Botnet Responsible for 1/3 of Worlds Spam Shut Down

After carefully analyzing the massive botnet known as Mega-D and Ozdok, the security company FireEye last week launched a coordinated blitz on dozens of its command and control channels used to send new spamming instructions to the legions of zombie machines that make up the network. Almost immediately after this, the spam stopped.

Read the full article here and technical information here.