There's a wireless router gathering dust in Bob LaRocca's office. It's yours if you can hack into his network. First, some background: LaRocca is director of IT security with the School District of Palm Beach County in Florida, where he oversees a network of 60,000 computers in 175 schools and which he says covers more acres than any other school district east of the Mississippi River. Computer security has traditionally been a low priority in the public school system, but that's not the case in Palm Beach County. That's because a computer breach stung the school system in a very public way two years ago when local papers reported that Jeff Yorston, a student at one of the county's schools, got hold of an administrative password and gave himself an "A" in a French class he never took. He also managed to boost the grades of a few friends.
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