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we45 is a specialised product security and application security engineering firm that helps high-velocity engineering teams design, build and run secure-by-default software across cloud-native and AI-native environments. The organisation delivers services in DevSecOps and security automation implementation and management, Threat Modeling and Security Architecture Consulting, Threat Modeling as a Service (TMaaS), AI security services (including AI model and GenAI stack security testing, AI security architecture review and Model Context Protocol security assessments), and application security testing for web, API, mobile and containerised workloads.

In addition to its consulting practice, we45 builds and operates SecurityReview.ai, an AI-native threat modeling and security design review platform that turns real product and architecture documentation into standards-aligned, audit-ready threat models and security reviews, enabling clients to scale consistent, repeatable security governance across their SDLC.