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Old tech, new vulnerabilities: NTLM abuse, ongoing exploitation in 2025

Securelist
Actively Exploited

Overview

The article highlights the ongoing exploitation of NTLM-related vulnerabilities, such as NTLM relay and credential forwarding, in 2025. These vulnerabilities pose significant security risks, indicating a need for urgent attention from cybersecurity professionals to mitigate potential attacks.

Key Takeaways

  • Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
  • Action Required: Implement security best practices for NTLM, disable NTLM where possible, and monitor for suspicious authentication activities.
  • Timeline: Ongoing since 2025

Original Article Summary

This article covers NTLM relay, credential forwarding, and other NTLM-related vulnerabilities and cyberattacks discovered in 2025.

Impact

Not specified

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

Ongoing since 2025

Remediation

Implement security best practices for NTLM, disable NTLM where possible, and monitor for suspicious authentication activities.

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.

Read Original Article

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