Sinclair confirms ransomware attack after TV station disruptions

Sinclair Broadcast Group — which controls hundreds of TV stations across the US — has confirmed a ransomware attack on certain servers and workstations.

In a statement and notice sent to the SEC, Sinclair said it was notified of a cybersecurity incident on Saturday, October 16. By Sunday, the company confirmed that it was a ransomware attack and backed up what many online had been reportingoutages at numerous local TV stations. 

“Data also was taken from the Company’s network. The Company is working to determine what information the data contained and will take other actions as appropriate based on its review. Promptly upon detection of the security event, senior management was notified, and the company implemented its incident response plan, took measures to contain the incident, and launched an investigation,” Sinclair said. 

“Legal counsel, a cybersecurity forensic firm, and other incident response professionals were engaged. The company also notified law enforcement and other governmental agencies. The forensic investigation remains ongoing. While the Company is focused on actively managing this security event, the event has caused – and may continue to cause – disruption to parts of the company’s business, including certain aspects of its provision of local advertisements by its local

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