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ntlm hardening

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    Preventing Duplicate SID Kerberos NTLM Failures After Windows Updates

    Microsoft’s recent support bulletin and subsequent community reports have exposed a sharp operational edge of identity hardening: after installing October/September updates on Windows 11 (24H2 and 25H2) and Windows Server 2025, some environments experienced widespread Kerberos and NTLM...
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    • duplicate sids enablement package kerberos authentication kerberos ntlm ntlm hardening sid duplication sysprep generalize upgrade paths windows 11 25h2 windows insider windows security
    • Replies: 2
    • Forum: Windows News
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    Securing Windows: How to Harden NTLM Authentication and Protect Your Credentials in 2025

    If you’ve ever wondered whether the relics of IT’s past can come back to haunt you, look no further than NTLM authentication—a sort of ancient curse that’s less Indiana Jones and more Office Space. Windows still ships with this timeworn authentication protocol enabled by default. While it was a...
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    • cloud protection credential theft prevention cyber threats 2025 cybersecurity best practices enterprise security it security strategies legacy protocols multi-factor authentication network security ntlm hardening ntlm security patch management pc security tips powershell security preventing credential leaks rainbow table attacks security hardening smb protocol windows authentication zero-day exploits
    • Replies: 0
    • Forum: Windows News
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