GeoSouthern Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating GeoSouthern Energy Corporation and GEP Haynesville II, LLC (“GeoSouthern”) regarding their recent data breach. The GeoSouthern data breach involved sensitive personal identifiable information and protected health information belonging to over 21,000 individuals.


GeoSouthern is an independent oil and gas exploration and production company. Founded in 1981 by George Bishop, GeoSouthern focuses on the acquisition and development of properties in the Gulf Coast Region. Accordingly, GeoSouthern specializes in the production of the Austin Chalk and Eagle Ford unconventional formulations. With headquarters in Woodland, Texas, GeoSouthern has substantial acreage positions in Gonzales and Lavaca counties.


On December 21, 2022, GeoSouthern discovered that it had experienced a data breach in which the sensitive personal identifiable information and protected health information in its systems may have been accessed. Through its investigation, GeoSouthern determined that an unauthorized actor may have accessed this sensitive information between December 15 and December 21, 2022. On June 23, 2023, GeoSouthern began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Date of birth
  • Driver’s license number
  • Passport information
  • Financial account information
  • Medical information
  • Health insurance information

If you received a breach notification letter from GeoSouthern:

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

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

  1. Carefully review any breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by GeoSouthern Energy Corporation or GEP Haynesville II, LLC;
  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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