Microsoft puts $250,000 price on botnet operators' heads

Microsoft's offering a $250,000 reward for information leading to a successful criminal conviction for the Rustock botnet.

Rustock takedown cuts global spam, but Bagle botnet takes over

Microsoft's recent take-down of the Rustock botnet saw spam levels drop by a third during March, according to Symantec unit MessageLabs.

Rustock botnet downed in coordinated cyber op

Unknown cyber activists have managed to temporarily down the nefarious spam-spewing Rustock botnet.

Rustock botnet back after Christmas break

Oh well, it was nice while it lasted. But, as feared, the Rustock botnet is back, heralding the arrival of millions more spam emails pushing Viagra and penis extension.