"Western Digital My Book Live users wake up to find their data deleted. Storage-device maker advises customers to unplug My Book Lives from the Internet ASAP. Western Digital, maker of the popular My Disk external hard drives, is recommending that customers unplug My Book Live storage devices from the Internet until further notice while company engineers investigate unexplained compromises that have completely wiped data from devices around the world."

Source: arsTECHNICA - https://arstechnica.com/gadgets/2021/06/mass-data-wipe-in-my-book-devices-prompts-warning-from-western-digital/