Fintech Payments Platform Hardening
Tightening secrets, pipelines, and runtime controls for a card-present and online stack
The Challenge
Long-lived credentials and shared service accounts in legacy microservices
PCI scope creep from overlapping environments and ad-hoc debugging access
Inconsistent artifact promotion and manual change windows
Third-party processors requiring evidence of secure SDLC practices
Our Solution
Introduced short-lived tokens, workload identity, and centralized secrets rotation
Refined environment boundaries with stricter network policies and egress controls
Standardized build, sign, and promote flows with immutable artifacts
Added DAST and dependency governance gates with exception workflows
Packaged evidence collection for SOC 2 and PCI assessors
Measurable Impact
Improved
Critical paths no longer relied on static keys in configuration repos
Maintained
Teams kept weekly trains while controls moved earlier in the pipeline
Faster
Sampled evidence pulled from systems of record instead of spreadsheets
Higher
Security questionnaires answered with concrete architecture and process detail
"We had to prove maturity to banks and processors. The work was concrete—fewer exceptions, clearer ownership, and pipelines we could explain."
Technology stack
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