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SaaS Startup Secures Investor Confidence

About the Client

Our client was a rapidly growing SaaS company specializing in workflow automation for enterprise clients. As they prepared for a Series A funding round, several potential investors required third-party verification of the company’s cybersecurity posture. With limited in-house security maturity, leadership turned to Zymr for a comprehensive cloud penetration test and security roadmap.

This engagement wasn’t just about finding vulnerabilities, it was about establishing credibility. Investors needed proof that the platform could scale securely.

Key Outcomes

Improved audit readiness for SOC 2 certification.
Reduced cloud costs by removing redundant resources discovered during assessment.

Business Challenges

Cloud Infrastructure Complexity
The startup’s AWS deployment grew organically, resulting in inconsistent configurations, hardcoded credentials, and overlapping IAM policies.

IAM Permission Mismanagement
Overprivileged IAM roles granted broad administrative rights, including the ability to modify S3 bucket ACLs.

Data Exposure Risks
Several S3 buckets contained sensitive customer data without proper encryption or public access restrictions.

Unsecured APIs
Testing revealed injection-prone endpoints lacking proper validation and rate limiting.

Privacy Risks in Development
Production data was mirrored in dev environments for testing, exposing real user information to internal staff.

The startup’s challenge was balancing rapid innovation with enterprise-grade security, critical for both funding and customer trust.

(Section wrap-up)
The infrastructure worked, but it wasn’t hardened. Security debt had quietly accumulated during rapid growth, threatening the company’s next stage.

Business Impacts / Key Results Achieved

Zymr helped the SaaS startup transform investor scrutiny into validation. The completed assessment accelerated funding, opened enterprise sales doors, and positioned the company as a trustworthy SaaS provider.

Security went from a compliance checkbox to a core business enabler, proving that maturity and agility can coexist even in high-speed startup environments.

  • 22 vulnerabilities remediated across cloud and app layers.

  • 100% IAM compliance achieved via least-privilege restructuring.

  • All data storage encrypted; no public S3 exposure.

  • Secure CI/CD pipelines established.

  • Investors received a clean third-party security attestation, facilitating successful Series A closure.

Security shifted from an investor concern to a selling point. The company could now scale with confidence, backed by credible cybersecurity foundations.

(Section wrap-up)
The proof was in perception, security became part of the startup’s value story, not a risk footnote.

Strategy and Solutions

Zymr performed a full-stack cloud penetration test including external, internal, and API testing along with a governance assessment.

External Testing

  • Simulated black-box attacks on web apps and APIs.

  • Detected injection vulnerabilities and missing input sanitization on key endpoints.

  • Verified exposed metadata services that could leak IAM credentials.

Cloud Configuration Review

  • Mapped IAM roles and privileges, finding 22 accounts with elevated admin rights.

  • Identified public S3 buckets with sensitive data.

  • Recommended least-privilege policies and bucket-level encryption with access logging.

API and Application Testing

  • Validated API authentication tokens.

  • Enforced request throttling and IP whitelisting.

  • Implemented centralized secrets management using AWS Secrets Manager.

Development Hygiene

  • Enforced separation between production and non-production data.

  • Built CI/CD integration with static code analysis and secrets scanning.

Zymr’s approach was pragmatic: prioritize fixes that reduced the most risk fastest, then institutionalize security through automation and developer enablement.

The engagement combined deep technical testing with cloud governance design, transforming ad hoc security into continuous assurance.

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