Information Security · RFC 9116 & Client Isolation

Sicherheitspolitik

Security Architecture: Zero backend payload processing, zero external third-party CDN script dependencies, hardware-backed crypto.getRandomValues(), and strict browser Permissions-Policy headers.

1. Independent Verification in Browser DevTools

Any engineer or compliance reviewer can open Browser DevTools (F12 → Network), clear the log, and run any calculator or image cleaner on castfast1.com to verify 0 outbound data requests.

2. Responsible Disclosure (RFC 9116)

Security researchers may report findings to [email protected]. Good-faith non-disruptive research is covered under Safe Harbor principles.