Critical

The Gentlemen are knocking: сustom backdoors and evolving tactics

Securelist

June 29, 2026 at 10:00 AM

Actively Exploited

Overview

Kaspersky researchers have investigated the activities of The Gentlemen Ransomware-as-a-Service (RaaS) group, revealing their customized backdoors and evolving tactics. This group has introduced a new variant of ransomware that poses a significant threat to various organizations. The research outlines the tools and techniques used by the group, which are designed to infiltrate systems and encrypt sensitive data for ransom. Companies that rely on digital systems for operations are particularly vulnerable to these types of attacks, highlighting the need for enhanced security measures. Organizations are urged to stay informed about these developments and take proactive steps to defend against such threats.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Organizations using vulnerable systems and networks
Action Required: Organizations should implement robust security measures, including regular software updates and employee training on phishing attacks.
Timeline: Newly disclosed

Original Article Summary

Kaspersky researchers analyze incidents related to The Gentlemen RaaS group, disclose their tools and TTPs, and find a new ransomware variant.

Impact

Organizations using vulnerable systems and networks

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Organizations should implement robust security measures, including regular software updates and employee training on phishing attacks.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Ransomware, Malware, Kaspersky.

Read Original Article

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