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Cyber security is business survival. The NCSC co-signs Ministerial letter to major British businesses including FTSE 350 companies.

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Cyber security is business survival. The NCSC co-signs Ministerial letter to major British businesses including FTSE 350 companies.

Cyber security is business survival. The NCSC co-signs Ministerial letter to major British businesses including FTSE 350 companies.

Source: NCSC Feed

Published: Oct, 21 2025 10:59

The NCSC co-signs Ministerial letter to major British businesses including FTSE 350 companies.

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Strengthening national cyber resilien...

Strengthening national cyber resilience through observability and threat hunting. How organisations can improve their... Strengthening national cyber resilience through observability and threat hunting. How organisations can improve their ability to both detect and discover cyber threats.

RFC 9794: a new standard for post-qua...

RFC 9794: a new standard for post-quantum terminology. The NCSC’s contribution to the Internet Engineering Task Force... RFC 9794: a new standard for post-quantum terminology. The NCSC’s contribution to the Internet Engineering Task Force will help to make the internet more secure.

Understanding your OT environment: th...

Understanding your OT environment: the first step to stronger cyber security. If you can’t see your entire operationa... Understanding your OT environment: the first step to stronger cyber security. If you can’t see your entire operational technology environment, you can’t defend it. New guidance from the NCSC will help you gain that visibility.

EASM buyer's guide now available. How...

EASM buyer's guide now available. How to choose an external attack surface management (EASM) tool that’s right for yo... EASM buyer's guide now available. How to choose an external attack surface management (EASM) tool that’s right for your organisation.

External attack surface management (E...

External attack surface management (EASM) buyer's guide. A guide to choosing the right EASM product for your organisa... External attack surface management (EASM) buyer's guide. A guide to choosing the right EASM product for your organisation, and the security features you need to consider.

Cyber resilience matters as much as c...

Cyber resilience matters as much as cyber defence. Why planning and rehearsing your recovery from an incident is as v... Cyber resilience matters as much as cyber defence. Why planning and rehearsing your recovery from an incident is as vital as building your defences.

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Cyber security is business survival. The NCSC co-signs Mi...

Cyber security is business survival. The NCSC co-signs Ministerial letter to major Brit... Cyber security is business survival. The NCSC co-signs Mi...

Strengthening national cyber resilience through observabi...

Strengthening national cyber resilience through observability and threat hunting. How o... Strengthening national cyber resilience through observabi...

RFC 9794: a new standard for post-quantum terminology. Th...

RFC 9794: a new standard for post-quantum terminology. The NCSC’s contribution to the I... RFC 9794: a new standard for post-quantum terminology. Th...

Understanding your OT environment: the first step to stro...

Understanding your OT environment: the first step to stronger cyber security. If you ca... Understanding your OT environment: the first step to stro...

EASM buyer's guide now available. How to choose an extern...

EASM buyer's guide now available. How to choose an external attack surface management (... EASM buyer's guide now available. How to choose an extern...

External attack surface management (EASM) buyer's guide. ...

External attack surface management (EASM) buyer's guide. A guide to choosing the right ... External attack surface management (EASM) buyer's guide. ...

Cyber resilience matters as much as cyber defence. Why pl...

Cyber resilience matters as much as cyber defence. Why planning and rehearsing your rec... Cyber resilience matters as much as cyber defence. Why pl...

From bugs to bypasses: adapting vulnerability disclosure ...

From bugs to bypasses: adapting vulnerability disclosure for AI safeguards. Exploring h... From bugs to bypasses: adapting vulnerability disclosure ...

Cyber Assessment Framework v4.0 released in response to g...

Cyber Assessment Framework v4.0 released in response to growing threat. Updates to the ... Cyber Assessment Framework v4.0 released in response to g...

Getting your organisation ready for Windows 11 upgrade be...

Getting your organisation ready for Windows 11 upgrade before Autumn 2025. Why you shou... Getting your organisation ready for Windows 11 upgrade be...

Trusting the tech: using password managers and passkeys t...

Trusting the tech: using password managers and passkeys to help you stay secure online.... Trusting the tech: using password managers and passkeys t...

Have you got what it takes to be a 'Cyber Advisor'?. We n...

Have you got what it takes to be a 'Cyber Advisor'?. We need more cyber professionals t... Have you got what it takes to be a 'Cyber Advisor'?. We n...

