You can reach the NCSC on workdays (from 08.00 to 17.00) for general enquiries and feedback.

24-hour assistance


Telephone and e-mail

Telephone: +31 70 751 55 55

If you have any questions about a specific topic, please fill in the relevant contact form:


Outside office hours, for emergencies you may contact the NCSC via


Via this link you can copy the PGP-key, with which you can secure e-mails to the NCSC. This key is valid until 1 February 2025.

Visiting address

Turfmarkt 147
2511 DP The Hague
The Netherlands

ID is mandatory when visiting the NCSC.

Postal address

PO box 20301
2500 EH  The Hague
The Netherlands


Our press officer is only available to the media.

Miral Scheffer

Mobile: +31 (0) 6 4615 2268


Questions about this website?

You can send your questions or feedback about this website to

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