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Scenario: I'm currently at a hotel and want to connect my Chromecast to the hotel's public Wi-Fi; however, it cannot automatically connect to it because it requires pressing an "Accept" button. I then use my laptop to connect to the public Wi-Fi and turn on the laptop's hotspot and then connect the Chromecast to the hotspot.

How likely is it that my laptop can be hacked merely using it as a hotspot?

Richard Lian
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  • Not relevant to your question, but it may be possible to register the Chromecast on the hotel network by temporarily configuring your computer to appear as the Chromecast on the network by changing the MAC address. – multithr3at3d Jul 29 '22 at 16:41

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To assess the risk, you have to understand the complications of using public Wi-Fi. The attack which might be happening is a Man-in-the-middle attack. So traffic you send and traffic you receive might be intercepted and changed or just read by someone else on the network.

Knowing this, whether or not your Laptop will be "hacked" depends on what you do with the received traffic. Do you have ports open to everyone in the same network or install software via this connection? Then the risk is higher, compared to just using a web service where no credentials are needed.

PasWei
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