What is audio fingerprinting? And how to counter it?

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  1. What are websites methods of collecting audio fingerprint? Is it by JavaScript or Java applets or flash plugin?

  2. How to counter it?

  3. Does it work on Android?
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LiefdeWen On

You can block them with permission settings

For websites there might be a security risk when using lesser known or less secure browsers. But Chrome for example allows you to manage permissions per domain or stop it all together:

https://support.google.com/chrome/answer/2693767?co=GENIE.Platform%3DAndroid&hl=en https://ccm.net/faq/30701-prevent-websites-from-accessing-your-camera-and-microphone-on-google-chrome

On Android apps, apps need to explicitly ask for microphone access before recording anything:

https://www.avg.com/en/signal/guide-to-android-app-permissions-how-to-use-them-smartly https://www.psafe.com/en/blog/prevent-apps-using-microphone/

If your concern is purely about your own security, the links I shared have steps for managing your privacy.