HHS tells hospitals to guard against Ryuk ransomware attack: 10 thinks to know

Becker's Hospital Review

Laura Dyrda

HHS released important updates on the Ryuk ransomware, which is suspected in the recent cyberattack at King of Prussia, Pa.-based Universal Health Systems hospital.

Ryuk ransomware is an encryption used by individuals to lock information within an organization's computer system.

The information HHS released Sept. 29 urges organizations to take action to reduce the risk of attack, according to an American Hospital Association report.

Here are 10 things to know about Ryuk, based on the information from HHS and a report from Bleeping Computer.

1. Ryuk typically begins attacks at night to encrypt systems before detection. It encrypts files using RSA-2048 and AES-256, and it can download additional exploitation tools.

2. Ryuk has been known to...

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