Seznam.cz CSIRT

CSIRT (Computer Security Incident Response Team) is our security team. It handles cybersecurity incidents related to services provided by our companies Seznam.cz, a.s., Seznam.cz datová centra, s.r.o., and Seznam.cz TV, s.r.o.

Managed Infrastructure Areas

Autonomous Systems: AS43037 and AS200600
IPv4 ranges: 77.75.72.0/21, 185.66.188.0/22, 185.101.220.0/22
IPv6 ranges: 2a02:598::/32, 2a06:2140::/29
Domains registered to holder SB:SEZNAM-CZ-AS Seznam.cz, a.s.

Security rules for vulnerability testing

Contact for reporting vulnerabilities

Rewards paid for reported vulnerabilities

Trusted Introducer

Contact

When to contact our User Support?

If you are dealing with the blocking of your Seznam.cz Account, changes, recovery or forgotten password, SPAM in your Seznam.cz Email, issues with receiving or sending emails, breach of contractual terms (e.g., fraudulent behavior), etc., you can contact our User Support.

When to contact Seznam.cz CSIRT?

To report security incidents and bug reports, contact our Seznam.cz CSIRT team directly at csirt@firma.seznam.cz. For sensitive communications, use PGP or TLP.

PGP Key ID: 0xA9CCD7EB, Fingerprint: FDB7C0776C9D86E7B30008739C2D1A03A9CCD7EB