Officials at Indiana University say that some personal information on students and recent graduates may have been exposed.
That personal information includes names, addresses and Social Security numbers for approximately 146,000 students and recent graduates across seven IU campuses who attended the university from 2011 to 2014.
The school will notify possibly affected students.
IU has set up a call center to handle questions. Call 866-254-1484 after 8 a.m. on Feb. 28.