Sinclair Broadcast Group hit with ransomware

Sinclair Broadcast Group, which operates dozens of TV stations across the U.S., said Monday that some of its servers and work stations were encrypted with ransomware and that some of its data was stolen from the company's network.

The company said in a regulatory filing it started investigating the potential security incident on Saturday and on Sunday it and found that certain office and operational networks were disrupted.

The Hunt Valley, Maryland-based company owns and/or operates 21 regional sports network and owns, operates and/or provides services to 185 television stations in 86 markets.