolster resilience and prepare for severe cyber threats. Read the advisory⬇️ www.ncsc.gov.uk/news/disrupt...
If you have been the victim of a data breach, you should stay alert to scammers using phishing messages, emails and calls asking you to click links or share sensitive information. For guidance on what to do if your data has been breached ⬇️ www.ncsc.gov.uk/guidance/dat...
The NCSC has seen increased targeting of operational technology (OT) systems across multiple sectors globally, including in the UK. Any organisation with internet-exposed OT should read the latest advisory and review their security posture: www.ncsc.gov.uk/news/disrupt...
Disruptive cyber activity highlights risk from internet-exposed systems and edge devices
ncsc.gov.uk
New podcast available now: Leadership expert and author Margaret Heffernan, Genevieve Liveley, Director of the Research Institute for Sociotechnical Cyber Security, and Kathryn, our Head of Social Sciences explore why organisations struggle to respond to cyber risk⬇️ www.ncsc.gov.uk/section/cybe...
Coming next week! Episode 2, series 3 of the NCSC's Cyber Series podcast, featuring leadership expert Dr Margaret Heffernan, who previously spoke at #CYBERUK26 Previous podcasts⬇️ https://www.ncsc.gov.uk/section/cyber-series-podcast/overview Dr Heffernan at CYBERUK26⬇️ https://youtu.be/SiFTmk8BRDE
In charge of configuring Microsoft Windows for your organisation? Setting up BitLocker without a PIN can leave you vulnerable. Learn how to better protect your devices and data with our new guidance. Act now⬇️ https://www.ncsc.gov.uk/blogs/how-bitlocker-pins-help-protect-your-data-and-devices
How BitLocker PINs help protect your data and devices
Using a PIN mitigates many BitLocker vulnerabilities. Make sure you’re ready for the next one...
ncsc.gov.uk
Today, the NCSC has published a new blog post on managing the cyber risk from agentic AI. The advice supports system designers and operators to make informed decisions as AI cyber security continues to evolve. Read it now: https://www.ncsc.gov.uk/blogs/managing-the-cyber-risk-of-agentic-ai
CYBERUK is coming to Liverpool! The UK government's flagship cyber security event brings the cyber security community together every year to network, learn and collaborate. Sign up to our mailing list for the latest updates⬇️ Save the date: Liverpool, 11-13 May 2027 https://www.cyberuk.uk/
If you design or maintain an Operational Technology (OT) network, our secure connectivity principles can help you build cyber resilience. Make sense of navigating cyber, operational and safety considerations with our new fictional worked example⬇️🚰 www.ncsc.gov.uk/collection/o...
Secure connectivity - Water Sector Example
A fictional worked example exploring the application of the NCSC’s secure connectivity principles.
ncsc.gov.uk
If you've been the victim of a data breach, stay alert to scammers using phishing messages, emails and calls asking you to click links or share sensitive information. For guidance on how to spot such messages and what to do if your data has been breached⬇️ www.ncsc.gov.uk/guidance/dat...
The NCSC is a partner for @AMLUCS, the Applied Machine Learning for Cyber Security Conference 2026, 23-24 September. The programme covers AI security threats, offensive/defensive AI, multi-agent system design, governance, and more. For more information: amlucs.ai
AMLUCS | Official AMLUCS Website-Register for AMLUCS 2026
Join AMLUCS 2026 in London to explore AI and ML advancements in cybersecurity. Attend expert talks, hands-on sessions, and networking to discover innovative threat detection, defense strategies, and research driving the future of secure systems. 23-24 S...
amlucs.ai
Understanding your supply chain is the first step to securing it.✅ Cyber Essentials provides a clear way to reduce complexity on cyber security due diligence. To find out whether your suppliers are certified, try the supplier check tool⬇️ https://ncsc.gov.uk/cyberessentials/secure-supply-chain
Cyber security is more than a compliance function or technical issue, it's about business survival, & demands senior engagement. The NCSC’s Board Toolkit is designed to help leaders embed cyber resilience & risk management within their organisations⬇️ https://www.ncsc.gov.uk/collection/board-toolkit
The NCSC has published a new statement on AI security in response to recent incidents resulting from frontier AI evaluations. Read the latest from our CTO Ollie Whitehouse: www.ncsc.gov.uk/news/ncsc-st...
NCSC statement in response to recent incidents resulting from frontier AI evaluations
A statement from Ollie Whitehouse, Chief Technology Officer at the NCSC, on AI security following recent incidents.
ncsc.gov.uk
Time is a key asset when faced with a cyber incident, and an Early Warning notification could be potentially invaluable to your business operations. Add a vital layer to your cyber defences with free malicious activity alerts for UK organisations⚠️⬇️ www.ncsc.gov.uk/section/acti...
"Does this make our citizens and our allies safer?" Anne Keast-Butler, Director @GCHQ, spoke at #CYBERUK26 about how security underpins the agency’s freedom to operate and is a central goal that informs decision-making. To watch Anne's full discussion ⬇️ www.youtube.com/watch?v=8ygU...
Migrating to post-quantum cryptography (PQC) requires careful planning, but organisations do not need to navigate it alone. The NCSC's recent blog has key reflections on the importance of Board engagement, supply chain readiness, and collaboration ⬇️ www.ncsc.gov.uk/blogs/post-q...
Post-quantum cryptography (PQC) migration workshop report
No organisation can navigate the migration alone; key takeaways from our first PQC migration workshop.
ncsc.gov.uk
43% of businesses reported a cyber breach last year. The NCSC offers clear, practical response & recovery guidance to support organisations through a disruptive cyber attack. Don't wait for the breach. Act now to support business continuity, resilience & growth: www.ncsc.gov.uk/blogs/when-c...
