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.
If you're looking out for good Boxing Day deals, stay ahead of scams by enabling 2-Step Verification (2SV).
Keep the fraudsters out of your online accounts with an extra step to verify your identity after a login attempt.
Learn more:
https://stopthinkfraud.campaign.gov.uk/
Keep the fraudsters out of your online accounts with an extra step to verify your identity after a login attempt.
Learn more:
https://stopthinkfraud.campaign.gov.uk/
December 26, 2025 at 10:56 AM
If you're looking out for good Boxing Day deals, stay ahead of scams by enabling 2-Step Verification (2SV).
Keep the fraudsters out of your online accounts with an extra step to verify your identity after a login attempt.
Learn more:
https://stopthinkfraud.campaign.gov.uk/
Keep the fraudsters out of your online accounts with an extra step to verify your identity after a login attempt.
Learn more:
https://stopthinkfraud.campaign.gov.uk/
Why do researchers keep finding so many prompt injection issues?
Perhaps it is because many AI system designers and defenders are misunderstanding the risks.🚨
Find out more⬇️
https://www.ncsc.gov.uk/blog-post/prompt-injection-is-not-sql-injection
Perhaps it is because many AI system designers and defenders are misunderstanding the risks.🚨
Find out more⬇️
https://www.ncsc.gov.uk/blog-post/prompt-injection-is-not-sql-injection
Prompt injection is not SQL injection (it may be worse)
There are crucial differences between prompt and SQL injection which – if not considered – can undermine mitigations.
www.ncsc.gov.uk
December 8, 2025 at 10:37 AM
Why do researchers keep finding so many prompt injection issues?
Perhaps it is because many AI system designers and defenders are misunderstanding the risks.🚨
Find out more⬇️
https://www.ncsc.gov.uk/blog-post/prompt-injection-is-not-sql-injection
Perhaps it is because many AI system designers and defenders are misunderstanding the risks.🚨
Find out more⬇️
https://www.ncsc.gov.uk/blog-post/prompt-injection-is-not-sql-injection
NEW: We have collaborated with our 🇨🇦 partners to examine how new technologies might help build trust in digital content in the age of generative AI.
Read more about the emerging field of content provenance from a cyber security perspective here⬇️
www.ncsc.gov.uk/blog-post/buil...
Read more about the emerging field of content provenance from a cyber security perspective here⬇️
www.ncsc.gov.uk/blog-post/buil...
December 4, 2025 at 3:15 PM
NEW: We have collaborated with our 🇨🇦 partners to examine how new technologies might help build trust in digital content in the age of generative AI.
Read more about the emerging field of content provenance from a cyber security perspective here⬇️
www.ncsc.gov.uk/blog-post/buil...
Read more about the emerging field of content provenance from a cyber security perspective here⬇️
www.ncsc.gov.uk/blog-post/buil...
CYBERUK is coming to SEC Glasgow for #CYBERUK26!
Apply now to secure your place at the UK government's flagship cyber security event.
🗓️ 21 – 23 April 2026
📍 Glasgow, UK
Apply now – limited early bird rates are available! ⬇️
http://www.cyberuk.uk
Apply now to secure your place at the UK government's flagship cyber security event.
🗓️ 21 – 23 April 2026
📍 Glasgow, UK
Apply now – limited early bird rates are available! ⬇️
http://www.cyberuk.uk
November 26, 2025 at 2:03 PM
CYBERUK is coming to SEC Glasgow for #CYBERUK26!
Apply now to secure your place at the UK government's flagship cyber security event.
🗓️ 21 – 23 April 2026
📍 Glasgow, UK
Apply now – limited early bird rates are available! ⬇️
http://www.cyberuk.uk
Apply now to secure your place at the UK government's flagship cyber security event.
🗓️ 21 – 23 April 2026
📍 Glasgow, UK
Apply now – limited early bird rates are available! ⬇️
http://www.cyberuk.uk
Apply now to secure your place at the UK government's flagship cyber security event #CYBERUK26!
Limited early bird tickets are available - don't miss out! 👇
www.cyberuk.uk
Limited early bird tickets are available - don't miss out! 👇
www.cyberuk.uk
November 19, 2025 at 1:52 PM
Apply now to secure your place at the UK government's flagship cyber security event #CYBERUK26!
