Telefonica CSIRT
since 17 Feb 2020
This information is provided without guarantee or pro-active maintenance.

Fields describing the team

Team Details

Official Name Short Name Country
Telefonica CSIRT TEFCSIRT Spain
Established Host Organisation
02 Oct 2005 Telefonica


Constituency Type Country of Constituency
Commercial Organisation, ISP Customer Base *Europe, Spain
ASNs, Domains, IP ranges Description of Formal Constituency


Telefonica CSIRT supports incident response and security services for the Telefonica group and related organizations for his customers, networks and services. It serves as a coordination and crisis team for the whole Telefonica group. However it will not attend consumers as this is done by other departments in every single country Telefonica operates. And therefore there is no need to publish all contact information to the whole public.
Telefonica CSIRT is declared to the MNC (Multinational Customers) as responsible CSIRT and cooperate with these in case of breach, disaster and other incidents.

Team Contact Information

Main Number Emergency Number Fax Number
Email Other contact Postal Address
- The preferred method to contact Telefonica CSIRT team is to send an e-mail to the address csirt@telefonica.com which is monitored during hours of operation. Telefonica CSIRT
Distrito T
Oeste 3
28050 Madrid
Automated Reporting E-Mail Autom. Rep. Supported Formats
- -
Business Hours Timezone
08:00 to 21:00 Monday to Friday Europe/Madrid


FIRST Full Member since 01 Jul 2011


Current State Entry Date
since 17 Feb 2020
12 Aug 2013
Date of Accreditation Date of Certification
04 Apr 2016 -

Name Changes

This team has changed names:

  • from "Telefonica CSIRT" to "TEFCSIRT" on 08 Feb 2016


Date Description
17 Feb 2020 TEFCSIRT is no longer accredited
20 Jan 2019 TEFCSIRT is now suspended
09 Jul 2018 TEFCSIRT is no longer suspended
06 Dec 2017 TEFCSIRT is now suspended
04 Apr 2016 TEFCSIRT is now an accredited team
03 Dec 2015 TEFCSIRT is now an accreditation candidate team
12 Aug 2013 TEFCSIRT is now a listed team