If you want to block NTLM attacks over SMB in Windows 11, here is how you can do that. An administrator can block all the NTLM attacks over Server Message Block with the help of the Local Group Policy ...

Server 2008 R2 defaults to a maximum 1-megabyte MTU (Maximum Transmission Unit), but the protocol specification permits even higher values. Microsoft estimates a 30% to 40% gain versus SMB 2.0 in file ...

SMB was originally developed for Windows OS but a later software implementation called Samba made it possible for SMB to be used on Mac OSs or UNIX. Server message blocks run on top of TCP/IP, via ...

Early versions of Server Message Block are still present on many Windows networks and devices, leaving them open to attack. Here's how to detect and disable them. Server Message Block (SMB) is a ...

Microsoft explained in a Wednesday announcement that it didn't actually remove Server Message Block 1 (SMB1) from Windows releases. SMB1 is a deprecated and insecure Windows component still used by ...

Microsoft released the KB4551762 security update to patch the pre-auth RCE Windows 10 vulnerability found in Microsoft Server Message Block 3.1.1 (SMBv3), two days after details regarding the flaw ...

Functional proof-of-concept code for a Server Message Block (SMB) 3.1.1 vulnerability in newer Windows systems has been published, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday warned that functional proof-of-concept code for a Server Message Block (SMB) 3.1.1 vulnerability in newer Windows systems ...

Microsoft has patched a critical remote code execution vulnerability in its Server Message Block (SMBv3) protocol and is urging organizations to deploy updates for the flaw as soon as possible.

A new Microsoft advisory warns of a "Critical"-rated Server Message Block (SMB) 3.1.1 vulnerability in newer supported Windows client and server systems, namely versions 1903 and 1909 of Windows 10 ...