B

Post-quantum TLS readiness

www.commerzbank.de

Secure today, exposed to harvest-now-decrypt-later

Short answer

As of 2026-11-03, Quantum Aether could not determine whether www.commerzbank.de negotiates post-quantum key exchange: the server or its firewall rejected our raw TLS probe.

GradeB
Key exchange—
Post-quantumundetermined (probe blocked, rescan)
TLSTLSv1.3
Hosting networkCommerzbank Aktiengesellschaft
Country🇩🇪 Germany: #14/26 (52.0%)

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: B

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

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