After finding and monitoring nearby wireless access points and devices connected to them, hackers can use this information to bypass some types of security, like the kind used for Wi-Fi hotspots in coffee shops, hotels, and in flights high above the ground. By swapping their MAC address for that of someone already connected, a hacker can bypass the MAC filter and connect freely.

Password-free networks are common in public spaces, allowing anyone to initially join the network without needing to know a secret password. You’ve likely encountered them at Starbucks, hotel rooms, and on flights… more

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