Mozilla Firefox Telemetry | Breaches

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Telemetry details for Mozilla Firefox Telemetry

Mozilla Firefox can send a wide range of information to Mozilla in case of crashes and on a daily basis. To quote the official public wiki of the Mozilla project:

It's helpful for Mozilla's engineers and decision-makers to be able to measure how Firefox behaves in the real world. The Telemetry feature provides this capability by sending performance and usage info to Mozilla. As you use Firefox, Telemetry measures and collects non-personal information, such as performance, hardware, usage and customizations. It then sends this information to Mozilla on a daily basis and we use it to improve Firefox.
You can view the data Firefox would transmit by visiting about:telemetry within Firefox. This immunizer ensures that this transmission is disabled.