Communications Center
Get in touch with our security experts
Contact Methods
General Inquiries
support@hakdefnet.comTechnical Support
contact@hakdefnet.orgBusiness Development
contact@hakdefnet.comSchedule a Meeting
Support Hours
European Time Zone (CET)
- Monday - Friday: 9:00 - 18:00
- Saturday: 10:00 - 14:00
Emergency Support
- 24/7 availability for critical security incidents
- Response time: Within 1 hour