Skip to main content
Switch language
Skip to search

Дома
Firefox
Privacy and security

Privacy and security

Learn how to protect your privacy and secure your data.

In English

Common Myths about Private Browsing

Enhanced Tracking Protection in Firefox for desktop

Third-party trackers

Avoid and report Mozilla tech support scams

Introducing Total Cookie Protection in Standard Mode

Does Firefox share my location with websites?

Sponsored shortcuts on the New Tab page

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

HTTPS-Only Mode in Firefox

Telemetry collection and deletion

How do I set up Sync on my computer?

Firefox Password Manager - Alerts for breached websites

Insecure connection password warning in Firefox

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Use a Primary Password to protect stored logins and passwords

Pop-up blocker settings, exceptions and troubleshooting

How to manage your camera and microphone permissions with Firefox

How does built-in Phishing and Malware Protection work?

Protect privacy while using Web Authentication

Secure your Mozilla account with two-step authentication

SmartBlock for Enhanced Tracking Protection

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

Automatically trust third-party root certificates

Secure website certificate

Private Browsing - Use Firefox without saving history

How do I turn on the Do Not Track feature?

Mixed content blocking in Firefox

How to use Firefox containers

Delete browsing, search and download history on Firefox

Search suggestions in Firefox

Configure DNS over HTTPS protection levels in Firefox

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

How to stop Firefox from making automatic connections

Why do I get a harmful download message when downloading Firefox on Windows?

How to generate a secure password in Firefox

Firefox privacy and security features

Global Privacy Control

How do I choose what information to sync on Firefox?

Share data with Mozilla to help improve Firefox

How do I know the status of my sync?

Manage your logins with the Firefox Password Manager

Secure Firefox passwords with device sign-in

Resist Fingerprinting

Site Information panel

My sign in was “blocked for security reasons” on Mozilla account

How Firefox securely saves passwords

Autofill logins on Firefox

Browsing history in Firefox - View the websites you have visited

Delete sync data from Firefox by signing out of your Mozilla account

Recommended Firefox privacy and security settings for families

Encrypted Client Hello (ECH) - Frequently asked questions

How to stay safe on the web

Remove a synced device from your Mozilla account

Disable Firefox Sync

Site Permissions panel

Total Cookie Protection and website breakage FAQ

Block and unblock websites with parental controls on Firefox

How do I share Firefox between people on a computer?

Change your Mozilla account password

Suspicious activity on my Mozilla account

Changing your two-step authentication device for your Mozilla account

Primary Password is replacing Master Password

Understand Encrypted Client Hello (ECH)

Disable Firefox Sync on a lost phone or tablet

About Firefox Desktop Attribution

Firefox DNS over HTTPS

"Certificate cannot be trusted" warning in Kazakhstan

How Firefox Sync keeps your data safe even if TLS fails

DNS over HTTPS (DoH) FAQs

My privacy settings were changed from Custom to Standard

Telemetry collection - Windows default browser trends

Disable password saving in Firefox

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Unlink your Google or Apple ID from your Mozilla account

Illustration of hands

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.