# SophiaClaw Security Requirements **Version:** 2.0.0 **Classification:** Public (Open Source) **Last Updated:** 2026-03-11 --- ## 1. Executive Summary This document defines the security requirements for SophiaClaw, a local-first AI governance and agent orchestration platform. The security architecture follows a defense-in-depth approach with multiple layers of protection, zero-trust principles, and comprehensive audit logging. ### 1.1 Security Principles SophiaClaw security is built on four core principles: 1. **Local-First**: All data stays on user's machine by default 2. **Zero-Trust**: Every action verified, every request authenticated 3. **Defense in Depth**: Multiple security layers 4. **Minimal Privilege**: Only necessary permissions granted ### 1.2 Security Architecture Overview ``` ┌─────────────────────────────────────────────────────────────┐ │ SECURITY LAYERS │ ├─────────────────────────────────────────────────────────────┤ │ Layer 5: User Controls │ │ - Approval workflows, audit logs, session review │ ├─────────────────────────────────────────────────────────────┤ │ Layer 4: Application Security │ │ - Input validation, output encoding, secure defaults │ ├─────────────────────────────────────────────────────────────┤ │ Layer 3: Network Security │ │ - TLS, certificate pinning, firewall rules │ ├─────────────────────────────────────────────────────────────┤ │ Layer 2: Access Control │ │ - Authentication, authorization, sandboxing │ ├─────────────────────────────────────────────────────────────┤ │ Layer 1: Data Protection │ │ - Encryption at rest, in transit, credential isolation │ └─────────────────────────────────────────────────────────────┘ ``` --- ## 2. Threat Model ### 2.1 Assets to Protect | Asset | Sensitivity | Impact if Compromised | | ---------------------------------------- | ----------- | --------------------------------------- | | LLM API credentials | Critical | Financial loss, unauthorized API access | | Channel tokens (Telegram, Discord, etc.) | Critical | Account takeover, message interception | | Session logs | High | Privacy breach, conversation exposure | | Workspace files | High | Data loss, intellectual property theft | | Governance policies | Medium | Policy bypass, unauthorized actions | | Audit logs | Medium | Compliance failure, evidence tampering | | Configuration | Low-Medium | Misconfiguration, service disruption | ### 2.2 Threat Actors | Actor | Capability | Motivation | Attack Vectors | | ----------------- | ---------- | ---------------------------- | --------------------------------- | | External attacker | High | Financial gain, data theft | Network attacks, credential theft | | Malicious insider | Medium | Sabotage, data exfiltration | Direct access, policy bypass | | Compromised AI | Medium | Prompt injection, tool abuse | Manipulated outputs | | Accidental user | Low | Mistakes, misconfiguration | Unintentional data exposure | | Automated bot | Medium | Spam, abuse | API abuse, rate limit evasion | ### 2.3 Attack Vectors and Mitigations | Threat | Attack Vector | Mitigation | Status | | ------------------------ | ----------------------------------- | --------------------------------------------------- | -------------- | | **Credential theft** | File system access, memory scraping | Encryption at rest, keychain integration | ✅ Implemented | | **Session hijacking** | Token interception, replay attacks | TLS, token rotation, short-lived sessions | ✅ Implemented | | **Prompt injection** | Malicious input, jailbreak attempts | Input validation, output encoding, governance gates | ✅ Implemented | | **Tool abuse** | Arbitrary command execution | Sandboxing, allowlists, approval workflows | ✅ Implemented | | **Data exfiltration** | Network access, file copy | Network policies, egress filtering, audit logging | ✅ Implemented | | **Privilege escalation** | Root access, system modification | No root execution, path validation, sandboxing | ✅ Implemented | | **Supply chain attack** | Compromised dependencies | Locked dependencies, SRI, code signing | ⚠️ Partial | | **Denial of service** | Resource exhaustion | Rate limiting, resource quotas | ✅ Implemented | | **Man-in-the-middle** | Network interception | TLS 1.3, certificate