Global Ransomware Attack Hits 4 South Korean Firms

By Park Jae-hyuk for Korea Times 

Four unnamed Korean companies have fallen victim to a worldwide cyberattack, according to the Korea Internet & Security Agency (KISA) Sunday.

More public institutions and private businesses are expected to undergo the ransomware attack Monday as their employees return to work and reboot their computers.

Ransomware is malicious software designed to block access to a computer system or data. Hackers encrypt victims’ files and demand hundreds of dollars in virtual money such as bitcoin in a ransom to release the files.

According to KISA, seven institutions, including a university hospital, made inquiries to the agency about the malware as of Sunday afternoon.

The agency offered technical support to the four affected companies, and analyzed the damages to see if they were a result of the global attack.

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