1password dropbox6/7/2023 In the three known (to us) cases in which someone's 1Password data was compromised, the user used the same password that they used elsewhere for both Dropbox and for their 1Password Master Password. This advice was picked up by XKCD and made famous, but it satisfies what I call the Kantian Principle of password creation advice: Password creation advice should remain good advice even if everyone follows it.ĭo not reuse your Master Password. More than five years ago, we offered some advice on picking a good Master Password in Toward Better Master Passwords. So it is important you pick a good Master Password. Now we make heavy use of PBKDF2 to slow down automated Master Password guessing in the event that the 1Password data is captured, but PBKDF2 and the like only present a speed bump to the attacker it does not provide a solid barrier. It is possible for the data to be stolen, and this is why it is encrypted with keys that are encrypted with keys that are derived from your Master Password. Whether it is stolen from their own computers (someone walks off with a laptop) or from something like Dropbox doesn't really matter. We designed 1Password under the assumption that some people would have their encrypted 1Password data stolen. The long answer is just an explanation of the short answer and a couple of other things. The safety of your 1Password data on Dropbox depends on the quality of your 1Password Master Password. Disclosure: I work for AgileBits, the makers of 1Password.
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