validation | ✅ Implemented | | **Replay attack** | Message replay | Nonce, timestamp validation, HMAC | ✅ Implemented | ### 2.4 Trust Boundaries ``` ┌─────────────────────────────────────────┐ │ EXTERNAL (Untrusted) │ │ - Telegram servers │ │ - Discord servers │ │ - LLM provider APIs │ │ - Public internet │ ├─────────────────────────────────────────┤ │ GATEWAY (Semi-trusted) │ │ - WebSocket connections │ │ - Channel handlers │ │ - Request routing │ ├─────────────────────────────────────────┤ │ AGENT (Trusted with limits) │ │ - AI reasoning │ │ - Tool selection │ ├─────────────────────────────────────────┤ │ SANDBOX (Controlled) │ │ - Tool execution │ │ - File system access │ │ - Process spawning │ ├─────────────────────────────────────────┤ │ SECRETS (Most sensitive) │ │ - Credentials storage │ │ - API keys │ │ - Encryption keys │ └─────────────────────────────────────────┘ ``` --- ## 3. Security Controls ### 3.1 Authentication Controls #### 3.1.1 Gateway Authentication | ID | Requirement | Priority | Implementation | | ------- | --------------------------------------------------------------------- | -------- | ---------------------- | | SEC-101 | The system SHALL require authentication for all WebSocket connections | P0 | Token-based auth | | SEC-102 | The system SHALL use 256-bit random tokens for gateway auth | P0 | Cryptographic RNG | | SEC-103 | The system SHALL implement HMAC-SHA256 request signing | P0 | Integrity | | SEC-104 | The system SHALL include timestamp and nonce in auth handshake | P0 | Replay prevention | | SEC-105 | The system SHALL store tokens encrypted in credentials store | P0 | Protection | | SEC-106 | The system SHALL support token rotation via CLI | P1 | Key management | | SEC-107 | The system SHALL limit failed auth attempts to 5 per minute | P1 | Brute force prevention | | SEC-108 | The system SHALL temporarily lock out after 10 failed attempts | P1 | Account protection | #### 3.1.2 Authentication Protocol ```typescript interface AuthHandshake { type: "auth"; token: string; // 256-bit random token timestamp: number; // Unix timestamp (ms) nonce: string; // UUID v4 signature: string; // HMAC-SHA256(token + timestamp + nonce) } // Signature calculation const message = `${token}${timestamp}${nonce}`; const signature = crypto.createHmac("sha256", masterKey).update(message).digest("hex"); ``` #### 3.1.3 Channel Authentication | ID | Requirement | Priority | Notes | | ------- | ----------------------------------------------------------------- | -------- | -------------- | | SEC-111 | The system SHALL verify Telegram webhook signatures (HMAC-SHA256) | P0 | Telegram | | SEC-112 | The system SHALL authenticate Discord bot via token | P0 | Discord | | SEC-113 | The system SHALL use OAuth 2.0 for Slack integration | P0 | Slack | | SEC-114 | The system SHALL verify Slack request signing | P0 | Slack | | SEC-115 | The system SHALL support QR code authentication for WhatsApp | P1 | WhatsApp | | SEC-116 | The system SHALL implement channel allowlisting (optional) | P2 | Access control | ### 3.2 Authorization Controls #### 3.2.1 Permission Model | ID | Requirement | Priority | Notes | | ------- | -------------------------------------------------------------- | -------- | ---------------- | | SEC-201 | The system SHALL implement role-based access control (RBAC) | P0 | Authorization | | SEC-202 | The system SHALL define roles: user, trusted, admin | P0 | Role hierarchy | | SEC-203 | The system SHALL associate permissions with roles | P0 | Permission model | | SEC-204 | The system SHALL check permissions before every tool execution | P0 | Enforcement | | SEC-205 | The system SHALL support resource-scoped permissions | P1 | Granularity | | SEC-206 | The system SHALL log all authorization decisions | P0 | Audit | #### 3.2.2 Role Definitions ```typescript type Role = "user" | "trusted" | "admin"; type Permission = { resource: "tool" | "file" | "command" | "channel"; action: "read" | "write" | "execute" | "admin"; scope: string; // Resource identifier or wildcard }; const rolePermissions: Record = { user: [ { resource: "tool", action: "read", scope: "*" }, { resource: "file", action: "read", scope: "workspace/*" }, { resource: "tool", action: "execute", scope: "safe/*" }, ], trusted: [ ...rolePermissions.user, { resource: "tool", action: "execute", scope: "*" }, { resource: "file", action: "write", scope: "workspace/*" }, { resource: "command", action: "execute", scope: "user/*" }, ], admin: [{ resource: "*", action: "*", scope: "*" }], }; ``` #### 3.2.3 Tool Permission Levels | Level | Description | Allowed Operations | | -------------- | --------------- | -------------------------- | | `none` | No tools | Read-only responses | | `safe` | Safe tools only | File read, search, info | | `standard` | Standard tools | File write, bash (limited) | | `elevated` | All tools | System commands, network | | `unrestricted` | No limits | Full system access | ### 3.3 Sandboxing Controls #### 3.3.1 File System Sandbox | ID | Requirement | Priority | Implementation | | ------- | ------------------------------------------------------------------------ | -------- | ------------------------------ | | SEC-301 | The system SHALL jail all file operations to workspace directory | P0 | Path validation | | SEC-302 | The system SHALL normalize all paths before validation | P0 | Directory traversal prevention | | SEC-303 | The system SHALL reject paths that escape workspace | P0 | Security boundary | | SEC-304 | The system SHALL resolve symlinks and validate target | P0 | Symlink attack prevention | | SEC-305 | The system SHALL check paths against denied patterns | P0 | Pattern matching | | SEC-306 | The system SHALL NOT allow absolute paths (unless explicitly configured) | P0 | Security | | SEC-307 | The system SHALL limit file operations to 50MB per file | P1 | Resource protection | #### 3.3.2 Path Validation Algorithm ```typescript class FileSandbox { private basePath: string = "~/.sophiaclaw/workspace"; resolvePath(userPath: string): string { // Normalize and resolve const resolved = path.resolve(this.basePath, userPath); // Normalize both paths for comparison const normalizedBase = path.normalize(this.basePath); const normalizedResolved = path.normalize(resolved); // Prevent directory traversal if (!normalizedResolved.startsWith(normalizedBase)) { throw new SecurityError("Path escapes workspace"); } // Check denied patterns const deniedPatterns = [/\.env$/, /\.key$/, /\.pem$/, /\/\.git\//, /\/node_modules\//]; for (const pattern of deniedPatterns) { if (pattern.test(normalizedResolved)) { throw new SecurityError(`Path matches denied pattern: ${pattern}`); } } return resolved; } } ``` #### 3.3.3 Process Sandboxing | ID | Requirement | Priority | Implementation | | ------- | ------------------------------------------------------------- | -------- | ------------------- | | SEC-311 | The system SHALL maintain shell command allowlist | P0 | Whitelist | | SEC-312 | The system SHALL deny commands matching dangerous patterns | P0 | Blacklist | | SEC-313 | The system SHALL enforce command execution timeouts | P0 | Resource protection | | SEC-314 | The system SHALL limit memory for spawned processes | P1 | Resource protection | | SEC-315 | The system SHALL spawn processes as current user (never root) | P0 | Privilege | | SEC-316 | The system SHALL sanitize environment variables | P1 | Info leakage | | SEC-317 | The system SHALL deny network access for processes by default | P1 | Isolation | #### 3.3.4 Command Policy ```typescript interface CommandPolicy { allowed: string[]; // Whitelist denied: RegExp[]; // Blacklist patterns timeout: number; // Max execution time (ms) max_memory: string; // Memory limit network: boolean; // Network access allowed? } const defaultPolicy: CommandPolicy = { allowed: ["git", "npm", "pnpm", "node", "python3"], denied: [ /rm\s+-rf\s+\//, // rm -rf / /sudo/, // sudo commands />\s*\/etc/, // Writing to /etc /curl.*\|\s*bash/, // Pipe to bash /wget.*\|\s*bash/, // Pipe to bash /^\.