SIGNAL_

Trust Architecture // Evidence Chain // Operational Security

Security in DΛREΛKT_ is structural, not cosmetic. 17 hardening levels. Capability tokens. Hash-chain evidence. Egress capture. Real-time threat detection. Two-factor authentication. Every layer auditable, every action reversible.

Trust is not assumed. It is verified by design — from the browser to the server.

Security Layers

Five foundational systems that protect every byte entering or leaving the runtime — and the infrastructure it runs on.

EVIDENCE CHAIN_

daLogbook + daChain

  • Every significant event produces an evidence entry
  • SHA-256 hash chain — each entry linked to previous
  • Server-signed checkpoints every 200 entries or 30s
  • Cross-session verification via run IDs
  • Evidence grades: EVIDENCE_GRADE, UNTRUSTED_EVIDENCE, BROKEN
  • A single tainted entry flags the entire chain

Immutable evidence — cryptographically anchored to the server

CAPABILITY TOKENS_

daCapability

  • Sensitive ops require capability tokens
  • Bound to { op, moduleId, sessionId }
  • Single-use, time-expiring, closure-held
  • Well-known ops: AUDIT_CLEAR, VAULT_RESET, QUARANTINE
  • Dual-gate verification via requireAdmin()
  • No operation proceeds without valid token + caller match

Operation-scoped authorization — no blanket admin access

EGRESS GATE_

daEgressGate + daURLValidator

  • Captures native fetch, XHR, WebSocket at boot
  • Policy-enforcing wrappers on all outbound requests
  • IPv6 link-local, multicast, mapped-v4 blocked
  • Protocol-relative + credential-bearing URLs rejected
  • Cross-origin scripts require SRI integrity
  • Only sha256/sha384/sha512 accepted

Every outbound request passes through the gate — no exceptions

HARDENING SURFACE_

N0 through N17

  • N0–N4: Capability token engine, session-bound, single-use
  • N5–N8: Hash-chain evidence, SPKI key pinning via daKeyPin
  • N9–N12: Egress gate, CSP tightening, security mode enforcement
  • N13–N16: URL normalization, nonce replay protection, Trusted Types
  • N17: Nonce-based style CSP — zero unsafe-inline remaining
  • 84+ security checks passing — CSP debt: ZERO

17 hardening levels — each one independently verifiable

OPERATIONS_

Server-Side Threat Defence

  • Real-time firewall with pattern detection — SQL injection, XSS, path traversal, scanners
  • Automatic threat scoring and IP blocking via CrowdSec + Fail2Ban + UFW
  • File integrity monitoring with SHA-256 baselines — tamper alerts within minutes
  • Rate limiting on API and authentication endpoints — brute force protection
  • Geo-blocking with country-level access control — block or flag by region
  • Two-factor authentication (TOTP) on admin access — Google Authenticator compatible
  • SSL expiry tracking with automated alerts at 14-day and 7-day thresholds
  • Uptime monitoring every 3 minutes with instant Discord/Slack notifications
  • Security score grading (A+ to F) across 7 categories — 100-point scale
  • Real-time Discord webhook alerts for critical events, intrusion attempts, and downtime

Your infrastructure is monitored 24/7 — threats are detected, scored, and blocked automatically

Every byte that enters or leaves this runtime is accounted for. Every request to the server is analysed and scored. Trust is computed, verified, and permanently recorded — from the browser to the infrastructure.