Reputable IPTV providers use secure HTTPS endpoints, token-based authentication, encrypted HLS/DASH URLs, log anonymization, and strict no-log policies. Some providers rotate domains, change CDN routes, and isolate user logs to prevent mass exposure. Glanfy recommends providers that use tokenized sessions, hashed passwords, server-side filtering, and region-specific privacy compliance (EU GDPR / US standards). Always avoid providers using plain HTTP or exposing passwords in the URL.