Sirius Federal Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Sirius Federal, LLC regarding its recent data breach. The Sirius Federal data breach involved sensitive personal identifiable information and protected health information belonging to an undetermined number of individuals.


Sirius Federal is a subsidiary of CDW-G, a leading multi-brand technology solutions provider to business, government, education, and healthcare organizations in the United States, Canada, and the United Kingdom.2 Sirius Federal provides technology solutions and strategic planning services designed for the Federal government. Founded in 1991, Sirius Federal designs, deploys, supports, and maintains the needs of our nation’s critical infrastructure.3 Headquartered in Crofton, Maryland, Sirius Federal employs over 200 individuals.


On August 2, 2023, Sirius Federal discovered that it had experienced a data breach in which sensitive personal identifiable information and protected health information in its systems may have been accessed and acquired. Through its investigation, Sirius Federal determined that an unauthorized actor may have accessed and acquired this sensitive information between July 31, 2023, and August 2, 2023. On January 19, 2024, Sirius Federal began notifying individuals whose information may have been impacted. The type of information potentially exposed includes:

  • Name
  • Social Security number
  • Address
  • Date of birth
  • Government issued ID number
  • Financial information (e.g., account information, credit/debit card information)
  • Medical information
  • Health insurance information
  • Taxpayer identification number

If you received a breach notification letter from Sirius Federal, LLC:

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 Sirius Federal 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 Sirius Federal, 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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