Our data is valuable. The information we share online is being used for all sorts of things - to spy on us, influence the advertising we see, train algorithms, and more.

To get around this some messaging apps use what's called end-to-end encryption, allowing people to communicate privately. Politicians, CEOs, and militaries use them, but so do criminals. As a result governments around the world have tried to regulate encrypted communications with varying success.

7.30’s Laura Tingle interviews Meredith Whittaker, president of the Signal Foundation which developed one of the most commonly used encrypted messaging apps, Signal.

Subscribe: https://ab.co/3yqPOZ5

Welcome to ABC News In-depth, where you'll find our long-form journalism and other videos to help you understand what's going on in the world around you.

Watch more ABC News content ad-free on ABC iview: https://ab.co/2OB7Mk1

For more from ABC News, click here: https://ab.co/2kxYCZY

Get breaking news and livestreams from our ABC News channel:    / newsonabc  
Like ABC News on Facebook:   / abcnews.au  
Follow ABC News on Instagram:   / abcnews_au  
Follow ABC News on Twitter:   / abcnews  

Note: In most cases, our captions are auto-generated.

#ABCNewsIndepth #ABCNewsAustralia