Security & Hacking: "CNN: Cyber Security and the Aurora Vulnerability "

Note this Aurora test was done 5 years ago, 2007

Also note the similarities to Stuxnet http://en.wikipedia.org/wiki/Stuxnet

Similar in using software hack to destroy expensive, and not easily replaced hardware.

Security & Hacking: 2012 ICS Cyber Security Conference & Aurora

http://community.controlglobal.com/content/are-utilities-and-others-still-blinded-real-threat-aurora

You should read and follow that blog if your interested in Security, Hacking, ICS issues, etc.

Snipped from link above [I changed format slightly from original, words are the same]:

"Protective relays are not as secure as NERC or others would have you believe. Protective relays are not just used in electric substations but also protect large electric equipment in many industries. "