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From bugs to bypasses: adapting vulnerability disclosure for AI safeguards. Exploring how far cyber security approaches can help mitigate risks in generative AI systems.

From bugs to bypasses: adapting vulnerability disclosure for AI safeguards. Exploring h... From bugs to bypasses: adapting vulnerability disclosure ...

NCSC Feed

Cyber Assessment Framework v4.0 released in response to growing threat. Updates to the CAF helps providers of essential services to better manage their cyber risks.

Cyber Assessment Framework v4.0 released in response to growing threat. Updates to the ... Cyber Assessment Framework v4.0 released in response to g...

NCSC Feed

Getting your organisation ready for Windows 11 upgrade before Autumn 2025. Why you should act now to ensure you meet the new hardware standards, and prioritise security.

Getting your organisation ready for Windows 11 upgrade before Autumn 2025. Why you shou... Getting your organisation ready for Windows 11 upgrade be...

NCSC Feed

Trusting the tech: using password managers and passkeys to help you stay secure online. How today’s secure tools simplify your digital life, and reduce login stress and password fatigue.

Trusting the tech: using password managers and passkeys to help you stay secure online.... Trusting the tech: using password managers and passkeys t...

NCSC Feed

Have you got what it takes to be a 'Cyber Advisor'?. We need more cyber professionals to join our scheme providing hands-on advice to SMEs.

Have you got what it takes to be a 'Cyber Advisor'?. We need more cyber professionals t... Have you got what it takes to be a 'Cyber Advisor'?. We n...

NCSC Feed

Sausages and incentives: rewarding a resilient technology future. Why ‘thinking big’ is required to shift the dynamics of the technology market.

Sausages and incentives: rewarding a resilient technology future. Why ‘thinking big’ is... Sausages and incentives: rewarding a resilient technology...

NCSC Feed

Creating the right organisational culture for cyber security. Calling cyber security professionals, culture specialists and leaders to drive uptake of new Cyber security culture principles.

Creating the right organisational culture for cyber security. Calling cyber security pr... Creating the right organisational culture for cyber secur...

NCSC Feed

New ETSI standard protects AI systems from evolving cyber threats. The NCSC and DSIT work with ETSI to ‘set a benchmark for securing AI’.

New ETSI standard protects AI systems from evolving cyber threats. The NCSC and DSIT wo... New ETSI standard protects AI systems from evolving cyber...

NCSC Feed

Facing the cyber threat behind the headlines. NCSC CEO urges all businesses to face the stark reality of the cyber threat they face, whether in the spotlight or not.

Facing the cyber threat behind the headlines. NCSC CEO urges all businesses to face the... Facing the cyber threat behind the headlines. NCSC CEO ur...

NCSC Feed

Decommissioning assets. How to retire digital assets (such as data, software, or hardware) from operation.

Decommissioning assets. How to retire digital assets (such as data, software, or hardwa... Decommissioning assets. How to retire digital assets (suc...

NCSC Feed

Incidents impacting retailers – recommendations from the NCSC. A joint blog post by the NCSC’s National Resilience Director, Jonathon Ellison, and Chief Technology Officer, Ollie Whitehouse.

Incidents impacting retailers – recommendations from the NCSC. A joint blog post by the... Incidents impacting retailers – recommendations from the ...

NCSC Feed

Software Code of Practice: building a secure digital future. New voluntary code of practice for technology providers defines a market baseline for cyber security.

Software Code of Practice: building a secure digital future. New voluntary code of prac... Software Code of Practice: building a secure digital futu...

NCSC Feed

Impact of AI on cyber threat from now to 2027. An NCSC assessment highlighting the impacts on cyber threat from AI developments between now and 2027.

Impact of AI on cyber threat from now to 2027. An NCSC assessment highlighting the impa... Impact of AI on cyber threat from now to 2027. An NCSC as...

NCSC Feed

Software Security Code of Practice - Assurance Principles and Claims (APCs). Helps vendors measure how well they meet the Software Security Code of Practice, and suggests remedial actions should they fall short.

Software Security Code of Practice - Assurance Principles and Claims (APCs). Helps vend... Software Security Code of Practice - Assurance Principles...

NCSC Feed

Advanced Cryptography: new approaches to data privacy. A new NCSC paper discusses the suitability of emerging Advanced Cryptography techniques.

Advanced Cryptography: new approaches to data privacy. A new NCSC paper discusses the s... Advanced Cryptography: new approaches to data privacy. A ...

