Cyber Security Services

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NCSC Assured Service Provider — Cyber Resilience Audit

Understand your resilience

Assurance that informs action.

Understand your organisation’s ability to resist, detect and respond to cyber threats. Our Cyber Resilience Audit identifies strengths and opportunities to improve technology, policies, training and processes. Oxford Systems is an Assured Service Provider for the NCSC Cyber Resilience Audit scheme.

Cyber Resilience Audit ↗
Security specialist reviewing a testing environment

Penetration Testing Services

Identify vulnerabilities in your systems, applications and infrastructure before they can be exploited. Our specialists validate findings and explain their severity and business impact, with clear advice to help you prioritise fixes and strengthen your cyber defences.

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Illustrative photo of a specialist assessing a smartphone application alongside a laptop

Mobile Application Penetration Testing

Assess Android and iOS apps and supporting APIs for weaknesses in data protection, authentication, platform integration and business logic. Receive validated findings, clear business priorities and practical remediation advice, with retesting to confirm fixes.

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Illustrative photo of an IT specialist reviewing cloud infrastructure configuration

Cloud Configuration Security Audit

Identify misconfigurations, insecure defaults and weaknesses in your AWS, Azure or Google Cloud environment. Our audit gives you prioritised findings, business impact and practical remediation steps to help your engineering teams strengthen cloud security.

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Business specialists reviewing cyber due diligence

Cyber Security M&A Audit & Review Service

Make cyber risk part of your merger or acquisition decisions. Our specialist review examines vulnerabilities, compliance and governance issues that could create hidden costs or integration challenges, translating technical findings into business and financial consequences to support valuation and negotiation.

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Reviewing software code on a laptop

Software Licensing Security Assessment

Test how well your software’s licensing and protection logic stands up to attempts to bypass it. Our security specialists replicate likely reverse-engineering approaches and report what was achieved, how it was achieved and ways to strengthen your application’s protection against piracy.

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Illustrative scene of an IT specialist reviewing user accounts and password audit findings

Active Directory Password Audit

Identify weak passwords and patterns across your organisation’s Active Directory accounts. Our recurring audit helps your IT and security teams prioritise password changes, improve password policy and target staff awareness training with evidence from your own environment.

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Cyber Essentials Assessor

Cyber Essentials

Cyber Essentials is a government-backed scheme that helps organisations protect themselves against common cyber attacks. We support your assessment and certification, helping you demonstrate to customers, business partners and regulators that you take cyber security seriously.

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Cyber security planning and prioritisation

Cyber Roadmap

Turn cyber security challenges into practical business priorities. Our team assesses your organisation’s needs, identifies its major cyber risks and helps determine a cost-effective approach to protecting information, with a clear pathway for investment and improvement.

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