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One possible reason. Bandwidth to the public internet on flights is severely limited. The more devices connected to the public internet on the flight the worse performance for everybody gets. Many, if not most, devices connect to public wifi networks automatically. The CAPTCHA forces an interaction that means only active users motivated enough to get past ...


The web node that provides the internet access for the in-flight wifi is unlikely to be in the plane - it's more likely to be ground based with traffic routed via a satellite connection. Technically, therefore, it can probably be accessed from anywhere in the world. That's why it needs protection from bots. Also (as @PS86 says) where better to deploy an ...


What makes you think that someone would not try to create automated network traffic by executing a bot "in-flight"?


There is no reason not to replace your older CAPTCHAs with this. CAPTCHAs are nasty things with terrible failure rates for legitimate users, even though they've been optimised to no end by security researchers. The first thing security engineers are told is not to serve CAPTCHAs when there's no reason to think a user is not legitimate. The face value of ...

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