Sinclair Broadcast Group said on Monday that it had a data breach and is still working to determine what information it contained.
The company said it launched an investigation into a potential security incident on Saturday, and on Sunday identified certain servers and workstations that were encrypted with ransomware. He also found that some office and operational networks were disrupted. The data was also taken from the company’s network.
The Hunt Valley, Maryland-based company owns and / or operates 21 regional sports networks and owns, operates and / or provides services to 185 television stations in 86 markets.
Sinclair said he has taken steps to contain the incident and that his forensic investigation is ongoing. However, the company said the data breach caused – and may continue to cause – disruption to parts of its business, including certain aspects of local advertising of local broadcasters on behalf of its customers. The company said it is working hard to restore operations quickly and safely.
Sinclair said it is currently unable to determine whether the data breach will have a material impact on its business, operations or financial results.
Shares declined ahead of the market open.