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Are Your Bits Flipped? by Joe Kissell

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9. Four Password Myths

Nearly every problem has a clever yet incorrect solution.
Nearly every problem has a clever yet incorrect solution.

In the course of writing extensively about passwords over the years, I’ve come across—and attempted to debunk—quite a few myths involving password security. In this chapter, I want to call your attention to four extremely common misconceptions about passwords, all of which can lead to dangerous behavior.

1: One Password Can Rule Them All

I can’t emphasize strongly enough what a bad idea it is to use the same password in more than one place—even if it’s a great password. Password managers (see 1Password vs. iCloud Keychain, later) make it easy to create a unique ...

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