KPN-CERT is the Computer Emergency Response Team of KPN and takes the lead in responding to security related incidents affecting KPN systems. The CERT can be reached by e-mail for security related matters on or directed towards KPN systems. KPN-CERT can be contacted via

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:

Click here for a overview of general contact information of KPN.