Limited early bird tickets are available - don't miss out! 👇
www.cyberuk.uk
Limited early bird tickets are available - don't miss out! 👇
www.cyberuk.uk
Identify cyber threats before they escalate with Early Warning, a free service for any organisation with a UK-based website.⚠️
Sign up now to receive tailored alerts that complement your security controls⬇️
https://www.ncsc.gov.uk/section/active-cyber-defence/early-warning
#CyberMonth2025
Sign up now to receive tailored alerts that complement your security controls⬇️
https://www.ncsc.gov.uk/section/active-cyber-defence/early-warning
#CyberMonth2025
October 29, 2025 at 9:30 AM
Identify cyber threats before they escalate with Early Warning, a free service for any organisation with a UK-based website.⚠️
Sign up now to receive tailored alerts that complement your security controls⬇️
https://www.ncsc.gov.uk/section/active-cyber-defence/early-warning
#CyberMonth2025
Sign up now to receive tailored alerts that complement your security controls⬇️
https://www.ncsc.gov.uk/section/active-cyber-defence/early-warning
#CyberMonth2025
This week rounds off #CyberMonth2025, an opportunity to reflect on actions we can all take to #SecureOurWorld.🌍
It’s time to take practical steps to improve your cyber security. Explore our guidance and resources:
https://www.ncsc.gov.uk/
It’s time to take practical steps to improve your cyber security. Explore our guidance and resources:
https://www.ncsc.gov.uk/
October 27, 2025 at 9:30 AM
This week rounds off #CyberMonth2025, an opportunity to reflect on actions we can all take to #SecureOurWorld.🌍
It’s time to take practical steps to improve your cyber security. Explore our guidance and resources:
https://www.ncsc.gov.uk/
It’s time to take practical steps to improve your cyber security. Explore our guidance and resources:
https://www.ncsc.gov.uk/
Co-created with industry leaders for industry leaders, our Cyber Governance Training empowers your board to manage cyber security responsibilities.
It’s time to act. Start your Cyber Governance Training today⬇️
https://www.ncsc.gov.uk/cyber-governance-for-boards/training
#CyberMonth2025
It’s time to act. Start your Cyber Governance Training today⬇️
https://www.ncsc.gov.uk/cyber-governance-for-boards/training
#CyberMonth2025
October 25, 2025 at 1:36 PM
Co-created with industry leaders for industry leaders, our Cyber Governance Training empowers your board to manage cyber security responsibilities.
It’s time to act. Start your Cyber Governance Training today⬇️
https://www.ncsc.gov.uk/cyber-governance-for-boards/training
#CyberMonth2025
It’s time to act. Start your Cyber Governance Training today⬇️
https://www.ncsc.gov.uk/cyber-governance-for-boards/training
#CyberMonth2025
We all have tech habits, ways of solving problems, & curiosity. The CyberFirst Bursary helps you take those skills further with hands-on experience in cyber security, AI, quantum computing, next-gen tech and connections to top UK tech companies. Learn more at: https://www.cyberfirstcareers.co.uk/
Home | CyberFirst
The CYBERFIRST UNIVERSITY BURSARY is open for applications. Please submit your application by 11pm on Monday 17th November 2025.
www.cyberfirstcareers.co.uk
October 23, 2025 at 2:48 PM
We all have tech habits, ways of solving problems, & curiosity. The CyberFirst Bursary helps you take those skills further with hands-on experience in cyber security, AI, quantum computing, next-gen tech and connections to top UK tech companies. Learn more at: https://www.cyberfirstcareers.co.uk/
Has your business got the basics right?🔐
In our new podcast episode, the experts talk you through Cyber Essentials: the government-backed minimum cyber security standard for all UK organisations.
Listen now🎙️
https://open.spotify.com/episode/4m6a1zROfYIrY3HlUm3uZ9?si=VhebYAG_QpCxZYlz62NGUQ
In our new podcast episode, the experts talk you through Cyber Essentials: the government-backed minimum cyber security standard for all UK organisations.
