But the strategy also urges police, prosecutors and the courts to use existing powers to restrict and monitor computer use by convicted cyber criminals, who are considered likely to strike again online.

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Some members of Travelocity's IgoUgo, for instance, strike a rapport online and then make plans to meet in person at different places around the world.

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Now, I have to admit that my favorite online shooters are Counter-Strike and Team Fortress 2.

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Biden tried to strike a similar tone in a recent online video as part of a Facebook town hall.

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If Netflix can successfully continue to strike such deals of original content and differentiate itself against other online competitors, it could sustain its subscriber momentum.

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Another hacker known as th3j35t3r, who has previously sided with the U.S. military against online extremist groups, promised in his twitter feed to strike back at LulzSec.

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"There's a balance here that eBay is going to have to strike, " said Jeff Chester, executive director of the Center for Digital Democracy, an online privacy advocacy group.

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