Microsoft Windows edges closer to SMB security signing fully required by default
SMB is the protocol Windows uses to transfer files over networks. As well as detecting tampering and impersonation, the signing should also thwart attempts at NTLM relay attacks. In such attacks, a miscreant on the network intercepts an attempt by a user to log into a server so that the attacker is logged in as the user.
"We've made substantial security progress in the last year for SMB but this is certainly the biggest change we've made since the campaign to remove SMB1," Pyle told us."We have many more changes planned for SMB security this year in Insiders, some small defense-in-depth options, but also a few really big ones like this."
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