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Google, Microsoft Online Apps Raise Security Questions: Page 5 of 5

That's not to say that online apps are any guarantee of secure computing. As the popularity of the software-as-a-service model grows, so too will its problems. Paller predicts an increase in Web apps attacks that attempt to exploit the protocols used by online apps, rather than exploiting holes in the applications themselves, by "piggybacking" on data sent from the Web app to the browser-based client.

But because the desktop model really isn't any better, and is in some ways worse, Paller predicts businesses will overcome their reservations about hosted software. "Security will drive people to centralized applications," he says.