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Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Privacy and security

Security

Keep yourself secure online.

In English

Firefox security features warning on Linux

Firefox Password Manager - Alerts for breached websites

Certificate contains the same serial number as another certificate

Control personal device and local network permissions in Firefox

Recommended Firefox privacy and security settings for families

Suspicious activity on my Mozilla account

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

Data Loss Prevention

Block and unblock websites with parental controls on Firefox

Compatibility with Exploit protection on Windows

Understand unexpected script warnings in Firefox

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