From PC World: Microsoft has discovered a new piece of malware that not only spies on data but also renders entire systems unusable. The malware, known as GigaWiper, combines several destructive functions with a powerful backdoor for attackers.
Security researchers at Microsoft Threat Intelligence first detected the activity back in October 2025. The recently published analysis reveals the full extent of the malware’s capabilities.
According to the report, GigaWiper isn’t a traditional wiper malware with a single purpose—it’s far worse. Other security researchers are also tracking the malware under the name BlueRabbit.
One of the most dangerous aspects of GigaWiper is its ability to overwrite hard drives at a low level. Unlike ordinary malware, it doesn’t simply delete individual files but directly accesses the physical drives.
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