Listen now🎙️
https://open.spotify.com/episode/4m6a1zROfYIrY3HlUm3uZ9?si=VhebYAG_QpCxZYlz62NGUQ
Cyber Essentials
open.spotify.com
October 22, 2025 at 3:53 PM
Has your business got the basics right?🔐
In our new podcast episode, the experts talk you through Cyber Essentials: the government-backed minimum cyber security standard for all UK organisations.
Listen now🎙️
https://open.spotify.com/episode/4m6a1zROfYIrY3HlUm3uZ9?si=VhebYAG_QpCxZYlz62NGUQ
In our new podcast episode, the experts talk you through Cyber Essentials: the government-backed minimum cyber security standard for all UK organisations.
Listen now🎙️
https://open.spotify.com/episode/4m6a1zROfYIrY3HlUm3uZ9?si=VhebYAG_QpCxZYlz62NGUQ
Our Cyber Governance resources for medium and large organisations are taking centre stage on Week 4 of #CyberMonth2025.
🤝Our Cyber Governance Training and Cyber Security Toolkit support Boards to apply critical principles and govern cyber risks. Learn more:
www.ncsc.gov.uk/cyber-govern...
🤝Our Cyber Governance Training and Cyber Security Toolkit support Boards to apply critical principles and govern cyber risks. Learn more:
www.ncsc.gov.uk/cyber-govern...
Cyber Governance for Boards
Resources to enable Boards to govern cyber risks with confidence.
www.ncsc.gov.uk
October 20, 2025 at 9:40 AM
Our Cyber Governance resources for medium and large organisations are taking centre stage on Week 4 of #CyberMonth2025.
🤝Our Cyber Governance Training and Cyber Security Toolkit support Boards to apply critical principles and govern cyber risks. Learn more:
www.ncsc.gov.uk/cyber-govern...
🤝Our Cyber Governance Training and Cyber Security Toolkit support Boards to apply critical principles and govern cyber risks. Learn more:
www.ncsc.gov.uk/cyber-govern...
Cyber Essentials certifications are increasing. Over 39,000 awarded in 2024/25, up 17.5% from last year. See how we’re helping organisations of every size to prepare, protect, detect and respond in our Annual Review 2025, Chapter 2: Resilience at Scale
www.ncsc.gov.uk/collection/n...
www.ncsc.gov.uk/collection/n...
October 17, 2025 at 10:38 AM
Cyber Essentials certifications are increasing. Over 39,000 awarded in 2024/25, up 17.5% from last year. See how we’re helping organisations of every size to prepare, protect, detect and respond in our Annual Review 2025, Chapter 2: Resilience at Scale
www.ncsc.gov.uk/collection/n...
www.ncsc.gov.uk/collection/n...
Curious about the code on this year’s Annual Review front cover? The words codify “It’s time to act. Cyber attacks are inevitable, but damage isn’t. Show you take security seriously. Stay secure. Stay trusted."
Read the full report now⬇️
www.ncsc.gov.uk/annual-revie...
Read the full report now⬇️
www.ncsc.gov.uk/annual-revie...
October 15, 2025 at 11:03 AM
Curious about the code on this year’s Annual Review front cover? The words codify “It’s time to act. Cyber attacks are inevitable, but damage isn’t. Show you take security seriously. Stay secure. Stay trusted."
Read the full report now⬇️
www.ncsc.gov.uk/annual-revie...
Read the full report now⬇️
www.ncsc.gov.uk/annual-revie...
It’s time to act
Today we’ve published our 2025 Annual Review, revealing that cyber threats facing the UK are accelerating rapidly. We must take action.
Today we’ve published our 2025 Annual Review, revealing that cyber threats facing the UK are accelerating rapidly. We must take action.
October 14, 2025 at 6:14 AM
It’s time to act
Today we’ve published our 2025 Annual Review, revealing that cyber threats facing the UK are accelerating rapidly. We must take action.
Today we’ve published our 2025 Annual Review, revealing that cyber threats facing the UK are accelerating rapidly. We must take action.
Tomorrow is #AdaLovelaceDay!
Get inspired to kickstart your tech career with the CyberFirst bursary, no cyber background needed.
Hear from alumni Rose & Emma as they share their journeys👇
https://www.youtube.com/watch?v=EW1oSh07psE
Get inspired to kickstart your tech career with the CyberFirst bursary, no cyber background needed.
