Is Firefox password manager safe?

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Mozilla Firefox
Security
In Firefox, I've always used its password manager for a few years but how truly secure is it? My friend had his information stolen through Firefox so I'm a bit worried.
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  • TheRealRaven
    Firefox Password Manager may be the most secure of the browser password managers...

    ...IF you use it as it should be used for secure storage of passwords. That is, if you set a 'Master Password'.

    Otherwise it's not very secure, nor is it otherwise really intended to be "secure". It's intended as a convenience.

    If you have set a 'Master Password' for Firefox, your web passwords are potentially more secure than if you use some other non-browser password managers. In particular, it's open source, where many password managers are proprietary. The open-source for security features implies that any number of security researchers have reviewed the code to see if flaws exist. Program code for proprietary products is hidden. No one knows if it's really any good at all or if flaws have been uncovered.

    In short, if you use it properly, yes, it is secure.

    However, having a password store stolen (as was said to have happened to your friend) implies that the system was already insecure. In order to capture the password store, the system had to be compromised somehow. Virus? Phishing? Physical access? However it was done, it's very likely that you friend could have avoided the problem by safe practices.
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  • ToddN2000
    If used properly it's pretty good. I do not use it myself. I have other methods for securing my passwords.
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  • Kevin Beaver
    I'm curious how your friend had his info breached through Firefox...? I'm guessing it's at least as secure as the big name password managers out there - not that that's saying much given the breaches they experience! As with most things security-related, it's all in the implementation and management.
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