This one is new to me:

A foreign hacker who penetrated security at a Harrisburg, Pa., water filtering plant is under investigation by the FBI for planting malicious software capable of affecting the plant’s water treatment operations, ABC News has learned.

The hacker tried to covertly use the computer system as its own distribution system for e-mails or pirated software, officials told ABC.

“The concern was high because it is a computer that controls an important infrastructure system, and if, for some reason, it caused it to fail, it would have disrupted service,” said Special Agent Jerri Williams of the FBI’s Philadelphia field office. Hackers Penetrate Water System Computers Richard Esposito, October 30, 2006 3:15 PM

The report says this isn’t the first such water supply cracking incident. Continue reading →