Hear from alumni Rose & Emma as they share their journeys👇
https://www.youtube.com/watch?v=EW1oSh07psE
CyberFirst Alumni in Conversation
YouTube video by NCSC_HMG
www.youtube.com
October 13, 2025 at 10:00 AM
Tomorrow is #AdaLovelaceDay!
Get inspired to kickstart your tech career with the CyberFirst bursary, no cyber background needed.
Hear from alumni Rose & Emma as they share their journeys👇
https://www.youtube.com/watch?v=EW1oSh07psE
Get inspired to kickstart your tech career with the CyberFirst bursary, no cyber background needed.
Hear from alumni Rose & Emma as they share their journeys👇
https://www.youtube.com/watch?v=EW1oSh07psE
This #WorldMentalHealthDay, read our guidance on supporting the welfare of those managing cyber incident response in your organisation, because people are at the heart of every cyber response⬇️
https://www.ncsc.gov.uk/guidance/putting-staff-welfare-at-the-heart-of-incident-response
#CyberMonth2025
https://www.ncsc.gov.uk/guidance/putting-staff-welfare-at-the-heart-of-incident-response
#CyberMonth2025
Putting staff welfare at the heart of incident response
Guidance for staff responsible for managing a cyber incident response within their organisation.
www.ncsc.gov.uk
October 10, 2025 at 11:16 AM
This #WorldMentalHealthDay, read our guidance on supporting the welfare of those managing cyber incident response in your organisation, because people are at the heart of every cyber response⬇️
https://www.ncsc.gov.uk/guidance/putting-staff-welfare-at-the-heart-of-incident-response
#CyberMonth2025
https://www.ncsc.gov.uk/guidance/putting-staff-welfare-at-the-heart-of-incident-response
#CyberMonth2025
Most cyber attacks are basic - the digital equivalent of a thief trying your front door to see if it’s unlocked. Cyber Essentials helps you bolt your door against the most common cyber attacks.
Learn more:
https://www.ncsc.gov.uk/cyberessentials/overview
Learn more:
https://www.ncsc.gov.uk/cyberessentials/overview
October 9, 2025 at 8:30 AM
Most cyber attacks are basic - the digital equivalent of a thief trying your front door to see if it’s unlocked. Cyber Essentials helps you bolt your door against the most common cyber attacks.
Learn more:
https://www.ncsc.gov.uk/cyberessentials/overview
Learn more:
https://www.ncsc.gov.uk/cyberessentials/overview
'How do you protect your online identity?’ The CyberFirst Bursary is all about asking questions like this and exploring the answers. With funding, placements, and mentoring, it’s a hands-on way to build skills, confidence, and a network in tech. Find out more at: https://www.cyberfirstcareers.co.uk/
October 8, 2025 at 4:01 PM
'How do you protect your online identity?’ The CyberFirst Bursary is all about asking questions like this and exploring the answers. With funding, placements, and mentoring, it’s a hands-on way to build skills, confidence, and a network in tech. Find out more at: https://www.cyberfirstcareers.co.uk/
There's just a few hours left to apply for a key content sponsorship package for #CYBERUK26. Don't delay! Apply before 5pm TONIGHT.
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
October 7, 2025 at 11:33 AM
There's just a few hours left to apply for a key content sponsorship package for #CYBERUK26. Don't delay! Apply before 5pm TONIGHT.
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
There's only ONE day left to apply for a key content sponsorship package for #CYBERUK26. Apply before Tuesday 7 October, 5pm.
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
CYBERUK 2026
Discover more about the UK government's flagship cyber security conference, coming to Glasgow on 21-23 April.
www.cyberuk.uk
October 6, 2025 at 11:25 AM
There's only ONE day left to apply for a key content sponsorship package for #CYBERUK26. Apply before Tuesday 7 October, 5pm.
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
Check out all opportunities to be sponsor or exhibitor at #CYBERUK26👇
https://www.cyberuk.uk/
📍SEC Glasgow
🗓️21-23 April 2026
The NCSC is encouraging UK organisations to take immediate action to mitigate a vulnerability (CVE-2025-61882) affecting Oracle E-Business Suite.
