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Re:Second data wiper attack hits Ukraine computer networks by phendrenad2 on Wednesday February 23, 2022 @06:12PM (#30447954)
What's an MBR?
Re:Second data wiper attack hits Ukraine computer networks by funwares on Wednesday February 23, 2022 @06:38PM (#30448249)
Master boot record

From the article:

> According to Silas Cutler, a security researcher for Stairwell, KillDisk.NCV doesn’t just destroy local data, but it also damages the master boot record (MBR) section of a hard drive, which prevents the computer from booting into the operating system after the forced reboot—behavior identical with the WhisperGate wiper attack from last month.