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Earlier this year, Australian police arrested a passenger for running a malicious Wi-Fi network both at an airport and during a flight. The setup looked just like the airline's own Wi-Fi service, but it wasn't. Instead, it was what cybersecurity researchers call an "evil twin," a fake hotspot designed to trick people into handing over their credentials.

The idea isn't new, but the setting is. For years, fake Wi-Fi networks have been a common trick in cafes, hotels, and airports. What makes this case stand out is that the attacker took it to the skies, exploiting the growing reliance on in-flight Wi-Fi for entertainment and internet access.

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