John The Ripper is a tool tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed November 10, 2025; most recent activity November 10, 2025.
John the Ripper is a leading password-cracking tool used by security professionals to test password strength by attempting to crack hashed credentials. It is widely used within Kali Linux and supports multiple hash formats and attack modes (dictionary, brute-force/incremental, and rule-based) for credential auditing. Its ubiquity and effectiveness make it a core asset for password security assessments in cybersecurity operations.
Kali Linux has launched version 2025.4, marking its final update for the year. This release includes three new tools, improvements to desktop environments, and enhanced support for Wayland. The update also features a…