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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...

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

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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. ...

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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...

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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...

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

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NCSC advice: Malicious software used to illegally mine cryptocurrency. Guidance for members of the public, website administrators and JavaScript developers in relation to the recently publicised cryptocurrency mining compromises of several websites.

NCSC advice: Malicious software used to illegally mine cryptocurrency. Guidance for mem... NCSC advice: Malicious software used to illegally mine cr...

NCSC Feed

NCSC advice for Dixons Carphone plc customers. Advice for Dixons Carphone customers following its data breach.

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NCSC Feed

NCSC advice on the use of equipment from high risk vendors in UK telecoms networks. The NCSC's guidance for the risk management of high risk vendors in telecommunications networks.

NCSC advice on the use of equipment from high risk vendors in UK telecoms networks. The... NCSC advice on the use of equipment from high risk vendor...

NCSC Feed

NCSC advice for Marriott International customers. Advice for customers of Marriott International following the reports of a data breach.

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NCSC Feed

Moving your business from the physical to the digital. Security questions to ask your IT service providers when considering a digital transition.

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NCSC Feed

Mitigating malware and ransomware attacks. How to defend organisations against malware or ransomware attacks.

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NCSC Feed

MIKEY-SAKKE frequently asked questions. A brief guide to MIKEY-SAKKE, a protocol that allows organisations to provide secure communications with end-to-end encryption.

MIKEY-SAKKE frequently asked questions. A brief guide to MIKEY-SAKKE, a protocol that a... MIKEY-SAKKE frequently asked questions. A brief guide to ...

NCSC Feed

Mapping your supply chain. How organisations can map their supply chain dependencies, so that risks in the supply chain can be better understood and managed.

Mapping your supply chain. How organisations can map their supply chain dependencies, s... Mapping your supply chain. How organisations can map thei...

NCSC Feed

Managing the risk of cloud-enabled products. Guidance outlining the risks of locally installed products interacting with cloud services, and suggestions to help organisations manage this risk.

Managing the risk of cloud-enabled products. Guidance outlining the risks of locally in... Managing the risk of cloud-enabled products. Guidance out...

NCSC Feed

Managing Public Domain Names. Good practises for the management of public domain names owned by your organisation.

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NCSC Feed

Maintaining a sustainable strengthened cyber security posture. How organisations can avoid staff burnout during an extended period of heightened cyber threat.

Maintaining a sustainable strengthened cyber security posture. How organisations can av... Maintaining a sustainable strengthened cyber security pos...

NCSC Feed

Macro Security for Microsoft Office. Why macros are a threat, and the approaches you can take to protect your systems.

Macro Security for Microsoft Office. Why macros are a threat, and the approaches you ca... Macro Security for Microsoft Office. Why macros are a thr...

NCSC Feed

'Krack' Wi-Fi guidance. Guidance for enterprise administrators, small businesses and home users in relation to the recently published 'Krack' vulnerability in Wi-Fi networks protected by WPA2.

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NCSC Feed

Introduction to logging for security purposes. Laying the groundwork for incident readiness.

Introduction to logging for security purposes. Laying the groundwork for incident readiness. Introduction to logging for security purposes. Laying the...

NCSC Feed

Introduction to identity and access management. This guidance provides a primer on the essential techniques, technologies and uses of access management.

Introduction to identity and access management. This guidance provides a primer on the ... Introduction to identity and access management. This guid...

NCSC Feed

How to spot scammers claiming to be from the NCSC. Check that you're talking to a genuine NCSC employee, and not a criminal.

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NCSC Feed

How to recover an infected device. Advice for those concerned a device has been infected.

How to recover an infected device. Advice for those concerned a device has been infected. How to recover an infected device. Advice for those conce...

NCSC Feed

Home working: preparing your organisation and staff. How to make sure your organisation is prepared for home working.

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NCSC Feed

Guidance on digital forensics and protective monitoring specifications for producers of network devices and appliances. Outlining the expectations for the minimum requirement for forensic visibility, to help network defenders secure organisational networks both before and after a compromise.

Guidance on digital forensics and protective monitoring specifications for producers of... Guidance on digital forensics and protective monitoring s...

NCSC Feed

Guidance for organisations considering payment in ransomware incidents. Advice for organisations experiencing a ransomware attack and the partner organisations supporting them.

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NCSC Feed

Guidance for brands to help advertising partners counter malvertising. Advice to make it harder for cyber criminals to deliver malicious advertising, and reduce the risk of cyber-facilitated fraud.

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NCSC Feed

Guidance following recent DoS attacks in the run up to the 2019 General Election.

Guidance following recent DoS attacks in the run up to the 2019 General Election. Guidance following recent DoS attacks in the run up to th...

NCSC Feed

GDPR security outcomes. This guidance describes a set of technical security outcomes that are considered to represent appropriate measures under the GDPR.

GDPR security outcomes. This guidance describes a set of technical security outcomes th... GDPR security outcomes. This guidance describes a set of ...

NCSC Feed

Effective steps to cyber exercise creation. The following tips can help organisations create their own cyber incident response exercises.

Effective steps to cyber exercise creation. The following tips can help organisations c... Effective steps to cyber exercise creation. The following...

NCSC Feed

Guidance on effective communications in a cyber incident. Supporting organisations of all sizes to manage their communications strategy before, during and after a cyber security incident.

Guidance on effective communications in a cyber incident. Supporting organisations of a... Guidance on effective communications in a cyber incident....

NCSC Feed

Early Years practitioners: using cyber security to protect your settings. How to protect sensitive information about your setting and the children in your care from accidental damage and online criminals.

Early Years practitioners: using cyber security to protect your settings. How to protec... Early Years practitioners: using cyber security to protec...

