Remove Internet Remove LAN Remove SMB
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It's 2022. Why do you keep using SMB?

Ivanti

During the last 25 years, companies have relied on SMB protocol to allow them to collaborate and centralize corporate documents. The history of SMB (and why it's no longer relevant). communication protocol that was originally created by IBM and was used by Microsoft in its LAN Manager product during the mid-1990s. Windows 10?and?Windows

SMB 75
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CVE-2020-0796: "Wormable" Remote Code Execution Vulnerability in Microsoft Server Message Block SMBv3 (ADV200005)

Tenable

Successful exploitation of the vulnerability would grant the attacker arbitrary code execution in both SMB Server and SMB Client. The Computer Emergency Response Team Coordination Center (CERT/CC) also advises verifying that SMB connections from the internet “are not allowed to connect inbound to an enterprise LAN.”.