MSPs

Winsage
March 2, 2026
The migration from NTLM to Kerberos authentication is essential for improving security in Windows systems, but it faces challenges such as legacy systems and hardcoded authentication. Organizations must identify NTLM usage, conduct testing with NTLM disabled, and make necessary adjustments or upgrades to migrate successfully. Ongoing monitoring is crucial post-migration to prevent NTLM from re-entering the network. NTLM is associated with significant security vulnerabilities and has been exploited by various threat groups, making its elimination a priority for organizations despite potential hesitations to invest in the migration process. Transitioning to Kerberos is seen as a strategic security investment.
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