# Phantom Gate™ *Category: Secure Terminal™.* A stealth-mode access service formerly called Phantom Secrets Knock Knock Protocol. Keeps applications and servers invisible until an authenticated sequence is performed with a Toughkey™. Reduces the attack surface to near zero, extending Zero Trust ('Never Trust, Always Verify') into the service layer itself. Requires Secure Terminal™. **Read more:** [/products/phantom-gate](https://www.lokblok.co/products/phantom-gate) ## Related terms in Secure Terminal™ - [ToughID™](https://www.lokblok.co/glossary/toughid) - [Secure Terminal™ Encrypted Local Storage](https://www.lokblok.co/glossary/secure-terminal-encrypted-local-storage) [← Back to glossary](https://www.lokblok.co/glossary)