A Go-based malware family called GigaWiper has been reported to combine disk wiping, ransomware-style encryption, and spyware capabilities in a single backdoor, reportedly active for over eight months on Windows systems. Organizations running Windows face potential for irreversible data destruction, operational shutdown, or covert exfiltration depending on how threat actors deploy the malware’s modular capabilities. This report is based on a single unconfirmed discovery; Microsoft Threat Intelligence has not yet published independent confirmation, and the full technical picture and attribution remain unverified pending direct confirmation from Microsoft Threat Intelligence publications.