February 5th. Hollywood Presbyterian declared an internal state of emergency.
It is believed the hospital got a malware infection called ransomware through someone opening an infected e-mail or from someone visiting an infected website.
Once it was on one computer, it got into the hospital’s network and went everywhere it could while it remained hidden. It would have found all hard drives, data and files that it could. It would have communicated back to the command and control server and then encrypted everything it could get its hands on. Then a screen would pop up explaining to the hospital staff that all their files were locked until a bitcoin payment is sent.
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