Privacy and security

Learn how to protect your privacy and secure your data.

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Common Myths about Private Browsing

Enhanced Tracking Protection in Firefox for desktop

Third-party trackers

Avoid and report Mozilla tech support scams

Insecure connection password warning in Firefox

Does Firefox share my location with websites?

Add Firefox Relay to the Firefox password manager

Configure DNS over HTTPS protection levels in Firefox

How to manage your camera and microphone permissions with Firefox

HTTPS-Only Mode in Firefox

Automatically fill in credit card and payment method data on Web forms

Protect privacy while using Web Authentication

Private Browsing - Use Firefox without saving history

Firefox security features warning on Linux

Manage technical and interaction data collection settings in Firefox

Delete browsing, search and download history on Firefox

How do I set up Sync on my computer?

Firefox Password Manager - Alerts for breached websites

Introducing Total Cookie Protection in Standard Mode

Use a Primary Password to protect stored logins and passwords

Pop-up blocker settings, exceptions and troubleshooting

Global Privacy Control

Secure website certificate

Sponsors on the home page and New Tab page

How does built-in Phishing and Malware Protection work?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How do I turn on the Do Not Track feature?

Mixed content blocking in Firefox

Why are some add-ons not allowed on sites restricted by Mozilla?

Manage daily usage ping data collection settings in Firefox

Privacy-Preserving Attribution

Troubleshoot Firefox issues caused by malware

How do I choose what information to sync on Firefox?

SmartBlock for Enhanced Tracking Protection

Automatically trust third-party root certificates

How do I tell if my connection to a website is secure?

Firefox Terms of Use FAQ

Site Information panel

How to use Firefox containers

Resist Fingerprinting

Autofill logins on Firefox

Manage your logins with the Firefox Password Manager

Firefox DNS over HTTPS

Search suggestions in Firefox

Certificate contains the same serial number as another certificate

Crash reports in Firefox for Desktop

Site Permissions panel

Firefox privacy and security features

Oblivious HTTP (OHTTP) explained

Disable Firefox Sync on a lost phone or tablet

Change your Mozilla account password

Disable password saving in Firefox

Block and unblock websites with parental controls on Firefox

How to stop Firefox from making automatic connections

How do I share Firefox between people on a computer?

Remove a synced device from your Mozilla account

How Firefox securely saves passwords

Browsing history in Firefox - View the websites you have visited

Total Cookie Protection and website breakage FAQ

I found a fake Firefox update

DNS over HTTPS (DoH) FAQs

HTTPS-First upgrades to secure connections

Share browser windows or your screen with sites you trust

How do I know the status of my sync?

Encrypted Client Hello (ECH) - Frequently asked questions

Data Loss Prevention

How to stay safe on the web

How Firefox Sync keeps your data safe even if TLS fails

Disable Firefox Sync

Telemetry collection - Windows default browser trends

Recommended Firefox privacy and security settings for families

Sign in to a Mozilla account using 3rd-party authentication

Manage marketing data settings in Firefox for Desktop

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

Suspicious activity on my Mozilla account

About Firefox Desktop Attribution

How do you use Google Firebase in Firefox?

Firefox service providers and partners

"Certificate cannot be trusted" warning in Kazakhstan

Change your two-step authentication device for your Mozilla account

Telemetry collection and deletion

My privacy settings were changed from Custom to Standard

Compatibility with Exploit protection on Windows

Primary Password is replacing Master Password

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Understand Encrypted Client Hello (ECH)

How Review Checker preserves user privacy

Firefox connection upgrades - HTTP to HTTPS

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