Microsoft uncovers GigaWiper, a backdoor designed for destruction on demand

Microsoft is warning defenders about a new backdoor that blurs the line between espionage malware and wipers. In a technical analysis published on Thursday, Microsoft Threat Intelligence detailed GigaWiper, a Golang-based implant first observed in October 2025 intrusions that combines remote administration capabilities with multiple disk-wiping and ransomware routines. Rather than building a new destructive tool from scratch, the operators assembled GigaWiper from several existing malware famili