Server Message Block (SMB) is a communication protocol that allows computers to share files, printers, and other resources on a network. It’s widely used in Windows operating systems and is essential for collaborative work environments. As with any other processes that involve file sharing, using SMB can pose security risks. There’s a chance of unauthorized access and data interception if the system isn’t set up securely.

• Consistent Security Policies: Since an admin can globally force a Microsoft Windows machine to use SMB encryption, it ensures a uniform and robust security policy across the network. This consistency minimizes the risk of vulnerabilities and unauthorized access.
• Preventing Unintended Misconfigurations: Requiring destination servers to support SMB 3.x and encryption allows admins to reduce the risk of unintended misconfigurations that could leave sensitive data exposed. Supporting encrypted protocols also minimizes the chances of oversight by individual users.

One feature that boosts the security of Windows systems is SMB client encryption. It supplies SMB data with end-to-end protection from cyber threats like snooping and interception. SMB encryption debuted with SMB 3.0 on Windows 8 and Windows Server 2012. This encryption technique was further improved with the addition of cryptographic suites like AES-GCM and AES-256-GCM in Windows 11 and Windows Server 2022.

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