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CIPHERSTASH / SOLUTIONS

Domain Solution · Compliance & Audit

How do we reduce PCI, privacy, and regulatory exposure without slowing product delivery?

CipherStash shrinks compliance scope by making sensitive fields unreadable everywhere except authorised decryption points, with a cryptographic audit trail to evidence it. It deploys over your existing Postgres stack — no re-platforming project, no migration freeze.

Refined Question

PCI DSS, GDPR, HIPAA, and customer contracts all demand demonstrable control over sensitive data, but every control we evaluate looks like a quarter of lost roadmap. How do we materially reduce regulatory exposure without stopping delivery to do it?

Why This Matters

Compliance scope follows plaintext: every system that can read cardholder or personal data is in scope for audit, evidence, and liability. Shrinking that scope by re-architecting is slow and expensive; not shrinking it means audits keep growing as the stack does.

Why CipherStash

CipherStash encrypts regulated fields at the application layer, leaving downstream systems holding ciphertext and largely out of plaintext scope. Decryption policies and the audit trail give assessors direct, verifiable evidence of who can and did access what.

This allows:

  • Plaintext scope to collapse to the decryption points you define
  • Encryption, access control, and audit evidence to come from one control
  • Existing Postgres, ORMs, and pipelines to stay in place
  • Engineering to keep shipping while the compliance posture improves

Key Differentiators

  • Cryptographic auditability — a verifiable record of who decrypted what, and when
  • Identity-aware decryption — every decryption is bound to the identity behind the request
  • Application-layer encryption — data is protected before it reaches the database
  • Searchable encryption — equality, range, and free-text queries over encrypted Postgres fields, with standard indexes
  • No re-platforming — works over the Postgres you already run

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