The Ohio School Boards Association is dealing with a cyber attack.
The group's members discovered the hack Thursday afternoon when they found they couldn't send or receive emails or access the association's website.
Association CEO Kathy McFarland told WOSU on Friday that she doesn't know who the hackers are. She said there's no indication that the hackers obtained any information.
McFarland said the attack has disrupted operations for the organization, which serves more than 700 school boards and 3,500 board members across Ohio.
She also said once the attack was discovered, the association immediately severed internet connections. The group brought in outside IT experts to investigate.
In a letter to members, McFarland wrote that the association is trying to resume operations as quickly as possible.
"OSBA does not typically store any sensitive personal member data, such as social security numbers or financial information and we have no reason at this time to believe that any sensitive data from members has been compromised," she wrote. "However, it is always a good idea to remain vigilant by monitoring your accounts and being cautious of any unusual activity."
The association employs about 50 people.
The hack comes three weeks after hackers targeted the city of Columbus.
The international group Rhysida has claimed credit for that attack.