How to Steal Usernames & Passwords Stored in Firefox on Windows 10 Using a USB Rubber Ducky

How to Steal Usernames & Passwords Stored in Firefox on Windows 10 Using a USB Rubber Ducky

A lot of people still trust their web browsers to remember every online account password for them. If you're one of those users, you need to adopt a more secure way of managing passwords, because browser-stored passwords are hacker gold mines. With a USB Rubber Ducky and physical access to your computer, they can have a screenshot of all your credentials in their inbox in less than 60 seconds.


With virtually all services moving to the internet, more and more passwords are needed to manage accounts, perform actions, interact, and view content. All of these web services have different arbitrary password requirements (looking at you, college admission websites), so it's harder for someone to reuse a single password across multiple sites, a practice nobody should have been doing to begin with.


Unique passwords for each website account is necessary to avoid every account being compromised because of one data breach the user may appear in. Because of how terrible human memory is, most people usually just have their web browser remember all their credentials for them. While this is a convenient option, it isn't a very secure one unless all the credentials are locked down with a master password, and it's why more secure password managers like LastPass have become popular (even though they are not hacker-proof).






Firefox's prompt asking me if I want to have the browser save my password.

How Web Browsers Store User Credentials


Some browsers store user credentials locally in unencrypted plain text. Others have implemented security features to prevent any random user from viewing passwords of the primary account owner. For example, Google Chrome requires you to ..

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