A recent computer-industry report said attacks on computer systems will cost more than $350 billion this year. Hundreds of billions of dollars will also be spent to stop such attacks.

　　Trainer Cameron Camp is a security researcher and writer. He says the students are learning how to attack the kinds of computer systems that companies are now using.

　　Its set up very similar to what would be a typical corporate environment, so whether you have wi-fi, whether you have corporate networks that store company information, we actually replicate that.

　　Jomarri Salomon recently graduated from high school. He says the training helped him understand why computer criminals do what they do.

　　To learn how to defend against a hacker, you have to know how a hacker attacks or how a hacker thinks or to be able to defend against that kind of vulnerability that you are probably going to have in the future.

　　Mr. Salomon plans to join the U.S. Air Force and work in computer security.

　　Liz Fraumann works at the nonprofit foundation Securing Our eCity, which helped organize the training. She says students in the program learn a lot more than they think they will.

　　When we look at them initially, they think they know it all. They know a lot already. And by Wednesday [they say], I do not know quite as much as I thought.

　　Cameron Camp says he hopes the students will use what they have learned to help, not hurt, computer users.

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