Tentamus Group Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Tentamus Group GmbH regarding its recent data breach. The Tentamus Group data breach involved sensitive personal identifiable information belonging to an undetermined number of individuals.


Tentamus Group is a biotechnology research company specializing in testing food and medical products. As a collection of testing laboratories, Tentamus Group tests a variety of products including food and feed as well as pharmaceuticals, cosmetics, and agriculture. In addition, Tentamus Group offers labeling of these various products to ensure transparency between companies and consumers. Headquartered in Berlin, Germany, Tentamus Group has over 90 laboratories across the world and employs over 4,000 individuals.


Recently, Tentamus Group discovered that it had experienced a data breach in which the sensitive personal identifiable information in its systems may have been accessed. Through its investigation, Tentamus Group determined that an unauthorized actor may have accessed this sensitive information on March 13, 2023. On April 11, 2023, Tentamus Group began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Address
  • Passport number
  • Bank account numbers
  • Employee tax documents (e.g., W-4 and I-9 documents)
  • Identification cards

If you received a breach notification letter from Tentamus Group:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or sam@turkestrauss.com.

If you were impacted by the Tentamus Group data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by Tentamus Group GmbH;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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