O2.cz CERT (CZ)

O2 Czech Republic CERT Accredited
Accredited by Trusted Introducer

Fields describing the team

Team Details

Official Name

O2 Czech Republic CERT

Short Name

O2.cz CERT (CZ)

Country

Czech Republic

Established

01 Dec 2013

Host Organisation

O2 Czech Republic

Constituency

Constituency Type

  • ISP Customer Base

Country of constituency

  • Czech Republic

ASNs, Domains, IP ranges

  • 5610
  • 20884
  • chcidoo2.cz
  • davamemilion.cz
  • digitalizujemefirmy.cz
  • firemnitelefony.cz
  • o2.cz
  • o2active.cz
  • o2bs.com
  • o2family.cz
  • o2knihovna.cz
  • o2media.cz
  • o2security.cz
  • o2tv.cz
  • o2tvsport.cz
  • odmenazadobiti.cz
  • 37.188.128.0/17
  • 80.188.0.0/16
  • 83.208.0.0/16
  • 85.70.0.0/15
  • 85.160.0.0/15
  • 88.100.0.0/14
  • 90.176.0.0/13
  • 109.80.0.0/15
  • 160.218.0.0/16
  • 185.61.228.0/22
  • 194.228.0.0/16
  • 81.90.160.0/20
  • 83.69.32.0/19
  • 85.193.0.0/18
  • 88.83.160.0/19
  • 92.243.192.0/19
  • 178.72.192.0/18
  • 217.117.208.0/20
  • 217.194.160.0/20
  • 31.3.32.0/19
  • 37.58.0.0/20
  • 37.152.96.0/19
  • 46.34.224.0/19
  • 91.191.64.0/18
  • 151.236.224.0/20
  • 2a00:1028::/32
  • 2001:41d8::/32
  • 2a02:9b8::/31

The constituency of O2.cz CERT is composed of systems and infrastructure of O2 Czech Republic a.s. and customers of the O2 networks in the Czech Republic. The purpose of O2.cz CERT is to contribute to the security of the company-s ICT infrastructure by building and maintaining the capacity to identify, react to, and resolve computer and information security issues. O2.cz CERT-s missionis to assist users of O2 Czech Republic network in implementing proactive measures to reduce the risks of computer security incidents, and to assist them in responding to such incidents when they occur.

Team Contact Information

Main Number

-

Emergency Number

-

Fax Number

-

Email

Postal Address

O2 Czech Republic a.s. (O2.cz CERT)
Radek Sichtanc
Za Brumlovkou 266/2
140 22 Praha 4
Czech Republic

Business Hours

09:00 to 17:00 Monday to Friday

Timezone

Europe/Prague

Cryptography

PGP key(s) of the team

Type:   RSA/2048    Expires: never
Fpr:    98CC E6AF CCF7 D513 CEA5 1926 615B A4B5 CFEA CC7C
Sub:    RSA/2048  Usage: Encrypt
UID:    O2.cz CERT (O2.cz CERT) <cert@o2.cz>

Classification

Current State

Accredited
Last change: 05 Mar 2025

Entry Date

21 Nov 2023

Date of Accreditation

21 Nov 2023

History

Date Description
21 Nov 2023 O2.cz CERT (CZ) is now an accredited team
11 Jul 2023 O2.cz CERT (CZ) is now an accreditation candidate team
28 Apr 2022 O2.cz CERT (CZ) has completed the re-listing process
04 Mar 2019 O2.cz CERT (CZ) has completed the re-listing process
01 Jan 2014 O2.cz CERT (CZ) is now a listed team