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Microsoft Security Bulletins
January 2009

by Tony Bradley, CISSP-ISSAP
for About.com

See More About:
To view a summary of the January 2009 bulletins, visit Microsoft Security Bulletin Summary for January, 2009. Click the links below to view the individual Microsoft Security Bulletins and to download any patches that might be required for your system. You can also visit Windows Update to automatically determine what patches or updates your system needs.

1. MS09-001

Vulnerabilities in SMB Could Allow Remote Code Execution
Criticality: Critical

2. About SMB

SMB stands for Server Message Block. SMB is a network protocol used primarily for file sharing. In Microsoft Windows operating systems, SMB relies on TCP ports 135-139 and port 445.
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