As many as 645,000 clients with the Oregon Department of Human Services could have their personal information compromised, according to DHS officials. 

Letters are going out to the people who could be impacted. The data breach occurred in January 2019.

The department is providing 12 months of identity theft monitoring and recovery services including a $1 million insurance reimbursement policy to people whose information was accessible. Instructions on how to enroll in this service is included in each notification letter.