\//, // Execute from current dir ], timeout: 60000, // 60 seconds max_memory: "512m", network: false, }; ``` --- ## 4. Encryption Requirements ### 4.1 Encryption at Rest #### 4.1.1 Credential Encryption | ID | Requirement | Priority | Implementation | | ------- | ---------------------------------------------------------- | -------- | -------------------- | | SEC-401 | The system SHALL encrypt all credentials with AES-256-GCM | P0 | Encryption algorithm | | SEC-402 | The system SHALL derive master key from OS keychain | P0 | Key management | | SEC-403 | The system SHALL fallback to PBKDF2 with user password | P1 | Fallback | | SEC-404 | The system SHALL use 600,000 PBKDF2 iterations minimum | P0 | Key strength | | SEC-405 | The system SHALL generate random 16-byte IV per encryption | P0 | IV management | | SEC-406 | The system SHALL include authentication tag (GCM) | P0 | Integrity | | SEC-407 | The system SHALL clear keys from memory after use | P1 | Memory protection | #### 4.1.2 Credential Encryption Format ```typescript interface EncryptedCredential { cipher: "aes-256-gcm"; encrypted_data: string; // Base64 encoded iv: string; // Base64 (16 bytes) tag: string; // Base64 (16 bytes) salt: string; // Base64 (32 bytes) kdf: { algorithm: "pbkdf2" | "keychain"; iterations: number; // 600000 minimum for PBKDF2 }; } // Encryption process: // 1. Generate random 32-byte salt // 2. Derive 32-byte key using PBKDF2(password, salt, 600000, sha256) // 3. Generate random 16-byte IV // 4. Encrypt with AES-256-GCM // 5. Store cipher, encrypted_data, iv, tag, salt ``` #### 4.1.3 Session Log Encryption (Optional) | ID | Requirement | Priority | Notes | | ------- | ------------------------------------------------------------ | -------- | ------------ | | SEC-411 | The system SHALL support optional session log encryption | P2 | Privacy | | SEC-412 | The system SHALL rotate session encryption keys every 7 days | P2 | Key rotation | | SEC-413 | The system SHALL store encrypted sessions separately | P2 | Organization | | SEC-414 | The system SHALL decrypt sessions on-demand for viewing | P2 | Usability | ### 4.2 Encryption in Transit #### 4.2.1 WebSocket Security | ID | Requirement | Priority | Implementation | | ------- | ------------------------------------------------------------------- | -------- | ------------------- | | SEC-421 | The system SHALL use WSS (WebSocket Secure) in production | P0 | TLS | | SEC-422 | The system SHALL require TLS 1.3, allow TLS 1.2 minimum | P0 | Protocol version | | SEC-423 | The system SHALL validate server certificates | P0 | MITM prevention | | SEC-424 | The system SHALL support certificate pinning for critical endpoints | P1 | Additional security | | SEC-425 | The system SHALL disable weak cipher suites | P0 | Crypto strength | | SEC-426 | The system SHALL implement perfect forward secrecy | P0 | Key exchange | #### 4.2.2 External API Communication | ID | Requirement | Priority | Notes | | ------- | ---------------------------------------------------------------------- | -------- | ----------------- | | SEC-431 | The system SHALL use HTTPS for all external API calls | P0 | Encryption | | SEC-432 | The system SHALL validate SSL certificates | P0 | MITM prevention | | SEC-433 | The system SHALL NOT disable certificate validation (no insecure flag) | P0 | Security | | SEC-434 | The system SHALL support custom CA bundles (enterprise) | P2 | Self-signed certs | ### 4.3 Key Management | ID | Requirement | Priority | Implementation | | ------- | ------------------------------------------------------------ | -------- | ------------------------------------- | | SEC-441 | The system SHALL use OS keychain for master key storage | P0 | macOS Keychain, Secret Service, DPAPI | | SEC-442 | The system SHALL NEVER store encryption keys in config files | P0 | Protection | | SEC-443 | The system SHALL NEVER log encryption keys | P0 | Protection | | SEC-444 | The system SHALL support key rotation for credentials | P1 | Key lifecycle | | SEC-445 | The system SHALL re-encrypt data on key rotation | P1 | Continuity | --- ## 5. Authentication/Authorization Requirements ### 5.1 User Authentication | ID | Requirement | Priority | Notes | | ------- | ----------------------------------------------------------------------- | -------- | ----------------- | | SEC-501 | The system SHALL support token-based authentication | P0 | Primary method | | SEC-502 | The system SHALL support optional multi-factor authentication | P2 | Enhanced security | | SEC-503 | The system SHALL implement secure password handling (if passwords used) | P1 | Hashing | | SEC-504 | The system SHALL enforce password complexity (if passwords used) | P2 | Strength | | SEC-505 | The system SHALL support session-based authentication | P1 | Convenience | | SEC-506 | The system SHALL implement logout functionality | P1 | User control | ### 5.2 Session Management | ID | Requirement | Priority | Notes | | ------- | ------------------------------------------------------------------- | -------- | --------------------- | | SEC-511 | The system SHALL generate unique session IDs (UUID v4) | P0 | Uniqueness | | SEC-512 | The system SHALL expire sessions after 30 minutes idle | P0 | Timeout | | SEC-513 | The system SHALL support maximum session lifetime of 24 hours | P1 | Long-lived protection | | SEC-514 | The system SHALL invalidate sessions on logout | P0 | Security | | SEC-515 | The system SHALL support session enumeration (list active sessions) | P1 | Management | | SEC-516 | The system SHALL support session termination (kill session) | P1 | Management | | SEC-517 | The system SHALL support kill-all-sessions (emergency) | P1 | Emergency | ### 5.3 API Authorization | ID | Requirement | Priority | Notes | | ------- | --------------------------------------------------------------------- | -------- | ---------------- | | SEC-521 | The system SHALL validate authentication before API access | P0 | Gatekeeping | | SEC-522 | The system SHALL check authorization for each API endpoint | P0 | Access control | | SEC-523 | The system SHALL support API key authentication | P1 | Machine auth | | SEC-524 | The system SHALL implement rate limiting per user/API key | P1 | Abuse prevention | | SEC-525 | The system SHALL return 401 for auth failures, 403 for authz failures | P1 | Correct errors | ### 5.4 Channel Authorization | ID | Requirement | Priority | Notes | | ------- | ------------------------------------------------------------- | -------- | -------------- | | SEC-531 | The system SHALL verify channel message signatures | P0 | Authenticity | | SEC-532 | The system SHALL support chat/user allowlisting per channel | P1 | Access control | | SEC-533 | The system SHALL reject messages from non-allowlisted sources | P1 | Security | | SEC-534 | The system SHALL support channel-level access control | P1 | Granularity | --- ## 6. Audit Logging Requirements ### 6.1 Security Events | ID | Requirement | Priority | Event Types | | ------- | --------------------------------------------------------- | -------- | -------------------------------- | | SEC-601 | The system SHALL log all authentication successes | P0 | `auth.success` | | SEC-602 | The system SHALL log all authentication failures | P0 | `auth.failure` | | SEC-603 | The system SHALL log all authorization denials | P0 | `authz.denied` | | SEC-604 | The system SHALL log all credential access | P0 | `credential.accessed` | | SEC-605 | The system SHALL log all configuration changes | P0 | `config.changed` | | SEC-606 | The system SHALL log all policy changes | P0 | `policy.changed` | | SEC-607 | The system SHALL log all tool executions | P0 | `tool.executed` | | SEC-608 | The system SHALL log all security policy violations | P0 | `security.violation` | | SEC-609 | The system SHALL log all gate blocks and escalations | P0 | `gate.blocked`, `gate.escalated` | | SEC-610 | The system SHALL log all encryption/decryption operations | P1 | `crypto.operation` | ### 6.2 Security Event Schema ```typescript interface SecurityEvent { id: string; // UUID v4 timestamp: string; // ISO8601 event_type: SecurityEventType; severity: "info" | "warning" | "error" | "critical"; actor: { type: "user" | "system" | "channel" | "ai"; id: string; }; resource: string; // Affected resource action: string; // Action attempted result: "success" | "failure" | "blocked"; metadata: { ip_address?: string; user_agent?: string; session_id?: string; error_message?: string; violation_details?: string; }; } type SecurityEventType = | "auth.success" | "auth.failure" | "authz.denied" | "credential.accessed" | "config.changed" | "policy.changed" | "tool.executed" | "security.violation" | "gate.blocked" | "gate.escalated" | "crypto.operation"; ``` ### 6.3 Log Storage and Protection | ID | Requirement | Priority | Implementation | | ------- | --------------------------------------------------------------------- | -------- | ------------------ | | SEC-611 | The system SHALL store security logs separately from application logs | P0 | Separation | | SEC-612 | The system SHALL protect audit logs from modification | P0 | Integrity | | SEC-613 | The system SHALL implement append-only log structure | P0 | Immutability | | SEC-614 | The system SHALL support optional cryptographic hashing (hash chain) | P2 | Tamper evidence | | SEC-615 | The system SHALL compress old logs for storage efficiency | P1 | Retention | | SEC-616 | The system SHALL enforce retention policies | P1 | Storage management | ### 6.4 Log Retention | Log Type | Default Retention | Configurable | Notes | | ------------------- | ----------------- | ------------ | ------------ | | Security logs | 1 year | Yes | Compliance | | Authentication logs | 1 year | Yes | Security | | Authorization logs | 1 year | Yes | Access audit | | Audit logs | 90 days | Yes | Operations | | Access logs | 30 days | Yes | Debugging | | Application logs | 30 days | Yes | Debugging | ### 6.5 Log Access | ID | Requirement | Priority | Notes | | ------- | --------------------------------------------------------- | -------- | -------------- | | SEC-621 | The system SHALL restrict audit log access to admin role | P0 | Access control | | SEC-622 | The system SHALL provide CLI for log querying | P0 | Usability | | SEC-623 | The system SHALL support log export for external analysis | P1 | Forensics | | SEC-624 | The system SHALL log all audit log access | P0 | Meta-audit | --- ## 7. Input Validation Requirements ### 7.1 Message Validation | ID | Requirement | Priority | Implementation | | ------- | ---------------------------------------------------------------- | -------- | ------------------- | | SEC-701 | The system SHALL validate all incoming messages with Zod schemas | P0 | Schema validation | | SEC-702 | The system SHALL limit message content to 100KB | P0 | Resource protection | | SEC-703 | The system SHALL validate message types (enum) | P0 | Type safety | | SEC-704 | The system SHALL validate session IDs (UUID format) | P0 | Format validation | | SEC-705 | The system SHALL reject messages with invalid metadata | P0 | Integrity | | SEC-706 | The system SHALL sanitize string inputs (trim, normalize) | P1 | Cleaning | ### 7.2 Message Schema ```typescript import { z } from "zod"; const MessageSchema = z.object({ type: z.enum(["chat", "tool_response", "command"]), content: z.string().max(100000), // 100KB max session_id: z.string().uuid().optional(), metadata: z.record(z.unknown()).optional(), }); type Message = z.infer; // Validation const validate = (data: unknown) => { return MessageSchema.safeParse(data); }; ``` ### 7.3 Tool Parameter Validation | ID | Requirement | Priority | Implementation | | ------- | -------------------------------------------------------------- | -------- | ------------------- | | SEC-711 | The system SHALL define Zod schema for every tool | P0 | Schema definition | | SEC-712 | The system SHALL validate all tool parameters before execution | P0 | Enforcement | | SEC-713 | The system SHALL reject invalid parameters with clear error | P0 | User feedback | | SEC-714 | The system SHALL sanitize file paths in parameters | P0 | Security | | SEC-715 | The system SHALL limit content size in parameters | P1 | Resource protection | ### 7.4 Example Tool Schema ```typescript const FileWriteSchema = z.object({ path: z .string() .min(1) .max(4096) .regex(/^[\w\-/.]+$/, "Invalid path characters"), content: z.string().max(10_000_000), // 10MB max encoding: z.enum(["utf8", "base64"]).default("utf8"), }); // Validation before execution const validateFileWrite = (params: unknown) => { const result = FileWriteSchema.safeParse(params); if (!result.success) { throw new ValidationError(result.error.message); } return result.data; }; ``` ### 7.5 Output Validation | ID | Requirement | Priority | Notes | | ------- | -------------------------------------------------------------- | -------- | ------------------- | | SEC-721 | The system SHALL validate tool outputs before returning to AI | P1 | Integrity | | SEC-722 | The system SHALL truncate oversized outputs | P1 | Resource protection | | SEC-723 | The system SHALL sanitize outputs for known injection patterns | P1 | Security | | SEC-724 | The system SHALL encode outputs for safe display | P1 | XSS prevention | --- ## 8. Network Security Requirements ### 8.1 Firewall Configuration | ID | Requirement | Priority | Notes | | ------- | ---------------------------------------------------------- | -------- | ----------------- | | SEC-801 | The system SHALL bind to loopback (127.0.0.1) by default | P0 | Network isolation | | SEC-802 | The system SHALL support configurable bind address | P1 | Flexibility | | SEC-803 | The system SHALL document required firewall rules | P0 | Operations | | SEC-804 | The system SHALL use only outbound HTTPS for external APIs | P0 | Egress control | | SEC-805 | The system SHALL support firewall configuration script | P1 | Automation | ### 8.2 Rate Limiting | ID | Requirement | Priority | Implementation | | ------- | --------------------------------------------------------------------- | -------- | ----------------- | | SEC-811 | The system SHALL implement rate limiting on all APIs | P0 | Abuse prevention | | SEC-812 | The system SHALL limit to 100 requests per minute per user by default | P0 | Default limits | | SEC-813 | The system SHALL support configurable rate limits | P1 | Flexibility | | SEC-814 | The system SHALL return 429 Too Many Requests on limit exceeded | P0 | Standard response | | SEC-815 | The system SHALL implement sliding window rate limiting | P1 | Fairness | ### 8.3 Rate Limiter Implementation ```typescript class RateLimiter { private requests = new Map(); async checkLimit( identifier: string, maxRequests: number = 100, windowMs: number = 60000, // 1 minute ): Promise { const now = Date.now(); const requests = this.requests.get(identifier) || []; // Remove old requests outside window const recentRequests = requests.filter((time) => now - time < windowMs); if (recentRequests.length >= maxRequests) { return false; // Rate limit exceeded } // Add current request recentRequests.push(now); this.requests.set(identifier, recentRequests); return true; } } ``` ### 8.4 Network Resilience | ID | Requirement | Priority | Notes | | ------- | -------------------------------------------------------- | -------- | ------------------- | | SEC-821 | The system SHALL implement connection timeouts | P0 | Resource protection | | SEC-822 | The system SHALL implement request timeouts | P0 | DoS prevention | | SEC-823 | The system SHALL support exponential backoff for retries | P0 | Resilience | | SEC-824 | The system SHALL limit concurrent connections per source | P1 | Resource protection | | SEC-825 | The system SHALL implement circuit breaker pattern | P2 | Resilience | --- ## 9. Vulnerability Management ### 9.1 Dependency Security | ID | Requirement | Priority | Implementation | | ------- | -------------------------------------------------------------- | -------- | ----------------------- | | SEC-901 | The system SHALL pin all dependency versions | P0 | Reproducibility | | SEC-902 | The system SHALL use lockfile for deterministic builds | P0 | Integrity | | SEC-903 | The system SHALL audit dependencies on every build | P0 | Vulnerability detection | | SEC-904 | The system SHALL fail build on critical vulnerabilities | P0 | Security gate | | SEC-905 | The system SHALL support Subresource Integrity (SRI) | P1 | Tamper detection | | SEC-906 | The system SHALL minimize dependencies (reduce attack surface) | P1 | Hygiene | ### 9.2 Security Patching | ID | Requirement | Priority | Notes | | ------- | --------------------------------------------------------------- | -------- | -------------- | | SEC-911 | The system SHALL apply critical security patches within 7 days | P0 | Patch SLA | | SEC-912 | The system SHALL apply high severity patches within 14 days | P1 | Patch SLA | | SEC-913 | The system SHALL document known vulnerabilities and mitigations | P1 | Transparency | | SEC-914 | The system SHALL support emergency patch deployment | P1 | Rapid response | ### 9.3 Security Testing | ID | Requirement | Priority | Notes | | ------- | ---------------------------------------------------------- | -------- | ------------------- | | SEC-921 | The system SHALL include security tests in test suite | P0 | Verification | | SEC-922 | The system SHALL support automated security