Privacy advocates such as the Electronic Privacy Information Center claim the system puts personal information at risk.

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Alliance Tech's founders, Roger Lewis, 48, Timothy Blackwood, 46, and Arturo Borrego, 44, get lots of questions about invasion of privacy but insist that their system avoids snooping by storing any personal information in a separate database.

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But what appears to have happened is a few rogue agents stayed in the system and managed to hack their way to 77 million PSN members personal information, including birthdays, addresses, emails, phone numbers and possibly credit cards.

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