NCSC Feed

New guidance on securing HTTP-based APIs. Why it’s essential to secure your APIs to build trust with your customers and partners.

New guidance on securing HTTP-based APIs. Why it’s essential to secure your APIs to bui... New guidance on securing HTTP-based APIs. Why it’s essent...

NCSC Feed

New online training helps board members to govern cyber risk. The NCSC’s CEO, Richard Horne on the new cyber governance resources giving Boards the tools they need to govern cyber security risks.

New online training helps board members to govern cyber risk. The NCSC’s CEO, Richard H... New online training helps board members to govern cyber r...

NCSC Feed

Cyber Security and Resilience Policy Statement to strengthen regulation of critical sectors. New proposals will combat the growing threat to UK critical national infrastructure (CNI).

Cyber Security and Resilience Policy Statement to strengthen regulation of critical sec... Cyber Security and Resilience Policy Statement to strengt...

NCSC Feed

CyberFirst Girls Competition: a proud milestone and exciting future. The future of the CyberFirst Girls Competition and reflecting on brilliant progress.

CyberFirst Girls Competition: a proud milestone and exciting future. The future of the ... CyberFirst Girls Competition: a proud milestone and excit...

NCSC Feed

Privileged access workstations: introducing our new set of principles. Principles-based guidance for organisations setting up a PAW solution.

Privileged access workstations: introducing our new set of principles. Principles-based... Privileged access workstations: introducing our new set o...

NCSC Feed

Timelines for migration to post-quantum cryptography. Activities which organisations must carry out to migrate safely to post-quantum cryptography in the coming years.

Timelines for migration to post-quantum cryptography. Activities which organisations mu... Timelines for migration to post-quantum cryptography. Act...

NCSC Feed

Setting direction for the UK's migration to post-quantum cryptography. Why the key milestones for PQC migration are part of building and maintaining good cyber security practice.

Setting direction for the UK's migration to post-quantum cryptography. Why the key mile... Setting direction for the UK's migration to post-quantum ...

NCSC Feed

Supplier assurance questions. Questions to ask your suppliers that will help you gain confidence in their cyber security.

Supplier assurance questions. Questions to ask your suppliers that will help you gain c... Supplier assurance questions. Questions to ask your suppl...

NCSC Feed

Social media: protecting what you publish. How to reduce the likelihood of unauthorised content appearing within your organisation's social media channels.

Social media: protecting what you publish. How to reduce the likelihood of unauthorised... Social media: protecting what you publish. How to reduce ...

NCSC Feed

Social Media: how to use it safely. Use privacy settings across social media platforms to manage your digital footprint.

Social Media: how to use it safely. Use privacy settings across social media platforms ... Social Media: how to use it safely. Use privacy settings ...

NCSC Feed

Smart devices: using them safely in your home. Many everyday items are now connected to the internet: we explain how to use them safely.

Smart devices: using them safely in your home. Many everyday items are now connected to... Smart devices: using them safely in your home. Many every...

NCSC Feed

Shopping and paying safely online. Tips to help you purchase items safely and avoid fraudulent websites.

Shopping and paying safely online. Tips to help you purchase items safely and avoid fra... Shopping and paying safely online. Tips to help you purch...

NCSC Feed

Shadow IT. Managing 'unknown assets' that are used within an organisation.

Shadow IT. Managing 'unknown assets' that are used within an organisation. Shadow IT. Managing 'unknown assets' that are used within...

NCSC Feed

Sextortion emails: how to protect yourself. Advice in response to the increase in sextortion scams.

Sextortion emails: how to protect yourself. Advice in response to the increase in sexto... Sextortion emails: how to protect yourself. Advice in res...

NCSC Feed

Setting up 2-Step Verification (2SV). How setting up 2SV can help protect your online accounts, even if your password is stolen.

Setting up 2-Step Verification (2SV). How setting up 2SV can help protect your online a... Setting up 2-Step Verification (2SV). How setting up 2SV ...

NCSC Feed

Securing your devices. How to ensure your devices are as secure as possible.

Securing your devices. How to ensure your devices are as secure as possible. Securing your devices. How to ensure your devices are as ...

NCSC Feed

Secure sanitisation and disposal of storage media. How to ensure data cannot be recovered from electronic storage media.

Secure sanitisation and disposal of storage media. How to ensure data cannot be recover... Secure sanitisation and disposal of storage media. How to...

