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

Private Browsing on Firefox for Android

Does Firefox share my location with websites?

Add Firefox Relay to the Firefox password manager

Configure DNS over HTTPS protection levels in Firefox

HTTPS-Only Mode in Firefox

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

How to manage your camera and microphone permissions with Firefox

Choose a strong password

Firefox Password Manager - Alerts for breached websites

Manage technical and interaction data collection settings in Firefox

Private Browsing - Use Firefox without saving history

Private Browsing in Firefox for iOS

Protect privacy while using Web Authentication

Firefox security features warning on Linux

How do I set up Sync on my computer?

Delete browsing, search and download history on Firefox

Pop-up blocker settings, exceptions and troubleshooting

Remote Content in Messages

HTTPS-Only Mode in Firefox for Android

Global Privacy Control

How do I turn on the Do Not Track feature?

Enhanced Tracking Protection in Firefox for Android

Mobile - Manage Firefox data collection and privacy settings

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How does built-in Phishing and Malware Protection work?

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

Secure website certificate

How to set up Firefox Sync in Firefox for Android

Troubleshoot Firefox issues caused by malware

Introducing Total Cookie Protection in Standard Mode

Privacy-Preserving Attribution

How do I choose what information to sync on Firefox?

SmartBlock for Enhanced Tracking Protection

Automatically trust third-party root certificates

Password Manager - Remember, delete and change passwords in Thunderbird

Firefox connection upgrades - HTTP to HTTPS

How to use Firefox containers

Mozilla Monitor - Frequently asked questions

How does Monitor Plus work?

Grant camera access to Firefox for Android

Microsoft OAuth Authentication and Thunderbird in 2024

Resist Fingerprinting

Introduction to End-to-end encryption in Thunderbird

OpenPGP in Thunderbird - HOWTO and FAQ

Search suggestions in Firefox

Site Information panel

Crash reports in Firefox for Desktop

Manage marketing data settings in Firefox for Android

Clear browsing history in Firefox for iOS

I found a fake Firefox update

How Firefox securely saves passwords

Setup your email account for using End-To-End Encryption

Use a Primary Password to protect stored logins and passwords

Certificate contains the same serial number as another certificate

Protect your Thunderbird passwords with a Primary Password

Share browser windows or your screen with sites you trust

DNS over HTTPS (DoH) FAQs

Total Cookie Protection and website breakage FAQ

How do I change my DNS settings?

How to stop Firefox from making automatic connections

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

Set up a passcode and Face ID in Firefox for iOS

Change your Mozilla account password

Protect your container tabs with Mozilla VPN

Autofill logins on Firefox

Browsing history in Firefox - View the websites you have visited

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

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Firefox privacy and security features

Get started with Mozilla Monitor

Clear your browsing history in Firefox for Android

Disable Firefox Sync

Activate Firefox Relay - Mask your email address

Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN

Resolve breaches with Mozilla Monitor

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

Thunderbird Mobile Telemetry

Getting started with Thunderbird for Android

Mixed content blocking in Firefox

Add trusted websites to your allow list in Firefox Focus

Manage your logins with the Firefox Password Manager

Firefox DNS over HTTPS

Thunderbird Telemetry

What is Mozilla VPN and how does it work?

Site Permissions panel

HTTPS-Only Mode in Firefox Focus for Android

Mozilla VPN - FAQ

HTTPS-First upgrades to secure connections

Firefox Terms of Use FAQ

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

Disable Firefox Sync on a lost phone or tablet

Enhanced Tracking Protection in Firefox for iOS

How Firefox Sync keeps your data safe even if TLS fails

How do I turn on Mozilla VPN?

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

Recommended Firefox privacy and security settings for families

Disable password saving in Firefox

How do I block phone calls or texts to my Relay Phone mask?

