Security Architecture Review & Threat Modeling

A security architecture review examines how your systems are designed, before or after they are built, to find weaknesses that testing alone may miss. Combined with structured threat modeling, it shows where attackers would strike and which controls matter most, so security is built in rather than bolted on.

What We Review

• Application architecture: authentication, authorisation, session and data flows.
• Cloud architecture: identity, network design, encryption and logging on AWS, Azure and GCP.
• Microservices and APIs: trust boundaries and service-to-service security.
• Data protection: storage, encryption, key management and data residency.
• Third-party integrations and supply chain risks.

Our Approach

We run workshops with your architects and engineers, review design documents and diagrams, and build threat models using recognised methods such as STRIDE. Threats are ranked by likelihood and impact, and each one is mapped to concrete design changes or controls.

What You Get

• A threat model of your system with prioritised risks.
• Architecture findings and practical design recommendations.
• A security requirements checklist for your development team.
• Optional follow-up testing once the design is implemented.

Why Offensium Vault

• An attacker’s perspective from active penetration testers.
• Practical recommendations that fit your stack and budget.
• ISO 27001 and ISO 9001 certified processes with strict confidentiality.

Read more about threat modeling in our guides on cloud threat modeling and threat modeling for financial institutions, or see threat and risk analysis.

Frequently Asked Questions

When is the best time for an architecture review?

Ideally during design, when changes are cheapest. Reviews of existing systems are also valuable before major changes or audits.

What is threat modeling?

A structured way to identify what could go wrong in a system, who might attack it and how, and which controls reduce the risk most effectively.

Do you need access to our code?

Not usually. Architecture reviews rely on diagrams, documentation and workshops. Code review is available separately.

Get a Quote

Tell us about your environment and timelines and we will send a clear, fixed-scope proposal. Contact Offensium Vault or book a free call with our team.