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2020 Corporate Responsibility Report

Our cybersecurity infrastructure

Cyber Emergency Response Team
We are always working to develop new ways to defend against attacks. We launched a Cyber Emergency Response Team (CERT) in the mid-1990s, which is responsible internationally for managing security incidents for our information and network technologies. Since then, we have continued to expand our activities in relation to cyberdefense, and promote more information and information sharing. Since 2020, our CERT has been officially certified according to the SIM3 standard (Security Incident Management Maturity Model). It is now one of only two German CSIRT (Computer Security Incident Response Team) / CERT organizations that comply with this standard.

Cyber Defense Center
The defense center of Deutsche Telekom Security GmbH is the largest integrated cyber defense and security operations center (SOC) in Europe, analyzing around one billion pieces of security-relevant data from 3,000 data sources, almost fully automatically. Our security specialists identify attacks in near real-time, defend against them, and analyze the approach adopted by the attackers. Up to 70 million attacks on Deutsche Telekom honeypot systems – traps deliberately set for attackers – are not uncommon nowadays. In addition, we are the only internet provider in Europe to actively tackle botnets (interconnected computers infected with malware) in the Deutsche Telekom AG network. This is how we protect our infrastructure, and hence also our customers’ data. Some 200 security experts work round the clock at the SOC in Bonn and its affiliated national and international locations.

In the same way, we also provide other companies with our measures to fight cyberattacks: More than 30 German DAX companies and SMEs employ our services for their own protection.

Reporting against standards


Sustainability Accounting Standards Board (SASB)

  • Code TC-TL-230a.2 (Data Security)