Security Testing & Assessments
Cybersecurity is a multi-layered, cross-organisation effort spanning hundreds of practices. The cost of a weak link escalates fast — from expensive repairs to brand damage and compliance fines. GMC’s assessments give you certainty at every layer, from code to cloud to network architecture.
No single test tells the whole story. A hardened server behind a vulnerable web application is still exposed; secure code deployed on a weak architecture is still at risk. GMC assesses each layer of your environment and, just as importantly, how those layers interact — because attackers exploit the seams between systems, not just the systems themselves.
Our testing follows established standards — the OWASP Testing Guide and ASVS for applications, the PTES for infrastructure, and structured threat-modelling methods such as STRIDE for design reviews. This rigour means findings are reproducible, coverage is measurable, and nothing important is left to chance.
Each assessment produces a report calibrated to its audience: a concise executive summary for decision-makers and precise, reproducible detail for the teams doing the fixing. We rate every finding by risk and give you a remediation path you can actually follow.
Web Application Security Testing
Build tough web applications with custom-made security testing methodologies aligned to OWASP.
Secure Code Review
Work with experts in almost any language to find and mitigate costly threats before code ships.
Design Review
Ensure your underlying system design is secure from vulnerabilities, based on proven methodologies.
Architecture Review
Protect your network architecture with an in-depth audit and review by industry experts.
Threat Modelling
Secure your assets from every angle with battle-hardened threat modelling mapped by GMC’s experts.
Risk Assessment
Reduce the risk of costly malicious attacks with a full risk assessment by world-leading experts.
Mobile Penetration Test
Protect your iOS and Android applications with mature, custom testing methodologies.
Cloud Security
Protect your cloud environments from costly cyberattacks and misconfiguration.
Hardening Review
Secure your systems against costly attack vectors with a full hardening review by experts.
Hardening Procedures
Reduce your attack surface and mitigate vulnerabilities with systems hardening refined by our experts.
Questions, answered
What is the difference between a vulnerability assessment and a penetration test?+
A vulnerability assessment identifies and catalogues known weaknesses, usually with automated tooling and broad coverage. A penetration test goes further: a consultant actively exploits weaknesses to prove real impact and uncover issues automation misses. Most organisations benefit from both.
Which standards do you test against?+
We align to the OWASP Testing Guide and ASVS for applications, the PTES for infrastructure, and STRIDE for threat modelling — supplemented by our own methodologies refined across many engagements.
Can you review code without slowing down our developers?+
Yes. We integrate secure code review into your existing development workflow, focusing on high-risk components first and delivering findings in a form your engineers can act on directly.
Talk to us about security testing & assessments
Talk to GMC’s experts and get a clear road map — delivered on time and within budget.