Firefox has some easy to use privacy and security settings. Use these tools, as one way, to prevent hackers from stealing your passwords. Also, block cookies and tracking with a simple mouse click.
To access these settings, go to:
Firefox/Preferences/Privacy (or Security).
Here’s what the panels look like:
Firefox Privacy Settings:
Firefox Security Settings:
These tools help guard against malware or virus attacks, leaving you free to create website awesomeness and inspired designs.