The Utah Department of Technology Services DTS notified the Utah Department of Health UDOH on Monday the server that houses Medicaid claims was hacked. On Wednesday, the UDOH publicly announced the breach. On Friday, DTS revealed the damage:

181,604 Medicaid and Children’s Health Insurance Plan CHIP recipients had their personal information stolen.

Of those, 25,096 appear had their Social Security numbers SSNs compromised.The agency is cooperating with law enforcement in a criminal investigation. The hackers, who are believed to be located in Eastern Europe, breached the server in question on March 30, 2012.

via Medicaid hacked: over 181,000 records and 25,000 SSNs stolen | ZDNet.