SECURITY

Q-Trust Plane — Security Policy & Disclosure
Document: Security & Responsible Disclosure (SaaS)
Version: 1.0
Applies to: Q-Trust Plane (Hosted SaaS & Enterprise Deployments)

1. Security Philosophy

Q-Trust Plane is designed as a high-assurance security product for environments where:

• authorization failures are catastrophic
• auditability must be cryptographically provable
• Web3 governance cannot rely on trust alone
• compliance and forensic reconstruction are mandatory

Security is treated as a first-class product feature, not an afterthought.

2. System Classification

Q-Trust Plane is a closed-source, proprietary SaaS, offered in:

• Hosted SaaS (Multi-Tenant)
• Dedicated Enterprise Deployment
• Private Cloud / On-Prem (Contractual)

Access to source code, internals, and cryptographic material is strictly controlled.

3. Secure Development Practices

3.1 Engineering Practices

• Security-first architecture (Zero-Trust, default deny)
• Deterministic authorization logic
• Minimal trusted computing base
• Explicit trust boundaries
• No reliance on long-lived credentials

3.2 Code Quality & Review

• Mandatory peer review for all changes
• Security review for:
  • policy engine changes
  • cryptographic code
  • anchoring logic
• Static analysis and linting in CI
• Mandatory test coverage for:
  • policy evaluation
  • grant issuance
  • evidence canonicalization

4. Cryptographic Controls

4.1 Key Management

• Keys never leave the control plane
• Signing operations mediated via policy and grants
• Separation of keys by:
  • tenant
  • environment
  • action class
• Optional HSM / TEE / MPC for enterprise deployments

4.2 Algorithms

• Hashing: SHA-256 / Keccak-256 (domain-separated)
• Signatures (hybrid):
  • Classical: Ed25519 / secp256k1
  • Post-Quantum: Dilithium / Falcon
• Cryptographic agility supported via abstraction layers

5. Infrastructure Security

5.1 Network Security

• TLS everywhere (mTLS internally where applicable)
• Strict ingress/egress controls
• IP allowlisting for sensitive operations (optional)
• Rate limiting and abuse detection

5.2 Isolation

• Strong tenant isolation
• Separate key material per tenant
• Evidence and policy data segregated by tenant
• Salting for all cryptographic commitments

6. Authorization & Access Control

• Zero-Trust model
• No implicit admin privileges
• All critical actions require:
  • explicit policy allow
  • short-lived grant
  • evidence generation
• Deny-wins policy resolution
• Multi-approval requirements for high-risk actions

7. Auditability & Integrity

• All authorization decisions are recorded
• Evidence is:
  • hash-chained
  • signed
  • anchored on-chain
• External auditors can verify integrity independently
• No mutable audit logs

8. Incident Response

8.1 Detection

• Continuous monitoring of:
  • abnormal authorization patterns
  • repeated denials
  • failed evidence submissions
  • anchoring failures

8.2 Response

• Immediate revocation/quarantine of affected subjects
• Forced key rotation when required
• Policy lockdown for impacted tenants
• Forensic analysis using anchored evidence

8.3 Communication

• Customers notified according to contractual SLAs
• Incident details shared on a need-to-know basis
• Root cause analysis provided for verified incidents

9. Vulnerability Reporting (Controlled Disclosure)

Q-Trust Plane does not operate a public bug bounty program.

Security vulnerabilities must be reported through private, authenticated channels.

Reporting process:

• Contact provided to enterprise customers contractually
• Reports must include:
  • description of the issue
  • reproduction steps
  • potential impact
• Do not publicly disclose vulnerabilities without explicit authorization

Unauthorized disclosure may result in legal action.

10. Compliance & Assurance

Depending on deployment and contract:

• Internal security audits
• Third-party audits (upon agreement)
• Cryptographic design reviews
• Penetration testing (controlled scope)

11. Customer Responsibilities

Customers are responsible for:

• correct policy configuration
• proper approval group management
• secure CI/CD practices
• safeguarding their identity providers
• secure operation of their target systems

Q-Trust Plane enforces governance but does not replace operational discipline.

12. Security Contact

Security communications are handled privately and contractually.

Security is not openness.
Security is controlled verification.