Telefonica CSIRT (ES)

Telefonica CSIRT
since 24 Aug 2023
This information is provided without guarantee or pro-active maintenance.

Fields describing the team

Team Details

Official Name Short Name Country
Telefonica CSIRT Telefonica CSIRT (ES) 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 which is monitored during hours of operation. Telefonica CSIRT
Distrito T
Oeste 1, Ronda de la comunicacion
28050 Madrid
Automated Reporting E-Mail Autom. Rep. Supported Formats
- -
Business Hours Timezone
08:00 to 21:00 Monday to Friday Europe/Madrid


Type:   RSA/2048    Expires: never
Fpr:    401B B6EB 8717 955A 3477 B171 5E6E 9E30 EC81 3282
Sub:    RSA/2048  Usage: Encrypt
UID:    CSIRT Telefonica <>
UID:    CSIRT Telefonica <>


FIRST Full Member since 01 Jul 2011


Current State Entry Date
since 24 Aug 2023
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
  • from "TEFCSIRT" to "Telefonica CSIRT (ES)" on 12 Sep 2022


Date Description
24 Aug 2023 Telefonica CSIRT (ES) has completed the re-listing process
17 Feb 2020 Telefonica CSIRT (ES) is no longer accredited
20 Jan 2019 Telefonica CSIRT (ES) is now suspended
09 Jul 2018 Telefonica CSIRT (ES) is no longer suspended
06 Dec 2017 Telefonica CSIRT (ES) is now suspended
04 Apr 2016 Telefonica CSIRT (ES) is now an accredited team
03 Dec 2015 Telefonica CSIRT (ES) is now an accreditation candidate team
12 Aug 2013 Telefonica CSIRT (ES) is now a listed team