SECURITY AUDIT

KYSER LLC delivers high-fidelity security auditing and system hardening built for deep JavaScript stacks and LLM integrations.

Access & Auth Architecture

  • OAuth, PKCE, session handling, and JWT validation flows
  • Row-Level Security (RLS) and Postgres schema access control
  • Secure API endpoint structure and strict schema validation
  • CSP enforcement, reverse proxies, and anti-CSRF protections

Real-Time & Stream Security

  • WebSocket and Server-Sent Event stream authorization
  • Session isolation verifying live connection permission boundaries
  • Supabase realtime channel authentication checks
  • Secure infrastructure hardening (Docker, Vercel, DigitalOcean, Cloudflare)

AI/LLM System Trust

  • Prompt injection surface auditing and agent boundaries
  • Retrieval pipeline exposure and source context security
  • User/session tracking integrity and bot detection filters
  • Event validation and dashboard access controls

Automated Auditing Tooling

  • Browser automation vulnerability scans with Playwright & OWASP ZAP
  • Internal tooling for request replay and auth state simulation
  • Static structure audit of client/server code interfaces
  • Custom vulnerability classification and threat modeling

Flexible Engagement Models

Rapid Inspection

Architectural overview, core access review, and high-impact threat surface mapping.

$4k – $7.5k

Operational Audit

End-to-end flow security, realtime streams, LLM pipeline, and customized replay vulnerability tests.

$12k – $25k

Enterprise / AI

Full-scale continuous audits, complex multi-tenant cloud mesh environments, and custom test beds.

Custom Scope