Try one of these articles:
- How do I tell if my connection to a website is secure? Firefox uses a padlock icon next to a website's address to let you know your connection is encrypted. Clicking the icon gives you more info about the website.
- Private Browsing - Browse the web without saving information about the sites you visit When using a shared computer, Private Browsing is great for viewing websites without saving stuff like cookies, temp files and a history of the pages you visit.
- How does built-in Phishing and Malware Protection work? Firefox contains built-in Phishing and Malware Protection to help keep you safe online. This article explains how they work.
- How do I turn on the Do Not Track feature? Firefox has a feature that lets you tell websites not to track your browsing behavior. Learn what tracking is, how the feature works and how to turn it on.