Turk Telekom Cyber Security Center
since 27 Aug 2019

Fields describing the team

Team Details

Official Name Short Name Country
Turk Telekom Cyber Security Center TurkTelekom-CSIRT Turkey
Established Host Organisation
10 Sep 2018 Turk Telekomunikasyon A.S.


Constituency Type Country of Constituency
Commercial Organisation, ISP Customer Base, Service Provider Customer Base Turkey
ASNs, Domains, IP ranges Description of Formal Constituency


Turkey's Multiplay Provider company Turk Telekom has around 14 million fixed access lines, nearly 11 million broadband, 4 million TV and 22 million mobile subscribers as of million mobile subscribers as of December 31th of 2018. Turk Telekom Group companies provide services in all 81 cities of Turkey with 33417 employees with the vision of introducing new technologies to Turkey and accelerating Turkey's transformation into an information society.

Turk Telekomunikasyon A.S., providing PSTN and wholesale broadband services, directly owns 100% of mobile operator 'TT Mobil Iletisim Hizmetleri A.S.', retail internet services, IPTV, satellite TV, Web TV, Mobile TV, Smart TV services provider 'TTNET A.S.', convergence technologies company 'Argela Yazilim ve Bilisim Teknolojileri A.S.', IT solution provider 'Innova Bilisim Cozumleri A.S.', online education software company 'Sebit Egitim ve Bilgi Teknolojileri A.S.', call center company 'AssisTT Rehberlik ve Musteri Hizmetleri A.S.', project development and corporate venture capital company 'TT Ventures Proje Gelistirme A.S.', Electric Supply and Sales Company 'TTES Elektrik Tedarik Satis A.S.', wholesale data and capacity service provider 'Turk Telekom International', and indirectly owns 100% of subsidiaries of 'Turk Telekom International', TV Broadcasting and VOD services provider 'Net Ekran' Companies, telecommunications devices sales company 'TT Satis ve Dagitim Hizmetleri A.S.' and payment services company 'TT Odeme Hizmetleri A.S.' and counselling services company '11818 Rehberlik ve Musteri Hizmetleri A.S.'

Turk Telekom has integrated its Corporate Security Services in Ankara under the largest Cyber Security Center (CSC) in Turkey. Official launch of the center was on 24th of Dec 2018. In this center, end-to-end solutions in global standards addressing the cyber security needs of Turk Telekom customers are be provided, ensuring the continuity of uninterrupted and secure access of customers.

Turk Telekom offers the widest Cyber Security service portfolio in Turkey. In addition to corporate security services already offered, Turk Telekom Cyber Security Center aims to offer all cyber security services and products required by customers such as cyber security management services including security incidence monitoring, analysis and intervention services, and consultancy services which can be served individually as well, and cyber threat intelligence services with the support of Turk Telekom's experience, assurance and quality.

Team Contact Information

Main Number Emergency Number Fax Number
Email Other contact Postal Address
cert@turktelekom.com.tr - Cyber Security Center
Turk Telekom Headquarters
Aydinlikevler Mahallesi
Turgut Ozal Bulvari
06103 Altindag/ ANKARA
Automated Reporting E-Mail Autom. Rep. Supported Formats
- -
Business Hours Timezone
08:00-18:00 from Monday to Friday under normal circumstances. Europe/Istanbul


Type:   RSA/2048    Expires: 2025-06-26
Fpr:    AE26 2475 2273 A64A FC4E 4D99 409A 0F97 0119 B0FF
UID:    TurkTelekom-CSIRT <cert@turktelekom.com.tr>




Current State Entry Date
since 27 Aug 2019
06 May 2019
Date of Accreditation Date of Certification
27 Aug 2019 -


Date Description
27 Aug 2019 TurkTelekom-CSIRT is now an accredited team
17 Jul 2019 TurkTelekom-CSIRT is now an accreditation candidate team
03 Jun 2019 TurkTelekom-CSIRT is now a listed team