Challenge
A fast-growing SaaS company needed to validate the security of their multi-tenant cloud architecture before onboarding enterprise customers. Their development team had built security controls, but they had never been tested against realistic attack scenarios.
Approach
Crimson7 executed a combined engagement starting with red team testing followed by collaborative purple team exercises:
- Red team phase: targeted the multi-tenant Kubernetes architecture, AWS IAM policies, and CI/CD pipeline
- Identified critical findings and transitioned to purple team mode
- Purple team phase: worked with the engineering team to build cloud-native detections
- Provided architectural recommendations for defense-in-depth improvements
Results
The red team phase uncovered a tenant isolation bypass in the Kubernetes namespace configuration that could have allowed cross-tenant data access. During the purple team phase, 35 cloud-native detection rules were developed for AWS CloudTrail and Kubernetes audit log analysis. Architectural recommendations reduced the overall attack surface by 40%.