# Security Review Summary: ADRs 032-041

**Review Date:** 2026-01-24
**Reviewer:** V3 Security Architect
**Status:** Complete

## Executive Summary

This document summarizes the comprehensive security review of ADRs 032-041, covering healthcare, financial, legal, code intelligence, test intelligence, performance optimization, multi-agent coordination, cognitive kernel, quantum-inspired, and hyperbolic reasoning plugins.

### Overall Security Posture

| Category | ADRs | Risk Level | Status |
|----------|------|------------|--------|
| Regulated Industries | 032, 033, 034 | **CRITICAL** | Enhanced with compliance controls |
| Development Tools | 035, 036, 037 | **HIGH** | Enhanced with input validation |
| AI/ML Systems | 038, 039 | **HIGH** | Enhanced with agent security |
| Exotic Algorithms | 040, 041 | **MEDIUM** | Enhanced with resource limits |

---

## CRITICAL Security Issues Identified

### Issue #1: Regulated Data Handling (ADRs 032-034)

**Severity:** CRITICAL
**ADRs Affected:** 032 (Healthcare), 033 (Finance), 034 (Legal)

**Problem:** These ADRs handle highly sensitive regulated data (PHI, financial transactions, privileged legal documents) but lacked comprehensive security specifications.

**Mitigations Added:**
- Mandatory on-device WASM processing (no data transmission)
- Encryption requirements (AES-256 at rest, TLS 1.3 in transit)
- Role-based access control with specific role definitions
- Comprehensive audit logging meeting regulatory requirements
- Input validation schemas for all MCP tools

### Issue #2: Input Validation Missing (All ADRs)

**Severity:** HIGH
**ADRs Affected:** All (032-041)

**Problem:** MCP tool input schemas were defined but lacked security-focused validation rules.

**Mitigations Added:**
- Zod-based input validation schemas with:
  - Size limits (preventing DoS)
  - Format validation (preventing injection)
  - Range constraints (preventing overflow)
  - Pattern validation (preventing malicious payloads)

### Issue #3: WASM Resource Limits Undefined (All ADRs)

**Severity:** HIGH
**ADRs Affected:** All (032-041)

**Problem:** No specification of WASM sandbox constraints, allowing potential DoS attacks.

**Mitigations Added:**
- Memory limits per plugin type (256MB - 4GB based on requirements)
- CPU time limits (10-600 seconds based on operation complexity)
- Iteration limits for algorithms
- Network access explicitly blocked
- File system access sandboxed

---

## HIGH Security Issues by ADR

### ADR-032: Healthcare Clinical Decision Support

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| HC-SEC-001 | PHI leakage via embeddings | Differential privacy, no raw PHI in embeddings |
| HC-SEC-002 | Re-identification attacks | k-anonymity (k>=5) for aggregates |
| HC-SEC-003 | SQL injection in FHIR | Parameterized queries only |

**Compliance Requirements Added:**
- HIPAA 164.312(b) audit logging
- BAA requirements for third-party components
- 6-year log retention

### ADR-033: Financial Risk Analysis

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| FIN-SEC-001 | Market manipulation via model | Model validation, anomaly detection |
| FIN-SEC-002 | Unauthorized trading signal access | Role-based access, segregation of duties |
| FIN-SEC-003 | Front-running via timing analysis | Randomized delays, rate limiting |

**Compliance Requirements Added:**
- SOX-compliant audit trails
- MiFID II 7-year retention
- Deterministic execution for reproducibility

### ADR-034: Legal Contract Analysis

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| LEG-SEC-001 | Privilege breach via embeddings | Position-only analysis, no content in embeddings |
| LEG-SEC-002 | Cross-matter contamination | Isolated WASM instances per matter |
| LEG-SEC-003 | Unauthorized document access | Ethical wall enforcement |

**Compliance Requirements Added:**
- Chain of custody cryptographic proof
- Matter isolation requirements
- Content-free audit logging

### ADR-035: Code Intelligence

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| CODE-SEC-001 | Path traversal | Path validation with allowlist |
| CODE-SEC-002 | Secrets in search results | Automatic secret detection and masking |

### ADR-036: Test Intelligence

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| TEST-SEC-001 | Arbitrary code execution | Never auto-execute generated tests |
| TEST-SEC-002 | Command injection | No shell execution, list outputs only |

### ADR-037: Performance Optimization

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| PERF-SEC-001 | Credentials in traces | Automatic sanitization |
| PERF-SEC-002 | SQL injection via query analysis | Parse-only, never execute |

### ADR-038: Multi-Agent Coordination

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| COORD-SEC-001 | Rogue agent influence | Agent authentication, BFT consensus |
| COORD-SEC-002 | Sybil attacks | Credential verification, rate limiting |

### ADR-039: Cognitive Kernel

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| COG-SEC-001 | Sensitive data in working memory | Session isolation, encrypted slots |
| COG-SEC-002 | Prompt injection via scaffolds | Input sanitization |