Pocket website cookies FAQ

Manage daily usage ping data collection settings in Firefox

Manage marketing data settings in Firefox for Desktop

Block and unblock websites with parental controls on Firefox

How to stay safe on the web

Firefox Focus for Android - Frequently asked questions

Remove a synced device from your Mozilla account

How do I know the status of my sync?

Change your two-step authentication device for your Mozilla account

Is Mozilla VPN free?

Create an email mask through Firefox Relay

What information does Mozilla VPN collect?

Exclude applications from Mozilla VPN protection

Firefox Relay - Email and Phone masks

What to do after a data breach

Safari Integration in Firefox Focus for iOS

Mask your phone number with Relay Phone Masking

How do I report an issue with Firefox Relay?

Monthly Monitor Report Email

Oblivious HTTP (OHTTP) explained

How does Firefox for Android use the permissions it requests?

How do I share Firefox between people on a computer?

Digitally Signing and Encrypting Messages

Open a new private tab in Firefox Focus for Android

Clear your cache without clearing your browsing history

Firefox service providers and partners

Primary Password is replacing Master Password in Thunderbird

Use Multi-Account Containers with Mozilla VPN

Quickly access previously generated masks

Prerequisite for sending an encrypted email message

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

How does Firefox Focus for iOS use the permissions it requests?

How do I change my Privacy features?

How to automatically label your new email masks

Encrypted Client Hello (ECH) - Frequently asked questions

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

Get started with Monitor Plus

Global Privacy Control in Firefox for Android

Using OpenPGP secret keys that advertise features that are not supported by Thunderbird

OpenPGP in Thunderbird for Android - How To

Firefox for Android’s protection against fingerprinters

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

How do I enable the Firefox OS phone lock?

Share your Android device with a Firefox Guest Session

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?

Thunderbird and Logjam

Send usage data on Firefox mobile browsers

Suspicious activity on my Mozilla account

Keep Private Browsing tabs open after exiting Firefox

About Firefox Desktop Attribution

Tracking Protection on Firefox Focus for iOS

Block cookies in Firefox Focus for Android

Private Browsing in Firefox Lite

Firefox Monitor

How do you use Google Firebase in Firefox?

How do you use Adjust in Firefox?

Safe browsing in Firefox Focus

Tracking Protection in Firefox Preview

"Certificate cannot be trusted" warning in Kazakhstan

Firefox Lite - What vendors do you use that could receive my data?

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

Telemetry collection - Windows default browser trends

Disable email forwarding - Stop receiving emails sent through your masks

Use Web Apps with Firefox for Android

OpenPGP Recipient Alias Configuration

How do I reset Mozilla VPN?

Use labels to keep your masks organized in Firefox Relay

Usage Data Changes for Firefox for iOS and Android

What to do after you have subscribed to Mozilla VPN

Install the Firefox Relay extension on Firefox for desktop

Unsafe properties of OpenPGP keys might be ignored

What are email trackers and how can I block them with Firefox Relay?

Change site permissions in Firefox Focus for Android

Thunderbird and OpenPGP Alias Keys

OpenPGP keys might be authentic or counterfeit

Relay Phone Masking - How long can I talk when I get a call?

How does Firefox for iOS use the permissions it requests?

How does Firefox Focus for Android use the permissions it requests?

How do I monitor multiple email addresses?

General questions about privacy protection scans

Pocket for iOS App privacy information

What permissions does Pocket for Android require and why?

Understand Encrypted Client Hello (ECH)

Relay Phone Masking FAQ

How to upgrade to Monitor Plus?

Data broker scan

Data Loss Prevention

Monitor status indicators

Generate strong passwords in Firefox for Android

How Review Checker preserves user privacy

Securing a New Partner for Monitor Plus

Why does Monitor show me in a data breach for a site I never signed up to?

Manage daily usage ping data collection settings in Firefox Focus

Configure DNS over HTTPS protection levels in Firefox for Android

Reset your Mozilla Account password to protect your credentials from the Dark Web

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