University says they found no evidence that any of the financial information of students or any others files were accessed by the intruders.
Officials at Iowa State University believe the attackers who breached the five departmental servers were trying to use the computing power of the servers to generate virtual currency Bitcoins.
Even though the personal information was not the intended target, the University urges affected students to monitor their financial reports.
Another 18,949 students whose University ID numbers were on compromised servers are being notified about the breach. However, this data have no use beyond their campus.
The breach occurred on Feb 3rd. On Feb 28th, the University came to know two of their servers were infected. On March 28th, they came to know third server having the personal information were also compromised in the breach.
Law enforcement officials have been notified of the security breach.