How does NTLM authentication work?

by | Jun 12, 2020 | CCNP, CompTIA, Exclusive Articles, Featured, Securing Authentication

NTLM Authentication

What is NTML?

NTLM is a suite of Microsoft security protocols that provide authentication, confidentiality, and integrity to users. It is a successor of Microsoft LAN Manager or LANMAN. NTLM combines the LAN Manager authentication protocol, NTLMv1, NTLMv2, and NTLM2 Session protocols. Depending on the Group Policy settings one can use these protocols for authentication.


In this article, we will discuss:

  • What is NTML?

  • How does NTLM authentication work?

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Amrita Mitra

Author

Ms. Amrita Mitra is an author, who has authored the books “Cryptography And Public Key Infrastructure“, “Web Application Vulnerabilities And Prevention“, “A Guide To Cyber Security” and “Phishing: Detection, Analysis And Prevention“. She is also the founder of Asigosec Technologies, the company that owns The Security Buddy.

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