Contact information

KPN-CERT: the Computer Emergency Response Team of KPN.

Royal KPN N.V.

Attn: KPN-CERT

Witte Kruislaan 47a

1217AM Hilversum

KPN-CERT uses Central European Time (CET), including Daylight Saving Time (DST).

As such, UTC+0100 in winter and UTC+0200 in summer.

KPN-CERT is only reachable by phone for KPN employees.

General contact information of KPN can be found here.

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The KPN-CERT is reachable via cert@kpn-cert.nl (main mail address) and info@kpn-cert.nl (for questions only). Apart from the addresses listed above, each member of the CERT team has a personal e-mail address in the @kpn-cert.nl domain. Please do not use personal addresses for communicating incidents, questions, and so on; use the KPN-CERT main address instead. General contact information of KPN can be found here.

Abusive behaviour from IP addresses originating from KPN’s network, as well as phishing e-mails in KPN’s name, can be reported to the abuse desk: abuse@kpnmail.nl Responsible disclosure reports can be sent to cert@kpn-cert.nl. If applicable, use the PGP key to send the report encrypted. Click here for more information and our conditions regarding responsible disclosure reports.