Firefox Will Soon Warn Users of Software That Performs MitM Attacks

The Firefox browser will soon come with a new security feature that will detect and then warn users when a third-party app is performing a Man-in-the-Middle (MitM) attack by hijacking the user's HTTPS traffic. From a report: The new feature is expected to land in Firefox 66, Firefox's current beta version, scheduled for an official release in mid-March. The way this feature works is to show a visual error page when, according to a Mozilla help page, 'something on your system or network is intercepting your connection and injecting certificates in a way that is not trusted by Firefox.' An error message that reads 'MOZILLA_PKIX_ERROR_MITM_DETECTED' will be shown whenever something like the above happens.

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