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ČDT-CERT is ČD – Telematika’s security team, taking care of security incidents related to internet connectivity.

AS 25512

IPv4 addresses:

IPv6 addresses:



Operating hours:

Working days 8:00 a.m. – 5:00 p.m.



email: cert@cdt.cz

PGP key: 0xCA81A922

Fingerprint: 3ABF 70CC B28A 3C22 C468 A835 C720 B883 CA81 A922

User ID: CERT<cert@cdt.cz>

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