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Cat’s Got Your Files: Lynx Ransomware

December 17, 2025 · DFIR Report · Severity: CRITICAL

Key Takeaways The DFIR Report Services Contact us today for pricing or a demo! The intrusion began in early March 2025 with a single successful Remote Desktop Protocol (RDP) logon to an internet-exposed system. Notably, there was no evidence of credential stuffing, brute forcing, or other failed authentication attempts from the source IP, indicating the […] The post Cat’s Got Your Files: Lynx Ransomware appeared first on The DFIR Report.

Key Takeaways

  • DFIR Report analyzed a Lynx ransomware intrusion that began in early March 2025 with a single successful RDP logon to an internet-exposed system.
  • The initial access showed no evidence of credential stuffing, brute forcing, or other failed authentication attempts.
  • Organizations should secure internet-exposed RDP endpoints, since one successful logon enabled a full ransomware intrusion.
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