![]() You may be thinking that this will not be possible because the device is already connected, but a “deauth” or “deassoc” attack that forcibly disconnects a device from a Wi-Fi network will allow an attacker to reconnect in its place. RELATED: How an Attacker Could Crack Your Wireless Network SecurityĪll an attacker has to do is monitor the Wi-Fi traffic for a second or two, examine a packet to find the MAC address of an allowed device, change their device’s MAC address to that allowed MAC address, and connect in that device’s place. They’re sent over the air with each packet going to and from the device, as the MAC address is used to ensure each packet gets to the right device. But MAC addresses can be easily spoofed in many operating systems, so any device could pretend to have one of those allowed, unique MAC addresses. MAC Address Filtering Provides No Security ![]()
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