Privacy and security

Learn how to protect your privacy and secure your data.

In English

Introducing Total Cookie Protection in Standard Mode

Common Myths about Private Browsing

Enhanced Tracking Protection in Firefox for desktop

Avoid and report Mozilla tech support scams

Third-party trackers

Private Browsing on Firefox for Android

Configure DNS over HTTPS protection levels in Firefox

Private Browsing in Firefox for iOS

Insecure connection password warning in Firefox

Enhanced Tracking Protection in Firefox for Android

Microsoft OAuth Authentication and Thunderbird in 2024

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

Choose a strong password

HTTPS-Only Mode in Firefox

Private Browsing - Use Firefox without saving history

How do I turn on the Do Not Track feature?

Pop-up blocker settings, exceptions and troubleshooting

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Global Privacy Control

Firefox Password Manager - Alerts for breached websites

Delete browsing, search and download history on Firefox

Use a Primary Password to protect stored logins and passwords

Protecting Privacy while using Web Authentication

Remote Content in Messages

Mozilla Monitor - Frequently asked questions

How do I set up Sync on my computer?

How does built-in Phishing and Malware Protection work?

Does Firefox share my location with websites?

How to manage your camera and microphone permissions with Firefox

HTTPS-Only Mode in Firefox for Android

How to use Firefox containers

Allow or block media autoplay in Firefox

Telemetry collection and deletion

Password Manager - Remember, delete and change passwords in Thunderbird

Enhanced Tracking Protection in Firefox for iOS

SmartBlock for Enhanced Tracking Protection

Automatically trust third-party root certificates

Secure website certificate

Search suggestions in Firefox

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

What if I'm locked out of Two-Step Authentication?

How do I choose what information to sync on Firefox?

Introduction to End-to-end encryption in Thunderbird

Total Cookie Protection and website breakage FAQ

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

Secure Firefox passwords with device sign-in

Create secure passwords to keep your identity safe

Mixed content blocking in Firefox

Data broker scan

Clear your browsing history in Firefox for Android

Site Information panel

How to generate a secure password in Firefox

Clear cookies and website data for a single domain in Firefox for Android

How to stop Firefox from making automatic connections

Share data with Mozilla to help improve Firefox

Secure your Mozilla account with two-step authentication

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Clear your browsing history and other personal data on Firefox for Android

Clear browsing history in Firefox for iOS

How to set up Firefox Sync in Firefox for Android

Autofill logins on Firefox

Browsing history in Firefox - View the websites you have visited

Turn on/off saved logins, login sync and login autofill in Firefox for Android

OpenPGP in Thunderbird - HOWTO and FAQ

Firefox privacy and security features

Sync bookmarks, logins and browsing history on Firefox for iOS

Remove a synced device from your Mozilla account

Mozilla account - Managing account data

Disable Firefox Sync

Site Permissions panel

Protect your Thunderbird passwords with a Primary Password

Customize Firefox Home on iOS

Set up a passcode and Face ID in Firefox for iOS

How do I know the status of my sync?

Activate Firefox Relay - Mask your email address

Resolve breaches with Mozilla Monitor

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

Encrypted Client Hello (ECH) - Frequently asked questions

Thunderbird Android Telemetry

Send usage data on Firefox mobile browsers

Change your Mozilla account password

Create an email mask through Firefox Relay

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

Disable password saving in Firefox

Firefox accounts renamed Mozilla accounts - What you need to know

Understand Encrypted Client Hello (ECH)

Global Privacy Control in Firefox for Android

Instructions for obtaining a personal S/MIME certificate by creating a CSR

Block and unblock websites with parental controls on Firefox

How to stay safe on the web

Digitally Signing and Encrypting Messages

About Firefox Desktop Attribution

Using a Primary Password with Sync

Manage your logins with the Firefox Password Manager

How Firefox Sync keeps your data safe even if TLS fails

Primary Password is replacing Master Password

Use Web Apps with Firefox for Android

Disable Firefox Sync on a lost phone or tablet

How do I share Firefox between people on a computer?

How do I enable the Firefox OS phone lock?

Master password requested but not set Redirect 1

Certificates

Why does Thunderbird warn me that my server don't use encryption?

How Thunderbird’s scam detection works?

How can I digitally sign and encrypt emails?

Suspicious activity on my Mozilla account

Keep Private Browsing tabs open after exiting Firefox

How is Facebook Container different from Multi-account Containers?

Firefox Monitor

How do you use Adjust in Firefox?

How Firefox securely saves passwords

Tracking Protection in Firefox Preview

"Certificate cannot be trusted" warning in Kazakhstan

Changing your two-step authentication device for your Mozilla account

My privacy settings were changed from Custom to Standard

Telemetry collection - Windows default browser trends

Disable email forwarding - Stop receiving emails sent through your masks

Grant camera access to Firefox for Android

Primary Password is replacing Master Password in Thunderbird

OpenPGP Recipient Alias Configuration

Usage Data Changes for Firefox for iOS and Android

What to do after a data breach

Unsafe properties of OpenPGP keys might be ignored

Search your browsing history in Firefox for iOS

Recommended Firefox privacy and security settings for families

Recommended Firefox extensions for families and students

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

How does Firefox for iOS use the permissions it requests?

How do I monitor multiple email addresses?

Unlink your Google or Apple ID from your Mozilla account

Monthly Monitor Report Email

Generate strong passwords in Firefox for Android

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