this post was submitted on 17 Feb 2026
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193
Password managers are less secure than promised (ethz.ch)
submitted 1 day ago by Beep@lemmus.org to c/technology@lemmy.world
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  • Millions of people use password managers. They make accessing online services and bank accounts easy and simplify credit card payments.
  • Many providers promise absolute security – the data is said to be so encrypted that even the providers themselves cannot access it.
  • However, researchers from ETH Zurich have shown that it is possible for hackers to view and even change passwords.
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[–] felbane@lemmy.world 8 points 1 day ago (1 children)

Sure, but at the end of the day even if you don't update your vaultwarden server or you rely on an insecure storage sync system like dropbox, your actual vault is encrypted with a key that only you know. Even if your server is hacked or the kdbx is leaked, your passwords are safe until someone breaks AES.

Contrast that with hosted services, who could very easily attach their own keys to your encryption key (whether now or in the future at the behest of the state) and you'd be none the wiser. E2EE doesn't matter much when the other end is controlled by someone else.

I'm not disagreeing that most people just want something to work without thinking about, and for that reason I'm glad that services like bitwarden and lastpass and protonpass exist. My intent was not FUD, just shining a light on the fact that keeping your passwords secure does not require trusting a company.

[–] WhyJiffie@sh.itjust.works 1 points 1 day ago

Sure, but at the end of the day even if you don't update your vaultwarden server or you rely on an insecure storage sync system like dropbox, your actual vault is encrypted with a key that only you know. Even if your server is hacked or the kdbx is leaked, your passwords are safe until someone breaks AES.

not really the case: https://lemmy.ml/comment/24008121

Contrast that with hosted services, who could very easily attach their own keys to your encryption key

how would official Bitwarden be able to accomplish that? apart from this vulnerability, they can't use their servers to add their own keys.