Cyber Security Brunei

Is Your Website Quantum-Safe?

See if any website is post-quantum ready.

Port 443 by default. Nothing is stored.

TLS 1.3 is not the same as post-quantum

TLS 1.3 is the protocol. Post-quantum protection comes from the key-exchange group inside it.

Classical and post-quantum key exchange compared
Key ExchangeTLS IdentifierStandardStatus
x255190x001dRFC 8422Quantum-vulnerable
X25519MLKEM7680x11ecRFC 10024 · FIPS 203Post-quantum
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