FILE – In this Oct. 12, 2004, file photo, Sinclair Broadcast Group, Inc.’s headquarters stands in Hunt Valley, Md. Sinclair Broadcast Group said Monday, Oct. 18, 2021, that it’s suffered a data breach and is still working to determine what information the data contained. The Baltimore company owns and/or operates 21 regional sports network and owns, operates and/or provides services to 185 television stations in 86 markets.