About 531,000 people who had records in a state agency’s hacked prescription-monitoring database will receive letters this week advising them to keep close watch on their credit record. The Virginia Department of Health Professions issued similar advice last month after the hacking of the Internet-accessed database surfaced April 30 but now is notifying people individually to take precautions.

About 531,000 people who had records in a state agency’s hacked prescription-monitoring database will receive letters this week advising them to keep close watch on their credit record. The Virginia Department of Health Professions issued similar advice last month after the hacking of the Internet-accessed database surfaced April 30 but now is notifying people individually to take precautions.