Opt-in / Customer Consent
Glossary Page
Informed consent explicitly granted by an individual, typically a customer, allowing the use of their data. It is essential to provide prior information regarding the intended use of the data to the individual who opts in. Any additional usage requires a separate request for a new opt-in. Moreover, only those business units specified in the opt-in text are permitted to access and process the data. For example, if the opt-in is for Telekom Deutschland, T-Mobile Austria is not authorized to read or handle the data. Usually, an opt-in is obtained in written form. It is recommended to seek guidance from the legal department when drafting the opt-in text. Note: In Germany, the corresponding law is § 4a BDSG
https://knowledge.hubspot.com/email/understand-opt-in-consent-for-email
Latest Webinars
Latest Articles
T-Systems launches Catena-X supplier-to-supplier meetup series
T-Systems is launching the Catena-X Supplier-to-Supplier Meetup Series, a monthly, regional platform designed by suppliers, for suppliers. These meetups foster open exchange, practical collaboration, and peer-to-peer learning across supply tiers, helping Tier 1 and Tier 2 suppliers accelerate Catena-X adoption, share real-world experiences, and build trusted networks for the future of the automotive value chain.
Read more
Sven Löffler
Aug 15, 2025
T-Systems is now Catena-X-certified for Company Certificate Management
T-Systems has been officially certified by Catena-X for the Company Certificate Management use case—marking a key milestone for secure and scalable data collaboration in the ecosystem. With our Connect & Integrate solution, companies can get started quickly and in full compliance, without technical complexity. The fully Catena-X-compliant infrastructure (CX-0135) includes features like automated expiry alerts, revocation handling, and seamless integration with internal systems. This helps organizations manage digital identities more efficiently and build trust across company borders.
Read more
Andrea Garcia
Jul 25, 2025
ADIS: Traceability & PCF in Catena-X
ADIS, a leading Tier-1 supplier, partnered with T-Systems to enable scalable, Catena-X-compliant data exchange. Leveraging the "Connect & Integrate" solution, ADIS achieved fast onboarding via a sandbox-to-Pre-Prod approach, enhancing traceability and carbon footprint visibility. This strategic move aligns with industry standards, ensures regulatory compliance, and supports long-term participation in the evolving Catena-X ecosystem—without major in-house development.
Read more
Andrea Garcia
Jun 10, 2025