Security Incident Response Team NS
since 21 Jan 2019
This information is provided without guarantee or pro-active maintenance.

Fields describing the team

Team Details

Official Name Short Name Country
Security Incident Response Team NS SIRT-NS Netherlands
Established Host Organisation
01 Jan 2016 NS - Nederlandse Spoorwegen (Dutch Railways)


Constituency Type Country of Constituency
CIIP, Commercial Organisation Netherlands
ASNs, Domains, IP ranges Description

NS (Dutch Railways) internal is the main constituency. Main domain name is, many other domain names are in use. Customers of NS are the secondary constituency, when targeted by e.g. phishing attacks using the NS brand.

Team Contact Information

Main Number Emergency Number Fax Number
+31 30 7112421
+31 30 7112421
Email Other contact Postal Address - SIRT-NS
t/a Richard Masmeijer
Laan van Puntenburg 100
3511 ER Utrecht
Business Hours Timezone
09:00 to 17:00 Monday to Friday except on Dutch public holidays Europe/Amsterdam


User ID:      SIRT-NS Team Key <>
Fingerprint:  AA3C 0642 05C8 0F22 69B1 B312 AF09 18B0 D824 2973
Key type:     RSA/4064
Expires:      2019-03-09 -- EXPIRED!


Current State Entry Date
since 21 Jan 2019
09 Mar 2016
Date of Accreditation Date of Certification
08 Jul 2016 -


Date Description
21 Jan 2019 SIRT-NS is no longer accredited
21 Jan 2019 SIRT-NS is no longer suspended
20 Jan 2019 SIRT-NS is now suspended
08 Jul 2016 SIRT-NS is now an accredited team
11 May 2016 SIRT-NS is now an accreditation candidate team
31 Mar 2016 SIRT-NS is now a listed team