We help demystify cyber security.

It’s not about cyber security, it’s about the security of your staff, your customers and your business.

Your security is our priority.

Established in early 2018, Precursor have grown rapidly to become a leading Cyber Security provider. Based in the UK, we provide a wide range of security services including Penetration Testing, Cloud Security, Continuous Security Testing, Adversarial Emulation, End Point Detection and Response, Backup & Restore solutions and much more.

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We support you along every step.

In addition to our technical capabilities we are acutely aware of the need for exceptional customer care. Throughout each engagement access to CREST qualified technical resource is provided from initial contact, through to test exit and aftercare. As a result, Precursor’s client base has grown significantly across virtually every business sector.

Young man doing meeting. Next to him is a cup of coffee.

Unmatched expertise and quality.

We are a CREST member and hold international recognition for penetration testing, incident response, and threat intelligence. As a G-Cloud 12 framework supplier, we support the public sector's commercial value goals. Additionally, as a Trusted Partner of the North East Business Resilience Centre, we collaborate to safeguard businesses from cyber threats, backed by police and public-private partnerships.

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Let's see what we can offer to help protect your organisation.

We believe that every business deserves protection from cyber threats - and that is especially true for our neighbours. Contact us and let us know that you’re a local business in the Leeds area. We’re more than happy to help put a package of services together just for you.

Penetration Testing

Our team of CREST certified Offensive Security experts can test your organisation's susceptibility and resistance to attackers with malicious intent.

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Security Operations Center

Protect your whole organisation from threats with a 24/7 managed defence and response service provided by Precursor's Security Operations Center.

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Compliance Services

Ensure legal compliance with Security Compliance services: Cyber Essentials, Cyber Essentials+ testing, PCI DSS, and ISO 27001 certifications for your organization.

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Secure your Cloud

It's not your service provider's responsibility to secure and back-up your cloud services - it's yours. Review your cloud security for Microsoft 365, Microsoft Azure and Amazon AWS now.

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Incidence Response

A vital service provided by Precursor to swiftly identify, manage, and mitigate security breaches or cyber incidents, ensuring a prompt and effective resolution.

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Our Certifications

We invest in security certifications for a good reason - your security.

CREST icon

CREST Certified

We invest in official certification from the Council of Registered Ethical Security Testers (CREST) - the primary not-for-profit accreditation body for the cyber security industry, solidifying our commitment to excellence.

Cyber Essentials

Precursor are an IASME accredited Certification Body and expert in helping you achieve Cyber Essentials and Cyber Essentials Plus certification for your business.

ISO27001 Certification

We are UKAS Accredited for ISO 27001 Information Security Management Systems, reinforcing our commitment to maintaining the highest standards in information security.

Crown Service Supplier

We proudly serve as a pre-approved supplier to large public sector organisations, delivering top-tier security services and products to multitude of government institutions.

Offensive Security Certifications

Offensive security certifications are the best defence. We use the same tools and approaches as real-world attackers in order to keep your organisation protected.

Man at a desk using his laptop.

Your security is our priority.

Established in early 2018, Precursor have grown rapidly to become a leading Cyber Security provider. Based in the UK, we provide a wide range of security services including Penetration Testing, Cloud Security, Continuous Security Testing, Adversarial Emulation, End Point Detection and Response, Backup & Restore solutions and much more.

We support you along every step.

In addition to our technical capabilities we are acutely aware of the need for exceptional customer care. Throughout each engagement access to CREST qualified technical resource is provided from initial contact, through to test exit and aftercare. As a result, Precursor’s client base has grown significantly across virtually every business sector.

Two people working together and looking at the same phone.
People working in an office.

Unmatched expertise and quality.

We are a CREST member and hold international recognition for penetration testing, incident response, and threat intelligence. As a G-Cloud 12 framework supplier, we support the public sector's commercial value goals. Additionally, as a Trusted Partner of the North East Business Resilience Centre, we collaborate to safeguard businesses from cyber threats, backed by police and public-private partnerships.

What we do.

We are Precursor Security and we are at the forefront of revolutionising the way your organisation is protected against the ever-changing cyber environment. We provide a variety of solutions which aid to secure your organisation. Take a look below:

Hacker icon
Penetration Testing

Our team of CREST certified Offensive Security experts can test your organisation's susceptibility and resistance to attackers with malicious intent.

Learn More
Computer with magnifying glass hovering over it, indicating searching for something.
Security Operations Centre

Protect your whole organisation from threats with a 24/7 managed defence and response service provided by Precursor's Security Operations Centre.

Learn More
Certificate and approval icon
Compliance Services

Ensure legal compliance with Security Compliance services: Cyber Essentials, Cyber Essentials+ testing, PCI DSS, and ISO 27001 certifications for your organisation.

Learn More
Cloud security icon
Secure your Cloud

It's not your service provider's responsibility to secure and back-up your cloud services - it's yours. Review your cloud security for Microsoft 365, Microsoft Azure and Amazon AWS now.

Learn More
Rapid response icon
Incident Response

A vital service provided by Precursor to swiftly identify, manage, and mitigate security breaches or cyber incidents, ensuring a prompt and effective resolution.

Learn More

Our Certifications

We invest in security certifications for a good reason - your security.

Why choose us?

Choose Precursor Security for penetration testing excellence—where industry-leading expertise, CREST accreditation, and a client-focused approach converge to fortify your digital defences with precision and reliability.