SMB Protocol Explained

NTLM Blocking: Strengthening SMB Security

As cyberattacks grow in scale and sophistication, measures like NTLM blocking are essential to safeguard sensitive authentication data. By enforcing secure defaults and encouraging the use of modern protocols, like Kerberos, Microsoft continues to strengthen the security posture of SMB communications.

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CISA Recommends SMB over QUIC

By embracing SMB over QUIC, organizations can bolster their ransomware defenses while facilitating secure and efficient file sharing across disparate networks. Windows Server 2025 introduced SMB over QUIC support, previously exclusive to Azure environments.

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Secure SMB Protocol Against Malware

By implementing these recommendations and staying vigilant, you can safeguard your networks against potential threats like LockBit and QakBot, ensuring the resilience of your SMB infrastructure in the face of evolving cyber risks.

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Broadening SMB over QUIC Reach

As organizations strive for heightened security and adaptability in their networks, the availability of SMB over QUIC across all editions of Windows Server marks a key step towards achieving these objectives.

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