Zotob costs Holden $6M

Holden was forced to shut down its vehicle assembly plant in Adelaide for several hours after its computer network was infiltrated by what was thought to be the Zotob virus. Holden said its systems were infiltrated early on Wednesday and the company stopped production until lunchtime. Zotob affected various software programs at Holden, including those used to set up the computer chips in each car.

A sobering case study in the quantitative measure of damages from a security incident...