data leakage....

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Originally uploaded by zimbablade

For instance, the vulnerability of mashups to data leakage "has been one of our critical concerns," says Stanton.

A user might, for example, gain access to a mashup that combines a service for finding local restaurants with information from a social networking or mapping site, says Stanton. "There is the opportunity if the information is not secured across all the boundaries [that] residual information could be left or leaked at any point in the process," he says.

A criminal could figure out where the employee lives based on the restaurant's location and the mashup of the mapping system, adds Stanton. "And yes, if you book online, then guess what, we know where you live [and] what time you're out," he says.