NCSC Feed

Design Pattern: Safely Exporting Data. How to implement a secure end-to-end data export solution.

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NCSC Feed

Design guidelines for high assurance products. Approaches to the design, development and assessment of products capable of resisting elevated threats.

Design guidelines for high assurance products. Approaches to the design, development an... Design guidelines for high assurance products. Approaches...

NCSC Feed

Dealing with the SolarWinds Orion compromise. Immediate actions for all organisations using the SolarWinds Orion suite of IT management tools.

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NCSC Feed

Data breaches: guidance for individuals and families. How to protect yourself from the impact of data breaches.

Data breaches: guidance for individuals and families. How to protect yourself from the ... Data breaches: guidance for individuals and families. How...

NCSC Feed

Cyber security for major events. Assessing the cyber security needs of major events.

Cyber security for major events. Assessing the cyber security needs of major events. Cyber security for major events. Assessing the cyber secu...

NCSC Feed

Cyber security for high profile conferences. Managing the cyber security of high profil... Cyber security for high profile conferences. Managing the...

NCSC Feed

Cyber security for farmers. Guidance to help farmers improve the security and resilience of their business against cyber threats.

Cyber security for farmers. Guidance to help farmers improve the security and resilienc... Cyber security for farmers. Guidance to help farmers impr...

NCSC Feed

Cyber security for construction businesses. Guidance to help the construction industry improve the security and resilience of their business against cyber threats.

Cyber security for construction businesses. Guidance to help the construction industry ... Cyber security for construction businesses. Guidance to h...

NCSC Feed

Cyber insurance guidance. Cyber security considerations for organisations thinking about taking out cyber insurance.

Cyber insurance guidance. Cyber security considerations for organisations thinking abou... Cyber insurance guidance. Cyber security considerations f...

NCSC Feed

Configuring Microsoft Outlook 365's 'Report Phishing' add-in. How to report emails to the NCSC's Suspicious Email Reporting Service (SERS) using the 'Report Phishing' add-in for Microsoft Outlook 365.

Configuring Microsoft Outlook 365's 'Report Phishing' add-in. How to report emails to t... Configuring Microsoft Outlook 365's 'Report Phishing' add...

NCSC Feed

Buying and selling second-hand devices. How to erase the personal data from your phone, tablets, and other devices (and why it's important when you're buying and selling them).

Buying and selling second-hand devices. How to erase the personal data from your phone,... Buying and selling second-hand devices. How to erase the ...

NCSC Feed

Business email compromise: defending your organisation. How to disrupt email phishing attacks that target senior executives or budget holders.

Business email compromise: defending your organisation. How to disrupt email phishing a... Business email compromise: defending your organisation. H...

NCSC Feed

Business communications - SMS and telephone best practice. How to ensure your organisation's SMS and telephone messages are effective and trustworthy.

Business communications - SMS and telephone best practice. How to ensure your organisat... Business communications - SMS and telephone best practice...

NCSC Feed

Building and operating a secure online service. Guidance for organisations that use, own, or operate an online service who are looking to start securing it.

Building and operating a secure online service. Guidance for organisations that use, ow... Building and operating a secure online service. Guidance ...

NCSC Feed

Engaging with Boards to improve the management of cyber security risk. How to communicate more effectively with board members to improve cyber security decision making.

Engaging with Boards to improve the management of cyber security risk. How to communica... Engaging with Boards to improve the management of cyber s...

NCSC Feed

Authentication methods: choosing the right type. Recommended authentication models for organisations looking to move 'beyond passwords'.

Authentication methods: choosing the right type. Recommended authentication models for ... Authentication methods: choosing the right type. Recommen...

NCSC Feed

Asset management. Implementing asset management for good cyber security.

Asset management. Implementing asset management for good cyber security. Asset management. Implementing asset management for good ...

NCSC Feed

Approaching enterprise technology with cyber security in mind. How organisations can approach enterprise technology in order to deter cyber attacks.

Approaching enterprise technology with cyber security in mind. How organisations can ap... Approaching enterprise technology with cyber security in ...

NCSC Feed

AI and cyber security: what you need to know. Understanding the risks - and benefits - of using AI tools.

AI and cyber security: what you need to know. Understanding the risks - and benefits - ... AI and cyber security: what you need to know. Understandi...

NCSC Feed

Advice for End Users. We recommend that guidance is given to all remote and mobile users on how to keep information on their devices safe and secure.

Advice for End Users. We recommend that guidance is given to all remote and mobile user... Advice for End Users. We recommend that guidance is given...

NCSC Feed

Actions to take when the cyber threat is heightened. When organisations might face a greater threat, and the steps to take to improve security.

Actions to take when the cyber threat is heightened. When organisations might face a gr... Actions to take when the cyber threat is heightened. When...

NCSC Feed

Acquiring, managing, and disposing of network devices. Advice for organisations on the acquisition, management and disposal of network devices.

Acquiring, managing, and disposing of network devices. Advice for organisations on the ... Acquiring, managing, and disposing of network devices. Ad...

NCSC Feed

'Smart' security cameras: Using them safely in your home. How to protect 'smart' security cameras and baby monitors from cyber attack.

'Smart' security cameras: Using them safely in your home. How to protect 'smart' securi... 'Smart' security cameras: Using them safely in your home....

NCSC Feed

A method to assess 'forgivable' vs 'unforgivable' vulnerabilities. Research from the NCSC designed to eradicate vulnerability classes and make the top-level mitigations easier to implement.

A method to assess 'forgivable' vs 'unforgivable' vulnerabilities. Research from the NC... A method to assess 'forgivable' vs 'unforgivable' vulnera...

NCSC Feed