More info here👇
https://www.ncsc.gov.uk/news/active-exploitation-vulnerability-affecting-oracle-ebusiness-suite
More info here👇
https://www.ncsc.gov.uk/news/active-exploitation-vulnerability-affecting-oracle-ebusiness-suite
Active exploitation of vulnerability affecting Oracle E-Business Suite
The NCSC is encouraging UK organisations to take immediate action to mitigate a vulnerability (CVE-2025-61882) affecting Oracle E-Business Suite.
www.ncsc.gov.uk
October 6, 2025 at 9:30 AM
The NCSC is encouraging UK organisations to take immediate action to mitigate a vulnerability (CVE-2025-61882) affecting Oracle E-Business Suite.
More info here👇
https://www.ncsc.gov.uk/news/active-exploitation-vulnerability-affecting-oracle-ebusiness-suite
More info here👇
https://www.ncsc.gov.uk/news/active-exploitation-vulnerability-affecting-oracle-ebusiness-suite
It's Week 2 of #CyberMonth2025 and we’re proudly shining a light on Cyber Essentials, the government-backed certification scheme which ensures your organisation has fundamental protections in place.
Watch to find out more👇
https://www.youtube.com/watch?v=9y26IT5ow_s
Watch to find out more👇
https://www.youtube.com/watch?v=9y26IT5ow_s
Cyber Essentials - Secure your business
YouTube video by NCSC_HMG
www.youtube.com
October 6, 2025 at 9:00 AM
It's Week 2 of #CyberMonth2025 and we’re proudly shining a light on Cyber Essentials, the government-backed certification scheme which ensures your organisation has fundamental protections in place.
Watch to find out more👇
https://www.youtube.com/watch?v=9y26IT5ow_s
Watch to find out more👇
https://www.youtube.com/watch?v=9y26IT5ow_s
Light or dark mode? Instagram or TikTok? Apple or Android?
Emma and Rose share their quick-fire answers and the CyberFirst bursary is just as surprising.
Gain up to £24,000 while learning about AI, quantum computing and semiconductors. Find out more at: https://www.cyberfirstcareers.co.uk/
Emma and Rose share their quick-fire answers and the CyberFirst bursary is just as surprising.
Gain up to £24,000 while learning about AI, quantum computing and semiconductors. Find out more at: https://www.cyberfirstcareers.co.uk/
October 3, 2025 at 4:15 PM
Light or dark mode? Instagram or TikTok? Apple or Android?
Emma and Rose share their quick-fire answers and the CyberFirst bursary is just as surprising.
Gain up to £24,000 while learning about AI, quantum computing and semiconductors. Find out more at: https://www.cyberfirstcareers.co.uk/
Emma and Rose share their quick-fire answers and the CyberFirst bursary is just as surprising.
Gain up to £24,000 while learning about AI, quantum computing and semiconductors. Find out more at: https://www.cyberfirstcareers.co.uk/
It's our birthday!🥳
For 9 years, our mission has been to make the UK the safest place to live and work online, leading the UK’s defences against the most advanced cyber threats.
Through our expertise, advice and insights, we are committed to raising collective cyber resilience.
For 9 years, our mission has been to make the UK the safest place to live and work online, leading the UK’s defences against the most advanced cyber threats.
Through our expertise, advice and insights, we are committed to raising collective cyber resilience.
October 3, 2025 at 8:00 AM
It's our birthday!🥳
For 9 years, our mission has been to make the UK the safest place to live and work online, leading the UK’s defences against the most advanced cyber threats.
Through our expertise, advice and insights, we are committed to raising collective cyber resilience.
For 9 years, our mission has been to make the UK the safest place to live and work online, leading the UK’s defences against the most advanced cyber threats.
Through our expertise, advice and insights, we are committed to raising collective cyber resilience.
It's Cyber Security Awareness Month aka #CyberMonth2025! All October we'll explore how we can be more secure online together through this year’s theme #SecureOurWorld.
October 1, 2025 at 6:41 AM
It's Cyber Security Awareness Month aka #CyberMonth2025! All October we'll explore how we can be more secure online together through this year’s theme #SecureOurWorld.