LAN Manager is a discontinued network operating system (NOS) available from multiple vendors and developed by Microsoft in … See more

LAN Manager authentication uses a particularly weak method of hashing a user's password known as the LM hash algorithm, … See more

Many legacy third party SMB implementations have taken considerable time to add support for the stronger protocols that Microsoft has created to replace LM hashing … See more

The LAN Manager OS/2 operating system was co-developed by IBM and Microsoft, using the Server Message Block (SMB) protocol. It … See more

The LM hash is computed as follows:
1. The user's password is restricted to a maximum of fourteen characters.
2. The user's password is … See more

To address the security weaknesses inherent in LM encryption and authentication schemes, Microsoft introduced the See more

• NT LAN Manager
• Active Directory
• Password cracking See more