### ADR-040: Quantum-Inspired Optimization

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| QUANT-SEC-001 | DoS via complex problems | Problem validation, complexity bounds |
| QUANT-SEC-002 | Resource exhaustion | Memory/CPU limits, progress monitoring |
| QUANT-SEC-004 | Oracle injection | Predicate sandboxing, no eval() |

### ADR-041: Hyperbolic Reasoning

| Risk ID | Issue | Mitigation |
|---------|-------|------------|
| HYPER-SEC-001 | DoS via deep hierarchies | Depth limits (100 max) |
| HYPER-SEC-002 | Numerical overflow | Boundary clipping, epsilon guards |

---

## Security Patterns Catalog

### 1. Input Validation Pattern

All MCP tools must use Zod schemas with:
- Maximum string lengths
- Array size limits
- Numeric ranges
- Enum constraints
- Custom refinements for domain-specific validation

```typescript
const ExampleSchema = z.object({
  field: z.string().max(1000),
  count: z.number().int().min(1).max(100),
  type: z.enum(['a', 'b', 'c'])
});
```

### 2. Path Traversal Prevention Pattern

```typescript
function validatePath(userPath: string, allowedRoot: string): string {
  const resolved = path.resolve(allowedRoot, path.normalize(userPath));
  if (!resolved.startsWith(path.resolve(allowedRoot))) {
    throw new SecurityError('PATH_TRAVERSAL');
  }
  return resolved;
}
```

### 3. WASM Resource Limit Pattern

| Plugin Type | Memory | CPU Time | Special Limits |
|-------------|--------|----------|----------------|
| Healthcare | 512MB | 30s | No network |
| Financial | 1GB | 60s | Deterministic |
| Legal | 2GB | 120s | Matter isolated |
| Code/Test/Perf | 512MB-2GB | 60-300s | Read-only |
| Multi-Agent | 1GB | 60s/round | 1000 agents max |
| Cognitive | 256MB | 10s | 20 slots max |
| Quantum | 4GB | 600s | 10K vars max |
| Hyperbolic | 2GB | 300s | 1M nodes max |

### 4. Audit Logging Pattern

```typescript
interface AuditLog {
  timestamp: string;       // ISO 8601
  userId: string;          // Authenticated user
  toolName: string;        // MCP tool
  inputHash: string;       // Hash of inputs (never raw data)
  outputHash: string;      // Hash of outputs
  success: boolean;
  errorCode?: string;
}
```

### 5. Rate Limiting Pattern

All tools should have rate limits:
- Simple queries: 60-120 requests/minute
- Analysis operations: 10-30 requests/minute
- Expensive operations: 1-5 requests/minute

---

## Compliance Matrix

| Regulation | ADRs | Requirements Met |
|------------|------|------------------|
| HIPAA | 032 | PHI protection, audit logging, encryption, access controls |
| PCI-DSS | 033 | No PAN storage, encryption, audit trails |
| SOX | 033 | Immutable audit logs, segregation of duties |
| MiFID II | 033 | 7-year retention, explainability |
| Attorney-Client Privilege | 034 | Zero-knowledge processing, matter isolation |

---

## Recommendations

### Immediate Actions (Phase 1)

1. **Implement Zod validation** for all MCP tool inputs before any production deployment
2. **Configure WASM sandboxes** with resource limits as specified
3. **Enable audit logging** for all regulated industry plugins
4. **Implement rate limiting** for all tools

### Short-Term Actions (Phase 2)

1. **Security testing framework** - Create penetration test suite for each plugin
2. **Compliance validation** - Third-party audit for HIPAA/PCI-DSS/SOX compliance
3. **Secret scanning** - Integrate secret detection in Code Intelligence results

### Long-Term Actions (Phase 3)

1. **Formal verification** - Prove security properties of critical paths
2. **Continuous monitoring** - Real-time security event detection
3. **Red team exercises** - Regular adversarial testing

---

## Sign-Off

| Role | Name | Date | Signature |
|------|------|------|-----------|
| Security Architect | V3 Security Team | 2026-01-24 | Pending |
| Compliance Officer | - | - | Pending |
| Engineering Lead | - | - | Pending |

---

## Appendix: Security Considerations Added to Each ADR

| ADR | Section Added | Lines Added |
|-----|---------------|-------------|
| ADR-032 | Security Considerations | ~150 |
| ADR-033 | Security Considerations | ~130 |
| ADR-034 | Security Considerations | ~140 |
| ADR-035 | Security Considerations | ~80 |
| ADR-036 | Security Considerations | ~70 |
| ADR-037 | Security Considerations | ~70 |
| ADR-038 | Security Considerations | ~100 |
| ADR-039 | Security Considerations | ~90 |
| ADR-040 | Security Considerations | ~120 |
| ADR-041 | Security Considerations | ~100 |

**Total Security Content Added:** ~1,050 lines across 10 ADRs

---

**Document Version:** 1.0
**Last Updated:** 2026-01-24
