national health IT safety center

A rapid increase in computerization of health care organizations (HCOs) around the world has raised their profile as lucrative targets for cyber-criminals. Recently there has been a spate of high-profile ransomware attacks involving hospitals’ electronic health record (EHR) data.Briefly, ransomware attacks commonly start when a user is conned into clicking an internet link or opening a malicious email attachment. Malware, or software that is intended to damage or disable the computer, is then downloaded and rapidly encrypts data on that computer and attempts to reach out to other computers on the same network to encrypt data on those computers as well; consequently, all encrypted data is inaccessible...

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