Security researchers have uncovered how marketing companies have started exploiting an 11-year-old bug in browsers’ built-in password managers, which allow them to secretly steal your email address for targeted advertising across different browsers and devices.

The major concern is that the same loophole could allow malicious actors to steal your saved usernames and passwords from browsers without requiring your interaction.

Every modern browser—Google Chrome, Mozilla Firefox, Opera or Microsoft Edge—today comes with a built-in easy-to-use password manager tool that allows you to save your login information for automatic form-filling.

Read full news article on The Hacker News