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

Securelist

November 26, 2025 at 10:00 AM

Actively Exploited

Summary

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.

Original Article Summary

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

Impact

Not specified

In the Wild

Yes

Timeline

Ongoing since 2025

Remediation

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

Read Original Article

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