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67,000 patient records exposed in California hospital ransomware attack: 5 details

Becker's Hospital Review

Laura Dyrda

An October ransomware attack at Sonoma Valley Hospital in California exposed tens of thousands of patient records, the hospital notified its patients last week.

Five details:

1. Hackers infiltrated the hospital's IT systems, which were shut down to contain the damage. Sonoma Valley partnered with an outside IT company and forensic experts to restore the IT systems.

2. The hospital did not pay the ransom, according to a Dec. 10 notice on the hospital's website. A hospital investigation found that some patient information had been compromised, including health claims sent electronically to insurers.

3. Exposed information included...

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