ransomware
The Gentlemen are knocking: сustom backdoors and evolving tactics
High
Summary
This report details the activities of "The Gentlemen," a ransomware-as-a-service (RaaS) group that has been aggressively targeting large corporations and critical infrastructure since early 2026. The group employs sophisticated tactics including custom tool development, extensive reconnaissance, and lateral movement techniques, often utilizing initial access brokers. Their methods involve exploiting vulnerabilities, disabling security software, and deploying ransomware, highlighting a significant threat to organizations worldwide.
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