New Gentlemen Ransomware Breaching Corporate Networks to Exfiltrate and Encrypt Sensitive Data

Cybersecuritynews •Tushar Subhra Dutta • December 15, 2025

Gentlemen ransomware, first identified in August 2025, has rapidly evolved into a significant threat targeting corporate networks globally. Operating on a double extortion model, this group exfiltrates sensitive data before encrypting it, ensuring they can leverage stolen information even if backups exist. The ransomware is developed in the Go programming language, allowing for efficient cross-platform […]

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Gentlemen Ransomware Group Targets Corporations Worldwide The new ransomware group known as 'Gentlemen' has emerged as a significant threat to corporate networks, utilizing a double extortion model that combines data theft with advanced encryption. First identified in August 2025, the group has impacted organizations in 17 countries across North America and South America. 3 sources 48

New Gentlemen Ransomware Breaching Corporate Networks to Exfiltrate and Encrypt Sensitive Data

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