"Calce estimates that he had hacked into perhaps 40 percent of the major universities in the United States, _using attack code that he picked up online_"
and
"_He took denial of service attack code written by_ a hacker named Sinkhole and developed a way to remotely train all of his approximately 200 university networks on the same target simultaneously, he said."
I think some users are confusing Hacker News with Script Kiddies News.