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Source: National Cyber Security Centre Filter zurücksetzen

09.02.2026

Improving your response to vulnerability management

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How to ensure the ‘organisational memory’ of past vulnerabilities is not lost.

06.02.2026

Eradicating trivial vulnerabilities, at scale

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A new NCSC research paper aims to reduce the presence of ‘unforgivable’ vulnerabilities.

06.02.2026

Thanking the vulnerability research community with NCSC Challenge Coins

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Reflecting on the positive impact of the Vulnerability Reporting Service – and introducing something new for selected contributors.

Worth to know

20.10.2025

Short Selling Radar

USA, Europe, Asia

Track Short Selling Activities worldwide

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Knowing what matters

Short sale statistics, hedge fund activities and much more user-friendly information

02.02.2026

Cloud Security Posture Management: silver bullet or another piece in the cloud puzzle?

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CSPM tools are big business. Could they be the answer to your cloud configuration problems?

Swarmalpha i/o · The Event Futures Prediction X

23.01.2026

29.01.2026

One small step for Cyber Resilience Test Facilities, one giant leap for technology assurance

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CRTFs are helping organisations to make informed, risk-based decisions on the adoption of technology products.

14.01.2026

Designing safer links: secure connectivity for operational technology

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New principles help organisations to design, review, and secure connectivity to (and within) OT systems.

07.01.2026

The Government Cyber Action Plan: strengthening resilience across the UK

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With GCAP, the UK government is taking decisive steps towards a safer, more resilient future.

17.12.2025

Home working: preparing your organisation and staff

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How to make sure your organisation is prepared for home working.

17.12.2025

Data breaches: guidance for individuals and families

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How to protect yourself from the impact of data breaches

17.12.2025

Sextortion emails: how to protect yourself

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Advice in response to the increase in sextortion scams

16.12.2025

Drawing good architecture diagrams

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Some tips on good diagram drafting and pitfalls to avoid when trying to understand a system in order to secure it.

15.12.2025

Mitigating malware and ransomware attacks

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How to defend organisations against malware or ransomware attacks.

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20.10.2025

15.12.2025

Cyber deception trials: what we’ve learned so far

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An update on the NCSC's trials to test the real-world efficacy of cyber deception solutions.

08.12.2025

Shopping and paying safely online

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

08.12.2025

How to recover an infected device

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Advice for those concerned a device has been infected.

08.12.2025

Recovering a hacked account

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A step by step guide to recovering online accounts.

08.12.2025

Early Years practitioners: using cyber security to protect your settings

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How to protect sensitive information about your setting and the children in your care from accidental damage and online criminals.

08.12.2025

How to spot scammers claiming to be from the NCSC

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Check that you're talking to a genuine NCSC employee, and not a criminal.

08.12.2025

Using IPsec to protect data

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Guidance for organisations wishing to deploy products that use IPsec.

08.12.2025

Prompt injection is not SQL injection (it may be worse)

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There are crucial differences between prompt and SQL injection which – if not considered – can undermine mitigations.

08.12.2025

Using TLS to protect data

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Recommended profiles to securely configure TLS for the most common versions and scenarios, with additional guidance for managing older versions.

08.12.2025

A method to assess 'forgivable' vs 'unforgivable' vulnerabilities

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Research from the NCSC designed to eradicate vulnerability classes and make the top-level mitigations easier to implement.

08.12.2025

Provisioning and managing certificates in the Web PKI

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How service owners should securely provision and manage certificates in the Web PKI.

08.12.2025

Updating our guidance on security certificates, TLS and IPsec

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The NCSC has updated 3 key pieces of cryptographic guidance. Here, we explain the changes.

03.12.2025

Building trust in the digital age: a collaborative approach to content provenance technologies

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Joint NCSC and Canadian Centre for Cyber Security primer helps organisations understand emerging technologies that can help maintain trust in their public-facing information.

02.12.2025

What makes a responsible cyber actor: introducing the Pall Mall industry consultation on good practice

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Calling vulnerability researchers, exploit developers and others in the offensive cyber industry to share their views.

27.11.2025

It's time for all small businesses to act

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The NCSC’s Cyber Action Toolkit helps you to protect your business from online attacks.

27.11.2025

NCSC handing over the baton of smart meter security: a decade of progress

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Why transferring the Commercial Product Assurance scheme to industry ownership marks an important milestone.

24.11.2025

Choosing a managed service provider (MSP)

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An SME’s guide to selecting and working with managed service providers.