scanning in CI | P1 | CI/CD | | SEC-923 | The system SHALL support penetration testing | P2 | External validation | | SEC-924 | The system SHALL support bug bounty program (future) | P3 | Community | --- ## 10. Incident Response ### 10.1 Incident Classification | ID | Requirement | Priority | Notes | | -------- | ----------------------------------------------------- | -------- | -------------- | | SEC-1001 | The system SHALL define incident severity levels | P0 | Classification | | SEC-1002 | The system SHALL provide incident response procedures | P0 | Documentation | | SEC-1003 | The system SHALL support emergency lockdown | P0 | Containment | | SEC-1004 | The system SHALL generate incident reports | P1 | Documentation | ### 10.2 Incident Severity Levels | Level | Description | Response Time | Actions | | ------------ | ------------------- | ------------- | ------------------------------------------- | | 1 - Critical | Active exploitation | Immediate | Kill gateway, revoke credentials, forensics | | 2 - High | Confirmed breach | <1 hour | Revoke tokens, isolate, investigate | | 3 - Medium | Attempted breach | <4 hours | Block source, notify, review | | 4 - Low | Suspicious activity | <24 hours | Log review, monitor | ### 10.3 Emergency Procedures | Command | Purpose | Notes | | ------------------------------------- | ------------------------ | ------------- | | `sophiaclaw credentials revoke-all` | Revoke all tokens | Emergency | | `sophiaclaw sessions kill-all` | Terminate all sessions | Containment | | `sophiaclaw gateway lock` | Lock gateway | Deny access | | `sophiaclaw security incident-report` | Generate incident report | Documentation | ### 10.4 Incident Response Workflow ``` 1. Detection → Security event or user report │ ▼ 2. Triage → Classify severity, assign responder │ ▼ 3. Containment → Isolate affected systems │ ▼ 4. Eradication → Remove threat │ ▼ 5. Recovery → Restore normal operations │ ▼ 6. Lessons Learned → Update procedures ``` --- ## 11. Security Configuration ### 11.1 Recommended Security Settings ```yaml security: # Authentication auth: require_token: true token_rotation: "30d" max_failed_attempts: 5 lockout_duration: "15m" # Encryption encryption: algorithm: "aes-256-gcm" kdf_iterations: 600000 key_source: "keychain" # Sandboxing sandbox: enabled: true level: "strict" network_isolation: true resource_limits: cpu_percent: 50 memory_mb: 512 file_descriptors: 1024 # Audit audit: enabled: true log_level: "info" forward_to: [] # SIEM endpoints # Network network: bind_address: "127.0.0.1" tls: enabled: true min_version: "TLSv1.2" prefer_version: "TLSv1.3" allowed_origins: ["https://app.sophiaclaw.ai"] # Rate Limiting rate_limit: enabled: true requests_per_minute: 100 burst: 20 ``` ### 11.2 Security Health Checks | ID | Requirement | Priority | Notes | | -------- | ------------------------------------------------------ | -------- | ------------------- | | SEC-1101 | The system SHALL provide security health check command | P0 | `sophiaclaw doctor` | | SEC-1102 | The system SHALL verify TLS configuration | P1 | Network | | SEC-1103 | The system SHALL verify credential encryption | P1 | Data protection | | SEC-1104 | The system SHALL verify sandbox configuration | P1 | Isolation | | SEC-1105 | The system SHALL verify audit logging is active | P1 | Compliance | --- ## 12. Related Documents - [System Requirements](./SYSTEM_REQUIREMENTS.md) - [Governance Requirements](./GOVERNANCE_REQUIREMENTS.md) - [Performance Requirements](./PERFORMANCE_REQUIREMENTS.md) - [Security Architecture](../security.md) - [Deployment Guide](../deployment.md) --- ## 13. Security Checklist ### Pre-Deployment Checklist - [ ] Credentials encrypted and backed up - [ ] TLS certificates valid and configured - [ ] Firewall rules configured - [ ] Rate limiting enabled - [ ] Audit logging enabled - [ ] Backup and recovery tested - [ ] Incident response plan documented - [ ] Security contacts configured ### Ongoing Security - [ ] Monthly dependency audits - [ ] Quarterly security review - [ ] Annual penetration test (recommended) - [ ] Continuous vulnerability monitoring - [ ] Regular security training for operators ---

SophiaClaw Security — Defense in Depth
Zero trust. Maximum transparency.