Dis­clos­ure of in­form­a­tion

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The careless disclosure of information ...

... can serve as a gateway for attackers.

 

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Never give out sensitive information (such as passwords) to strangers, even if you are given apparently plausible reasons.

Lock your computer and close windows and doors when you leave your workplace.

If you want to share data with known persons, use procedures that ensure their identity.