When Julliana Samson signed up for Supplemental Nutrition Assistance Program (SNAP) benefits to help afford food as she studied at the University of California, Berkeley, she had to turn in extensive, detailed personal information to the state to qualify.

Now she’s worried about how that information could be used.

The U.S. Department of Agriculture has made an unprecedented demand to states to share the personal information of tens of millions of federal food assistance recipients by July 30, as a federal lawsuit seeks to postpone the data collection.