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Security Architecture
Zero Trust framework, SOC architecture and compliance audit trail.
1. Zero Trust Principles
No Implicit Trust
Every access request is individually authenticated and authorized. Network position alone does not grant access.
- All API calls use bearer token authentication
- Context-based access control (time, location, device)
- Principle of least privilege
Defense in Depth
Multi-layered defense architecture where each layer makes independent security decisions.
- Network layer: Cloudflare WAF + DDoS protection
- Application layer: Input validation, rate limiting
- Data layer: Encryption at rest and in transit
- Engine layer: Sandboxed execution environment
2. SOC Framework
LevelFunctionResponsibility
SOC-1Real-time monitoringAutomatic alerts, anomaly detection
SOC-2Incident managementIncident categorization, escalation
SOC-3Forensics & analysisPost-incident analysis, root cause investigation
SOC-4GovernancePolicy review, compliance audit
3. Audit Trail & Chain of Custody
Every system operation is logged. The audit trail operates as an immutable log ensuring full traceability.
Logged Events
- User authentication and authorization
- Engine execution instructions
- Data access requests
- Configuration changes
- Decision pipeline outputs
- Risk management interventions
Log Data Structure
timestamp— ISO 8601 UTC timestampactor— Operation initiatoraction— Operation typeresource— Affected resourceoutcome— Result (success/denied/error)context— Additional metadata
4. Incident Response Protocol
1
Detect
Automatic anomaly detection and alerting
→
2
Classify
Severity: Critical / High / Medium / Low
→
3
Isolate
Automatic isolation of affected components
→
4
Recover
System restoration and verification
→
5
Learn
Post-mortem analysis, policy update
5. Encryption Policy
StateMethodStandard
In-flightTLS 1.3NIST SP 800-52
At-restAES-256-GCMNIST SP 800-111
Key managementHKDF + RotationNIST SP 800-108
6. Access Control Matrix
RoleEngineDataConfigAudit
DI_OWNERFullFullFullFull
AI_ENGINEExecuteRead/WriteReadWrite
ANALYSTReadRead—Read
AUDITOR—ReadReadFull