NCSC Feed

Secure communications principles. Guidance to help you assess the security of voice, video and messaging communication services.

Secure communications principles. Guidance to help you assess the security of voice, vi... Secure communications principles. Guidance to help you as...

NCSC Feed

Scam 'missed parcel' SMS messages: advice on avoiding malware. How to avoid malware sent using scam ‘missed parcel’ SMS messages, and what to do if your phone is already infected.

Scam 'missed parcel' SMS messages: advice on avoiding malware. How to avoid malware sen... Scam 'missed parcel' SMS messages: advice on avoiding mal...

NCSC Feed

ROCA: Infineon TPM and Secure Element RSA Vulnerability Guidance. Guidance for those who want to understand and reduce the impact of the ROCA vulnerability.

ROCA: Infineon TPM and Secure Element RSA Vulnerability Guidance. Guidance for those wh... ROCA: Infineon TPM and Secure Element RSA Vulnerability G...

NCSC Feed

Responding to a cyber incident – a guide for CEOs. Guidance to help CEOs in public and private sector organisations manage a cyber incident.

Responding to a cyber incident – a guide for CEOs. Guidance to help CEOs in public and ... Responding to a cyber incident – a guide for CEOs. Guidan...

NCSC Feed

Reducing data exfiltration by malicious insiders. Advice and recommendations for mitigating this type of insider behaviour.

Reducing data exfiltration by malicious insiders. Advice and recommendations for mitiga... Reducing data exfiltration by malicious insiders. Advice ...

NCSC Feed

Recovering a hacked account. A step by step guide to recovering online accounts.

Recovering a hacked account. A step by step guide to recovering online accounts. Recovering a hacked account. A step by step guide to reco...

NCSC Feed

Putting staff welfare at the heart of incident response. Guidance for staff responsible for managing a cyber incident response within their organisation.

Putting staff welfare at the heart of incident response. Guidance for staff responsible... Putting staff welfare at the heart of incident response. ...

NCSC Feed

Provisioning and securing security certificates. How certificates should be initially provisioned, and how supporting infrastructure should be securely operated.

Provisioning and securing security certificates. How certificates should be initially p... Provisioning and securing security certificates. How cert...

NCSC Feed

Protective DNS for the private sector. Advice on the selection and deployment of Protective Domain Name Systems (DNS).

Protective DNS for the private sector. Advice on the selection and deployment of Protec... Protective DNS for the private sector. Advice on the sele...

NCSC Feed

Protecting SMS messages used in critical business processes. Security advice for organisations using text messages to communicate with end users.

Protecting SMS messages used in critical business processes. Security advice for organi... Protecting SMS messages used in critical business process...

NCSC Feed

Private Branch Exchange (PBX) best practice. Protecting your organisation’s telephony systems from cyber attacks and telecoms fraud.

Private Branch Exchange (PBX) best practice. Protecting your organisation’s telephony s... Private Branch Exchange (PBX) best practice. Protecting y...

NCSC Feed

Preventing Lateral Movement. Guidance for preventing lateral movement in enterprise networks.

Preventing Lateral Movement. Guidance for preventing lateral movement in enterprise networks. Preventing Lateral Movement. Guidance for preventing late...

NCSC Feed

Phishing attacks: defending your organisation. How to defend your organisation from email phishing attacks.

Phishing attacks: defending your organisation. How to defend your organisation from ema... Phishing attacks: defending your organisation. How to def...

NCSC Feed

Penetration testing. How to get the most from penetration testing.

Penetration testing. How to get the most from penetration testing. Penetration testing. How to get the most from penetration...

NCSC Feed

Pattern: Safely Importing Data. An architecture pattern for safely importing data into a system from an external source.

Pattern: Safely Importing Data. An architecture pattern for safely importing data into ... Pattern: Safely Importing Data. An architecture pattern f...

NCSC Feed

Operational technologies. Making sense of cyber security in OT environments.

Operational technologies. Making sense of cyber security in OT environments. Operational technologies. Making sense of cyber security ...

NCSC Feed

Online gaming for families and individuals. How to enjoy online gaming securely by following just a few tips.

Online gaming for families and individuals. How to enjoy online gaming securely by foll... Online gaming for families and individuals. How to enjoy ...

NCSC Feed

Network security fundamentals. How to design, use, and maintain secure networks.

Network security fundamentals. How to design, use, and maintain secure networks. Network security fundamentals. How to design, use, and ma...

NCSC Feed