A trustworthy IPTV provider should use HTTPS endpoints, secure Xtream Codes APIs, tokenized URLs, IP/device binding, and strict no-log policies. They must also maintain stable CDNs, avoid exposing usernames/passwords in plain text, and offer responsive support. Warning signs include: HTTP links, unstable domains, too-cheap prices, unlimited connections, or providers hiding their country of operation. Glanfy verifies providers based on stability, security practices, and infrastructure transparency.