The incident made national headlines last year, but the effects are still lingering.

State officials called the memo a reminder of the degree to which foreign adversaries seek to interfere in the U.S. electoral process.

The incident affected UnityPoint Health, a network of hospitals, clinics, and home care services in Iowa, Illinois, and Wisconsin.

The Department of Homeland Security is on standby to alert state officials of any malicious cyber activity during Tuesday’s primary elections, but it will likely be the…