How to Pick Your Password Manager

"Password managers protect you from phishing by memorizing the connection between a password and a website, and, if you use the browser integration, filling each password only on the website it belongs to. They protect you from data breaches by making it feasible to use a long, random, unique password on each site."

"When bad actors get their hands on a data breach that includes email addresses and password data, they will typically try to crack those passwords, and then attempt to login on dozens of different websites with the email address/password combinations from the breach. If you use the same password everywhere, this can turn one site's data breach into a personal disaster."

"Within the Apple ecosystem, you can use iCloud Keychain, with support for generating passwords, autofill in Safari, and end-to-end encrypted synchronization, so long as you don't need access to your passwords in Google Chrome or Android. Google Password Manager does not end-to-end encrypt credentials unless you manually enable on-device encryption."

Password managers defend against phishing and data breaches through two primary mechanisms: they memorize password-website connections and autofill passwords only on legitimate sites, and they enable the use of long, random, unique passwords across all accounts. When data breaches occur, attackers attempt to use compromised email-password combinations on multiple websites. Using identical passwords everywhere transforms a single breach into widespread account compromise. Built-in password managers in browsers and operating systems have improved significantly but face cross-platform limitations. Apple's iCloud Keychain offers password generation and end-to-end encryption within the Apple ecosystem but lacks Chrome and Android support. Google Password Manager provides similar features but does not enable end-to-end encryption by default. Firefox and Microsoft also offer password management solutions.

Read at Electronic Frontier Foundation