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Johannes Maisack

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TÜViT seal: Telekom Deutschland handles customer data responsibly

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  • No deficiencies in the company's invoicing process for mobile and fixed-network services
  • The company's data-privacy and information-security policies and procedures conform to the very highest standards 
  • A first-ever stress test has been conducted at the company's data center in Biere
TÜViT seal

From left: Andrea Wehner, Head of Security and Data Finance Telekom Deutschland – Dr. Claus Dieter Ulmer, Global Data Privacy Officer at Deutsche Telekom – Klaus Werner, CFO Telekom Deutschland – Jörg Lohrmann, Project Lead TÜV-Certification – Dirk Kretzschmar, Director TÜV Informationstechnik – Stephan Falckenberg, Head of Billing Service Telekom IT – Christian Freckmann, Department Manager Business Security & Privacy TÜV Informationstechnik – Tobias Mielke, Senior Consultant Business Security & Privacy TÜV Informationstechnik.

Whenever Telekom Deutschland's customers make calls or surf the Internet, they generate all kinds of data. Day in and day out, they produce data covering such things as the numbers they connect to and the sizes of their downloads. Telekom Deutschland uses such data to generate its invoices. As it does so, it ensures that the data of its customers are protected at every step of the way. Now, TÜV Informationstechnik (TÜViT), an independent testing institute for IT security, has certified the validity of this claim – for the third time in a row. 

"This seal of quality means something very important, both for us and for our customers. This is because it means that our systems are secure and that our customers can trust us. Whenever and wherever invoices are concerned, i.e. when the issue is money, trust and security mean everything," stated Klaus Werner, Finance Director at Telekom Deutschland. "A certificate is worth more than a thousand words – and we've received two certificates. One is for our quality assurance processes in connection with invoices. It certifies that we are always up to date with our technologies and convergence products, in spite of the changes always occurring around us. And the other certificate is for our data privacy and information security," Werner added. 

Using billions of data

Telekom Deutschland evaluates customer data on a monthly basis, in order to generate its monthly invoices. The data in question cover such things as numbers called and data downloads. All in all, billions of such customer data have to be analyzed to produce the company's invoices for its telecommunications (fixed network and mobile) and MagentaEins services. The IT systems that Telekom Deutschland uses for this purpose are secure. And all pertinent procedures, throughout the spectrum from data collection to final invoice preparation and subsequent data deletion, conform to the most stringent security criteria. The quality seal the company has now received from TÜV Informationstechnik is its third. It follows a first certification in 2013 and a renewal in 2016. 

For the certification, which was carried out over the past nine months, TÜViT closely looked at much more than just Telekom Deutschland's invoicing processes. For the first time, its testers also tested the security framework at the company's high-security data center in Biere. They also carried out security tests on the Telekom Deutschland website, under realistic conditions. "In cooperation with Telekom IT's security officers, we thoroughly tested the systems, and we can certify that Telekom Deutschland takes data security and system security very seriously indeed. It works very reliably and professionally, in order to protect its customers' most valuable assets," stated Dirk Kretzschmar, Managing Director of TÜV Informationstechnik GmbH, during the certificate presentation in Bonn. 

Telekom Deutschland's data-handling procedures conform to the highest standards

"The company's systems have the highest standard of protection, and not only from a technical standpoint. The company's data handling and processing procedures conform fully to the provisions of the new General Data Protection Regulation (GDPR)," noted Claus-Dieter Ulmer, Global Data Privacy Officer at Deutsche Telekom. Deutsche Telekom place top priority on data privacy and do everything possible to gain and keep their customers' trust. "Data privacy and information security have become key competitive factors for companies. So we are especially pleased with this repeat positive result," Ulmer added. 

About Deutsche Telekom: Company profile

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