How Secure Is Firefox's Password Manager?
Briefly

Mozilla Firefox’s built-in password manager offers users a convenient way to save and auto-fill passwords, comparable in security to premium third-party options when configured correctly.
With the right settings, Firefox Password Manager can provide strong security, functioning similarly to other password managers, though there are inherent risks involved like potential data breaches.
The password manager securely generates unique passwords for websites, ensuring users aren't repeating passwords and enhancing their online security, crucial in a digital environment rife with threats.
The Mozilla Firefox encryption mechanism stores credentials in a secure .json file, enabling easy transfer and offering features like multi-device sync and breach alerts for enhanced user protection.
Read at TechRepublic
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