are networks of compromised computers controlled by cybercriminals. Botnets can
send out spam, spread malicious software, steal passwords, and more.
Zbot (also known
as the "Zeus Botnet") has been responsible for stealing passwords and other
financial information from infected computers worldwide.
published a special edition of the Security Intelligence Report that details ongoing
success in the battle against Zbot.
Download the Zbot Analysis paper.
For more detailed
information on battling botnets, see the Featured Intelligence section of the Security Intelligence Report
Protect yourself against botnets
your computer with Microsoft Security Essentials Software
Microsoft Security Essentials is the no-cost, high-quality service that helps protect
against botnets and other malicious software.
If you think your
computer is already infected by a botnet, try the following: