A flaw in one of Mac OS X Lion’s command-line utilities has potentially opened a route for an attacker to change a user’s password without knowing the current password. But how big of a concern is it? The issue in question was first brought to light by Patrick Dunstan, author…
Do not give your password over the phone to anyone claiming to be from the HelpDesk or Tech Support
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Use a password in only one place.
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Use a password protected screen saver
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