Privacy

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A place to discuss privacy and freedom in the digital world.

Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.

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PasswordCard - A interesting option for analog password managers (www.passwordcard.org)

submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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A PasswordCard is a credit card-sized card you keep in your wallet, which lets you pick very secure passwords for all your websites, without having to remember them! You just keep them with you, and even if your wallet does get stolen, the thief will still not know your actual passwords.

A very cute idea, well implemented.

Your PasswordCard has a unique grid of random letters and digits on it. The rows have different colors, and the columns different symbols. All you do is remember a combination of a symbol and a color, and then read the letters and digits from there. It couldn't be simpler!

A chain is only as strong as its weakest link. It's far safer to pick secure passwords and write them down, than it is to remember simple and easy to guess passwords. You already protect your wallet very well, and even if it does get stolen the thief will still not know which of the many thousands of possibilities on the card is your password.

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[–] [email protected] 4 points 11 months ago* (last edited 11 months ago) (1 children)

Yes, if you were using this as a key for a encrypted vaults with nuclear secrets, 8 wouldn't be sufficient.

But if your using this with online services that implement rate limiting, (or TPM, or Hardware security key), the rate limiting makes this sufficiently complex.

So Bitwarden (rate limiting), hardware security key (something you have), and knowing how to read your password card (something you know). Gets you pretty far in terms of usable security.

Nothing is stopping you from using 16, 32, 64 characters, you just have to come up with a system you like to read the card

[–] Dr_Evil 2 points 11 months ago

Fair enough, all good points! Assuming you are using the 8 character columns as unique passwords, I guess this also promotes the use of different passwords for different accounts which is also a good practice!