Unless you can verify that a hot spot has effective security measures in place, it may be best to avoid sending or receiving sensitive information over that network.

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Given the public's distrust of so many players in the medical ecosystem, she says that consumers need to be allowed to keep any sensitive information they choose out of a network that shares data between hospitals or insurers.

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Data loss prevention systems are useful for monitoring end user activities and identifying suspicious patterns of behavior on the network, like accessing unusually large amounts of sensitive information.

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Reuters reporter Matthew Keys has been indicted for allegedly feeding sensitive information about his former employer to hackers aligned with the subversive online network Anonymous.

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