this post was submitted on 17 Feb 2026
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197
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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[–] ftbd@feddit.org 26 points 1 day ago (1 children)

They advertise that passwords are only stored on the server in encrypted form, meaning they couldn't read them even if they wanted to (or were forced to by a government agency) and you don't have to trust them not to. This paper shows that several vulnerabilities exist in the protocol which could be exploited by malicious code running on the server (injected by hackers or a government agency), which would then allow an attacker to obtain cleartext-passwords. So you do, in fact, have to trust the servers integrity.

[–] 1984@lemmy.today 10 points 1 day ago

Thank you for taking the time to understand and comment, very valuable.