Via an encryption scheme that uses GPS satellites to track users’ locations, Georgetown professor Dorothy Denning takes the copyright fight to Hollywood–and into the heavens. Now, Denning is pioneering a new type of copyright protection, called geo-encryption. It’s a big deal in the information security arena, earning her the moniker of « America’s cyberwarrior » from Time magazine and stoking the imaginations of everyone from Hollywood movie executives seeking ways to scare off Napster copycats to hospital administrators looking for a safe way to transport patient data across the Internet without fear of privacy breaches.

Today, of course, there’s little to stop someone from posting the latest hit CD or DVD for anyone to download for free. But Denning thinks she’s pretty much solved that problem

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