⚛ Quantum Aether
F

Post-quantum TLS readiness

cvut.cz

Critical issue to fix first

Short answer

Yes. As of 2026-11-03, cvut.cz negotiates the hybrid post-quantum key exchange X25519MLKEM768 over TLSv1.3 (Quantum Aether grade F).

GradeF
Key exchangeX25519MLKEM768
Post-quantumyes
TLSTLSv1.3
Hosting networkCESNET z.s.p.o.
Tranco rank#7518
Country🇨🇿 Czechia: #23/26 (37.5%)

From our weekly tracker of the top 10,000 sites, scanned on 2026-11-03 · /adoption

Show your readiness on your site

post-quantum TLS: F

Markdown 
[![Post-quantum TLS grade by Quantum Aether](https://ather-quatum.cloud/badge/cvut.cz.svg)](https://ather-quatum.cloud/?domain=cvut.cz)

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