Stop using SMB1 - Microsoft Tech Community
techcommunity.microsoft.com › t5 › storage-atApr 10, 2019 · Prevents inspection of data on the wire, MiTM attacks. In SMB 3.1.1 encryption performance is even better than signing! Insecure guest auth blocking (SMB 3.0+ on Windows 10+) . Protects against MiTM attacks. Better message signing (SMB 2.02+). HMAC SHA-256 replaces MD5 as the hashing algorithm in SMB 2.02, SMB 2.1 and AES-CMAC replaces that in ...