11.11.2025

Cyber Security and Resilience Policy Statement to strengthen regulation of critical sectors

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New proposals will combat the growing threat to UK critical national infrastructure (CNI).

11.11.2025

Cyber Action Toolkit: breaking down the barriers to resilience

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How the NCSC’s ‘Cyber Action Toolkit’ is helping small businesses to improve their cyber security.

05.11.2025

NCSC to retire Web Check and Mail Check

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By 31 March 2026, organisations should have alternatives to Mail Check and Web Check in place.

04.11.2025

External attack surface management (EASM) buyer's guide

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A guide to choosing the right EASM product for your organisation, and the security features you need to consider.

28.10.2025

EASM buyer's guide now available

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How to choose an external attack surface management (EASM) tool that’s right for your organisation.

21.10.2025

Cyber security is business survival

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

14.10.2025

There's a hole in my bucket

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...or 'Why do people leave sensitive data in unprotected AWS S3 buckets?'

14.10.2025

Maintaining a sustainable strengthened cyber security posture

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How organisations can avoid staff burnout during an extended period of heightened cyber threat.

14.10.2025

Phishing attacks: defending your organisation

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How to defend your organisation from email phishing attacks.

08.10.2025

Getting your organisation ready for Windows 11 upgrade before Autumn 2025

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Why you should act now to ensure you meet the new hardware standards, and prioritise security.

08.10.2025

Strengthening national cyber resilience through observability and threat hunting

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How organisations can improve their ability to both detect and discover cyber threats.

07.10.2025

RFC 9794: a new standard for post-quantum terminology

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The NCSC’s contribution to the Internet Engineering Task Force will help to make the internet more secure.

01.10.2025

Moving your business from the physical to the digital

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Security questions to ask your IT service providers when considering a digital transition

30.09.2025

Putting staff welfare at the heart of incident response

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Guidance for staff responsible for managing a cyber incident response within their organisation.

29.09.2025

Understanding your OT environment: the first step to stronger cyber security

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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.

11.09.2025

Buying, selling and donating second-hand devices

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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).

09.09.2025

Cyber resilience matters as much as cyber defence

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Why planning and rehearsing your recovery from an incident is as vital as building your defences

02.09.2025

From bugs to bypasses: adapting vulnerability disclosure for AI safeguards

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Exploring how far cyber security approaches can help mitigate risks in generative AI systems

29.08.2025

Social Media: how to use it safely

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Use privacy settings across social media platforms to manage your digital footprint.

18.08.2025

"If you have knowledge, let others light their candles in it."

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Why sharing lessons learned from cyber security incidents and ‘near misses’ will help everyone to improve

13.08.2025

Why more transparency around cyber attacks is a good thing for everyone

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Eleanor Fairford, Deputy Director of Incident Management at the NCSC, and Mihaela Jembei, Director of Regulatory Cyber at the Information Commissioner’s Office (ICO), reflect on why it’s so concerning when cyber attacks go unreported – and look at some of the misconceptions about how organisations respond to them.

13.08.2025

Ransomware: 'WannaCry' guidance for enterprise administrators

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Guidance for enterprise administrators who want to reduce the likelihood of being held to ransom by WannaCry (or other types of ransomware).

12.08.2025

Cyber security for high profile conferences

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Managing the cyber security of high profile events in the real and virtual worlds.

07.08.2025

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

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Updates to the CAF helps providers of essential services to better manage their cyber risks.

07.08.2025

Actions to take when the cyber threat is heightened

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When organisations might face a greater threat, and the steps to take to improve security.

05.08.2025

What is an antivirus product? Do I need one?

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Detect and prevent malicious software and viruses on your computer or laptop.

04.08.2025

Active Cyber Defence (ACD) - the fourth year

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The year four report covers 2020 and aims to highlight the achievements and efforts made by the Active Cyber Defence programme.

04.08.2025

Active Cyber Defence (ACD) - The Third Year

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The year three report covers 2019 and aims to highlight the achievements and efforts made by the Active Cyber Defence programe.

29.07.2025

Incidents impacting retailers – recommendations from the NCSC

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A joint blog post by the NCSC’s National Resilience Director, Jonathon Ellison, and Chief Technology Officer, Ollie Whitehouse.

15.07.2025

'NCSC Cyber Series' podcast now available

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Listen to all five episodes now, covering a wide range of cyber security topics.

25.06.2025

Creating the right organisational culture for cyber security

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Calling cyber security professionals, culture specialists and leaders to drive uptake of new Cyber security culture principles.