To begin Bluetooth surveillance, you'll need a fully updated version of Kali Linux installed because we're going to be using Bluetooth tools that are built-in. Because of that, it's useful to do the reconnaissance in case we can either take control of the device, identify a vulnerability, or find a vulnerability later that matches up with one that's nearby. However, we can still track nearby Bluetooth devices, read from them, and even write specific characteristics. Otherwise, you're not going to get anything useful, and it's impossible to jump into the conversation the way you can with Wi-Fi. That means it's impossible to sit there and sniff the key because you need to be there the first time these devices communicate. Instead, Bluetooth negotiates a key once at the beginning, stores the secret key, and then refers to it every time it sees the same device. Robot Hacked BluetoothĪnother property is that Bluetooth doesn't negotiate a key every single time like Wi-Fi does, where it's easy for anyone to join and leave the Wi-Fi network. It makes it difficult for an attacker to listen in on the conversation in the first place. That means we can't merely sit on one frequency and listen because they're going to be hopping all over the place. There's enhanced security so that popular Wi-Fi hacking tools won't work on Bluetooth.įor one, they're continually hopping frequencies, so if you have two devices communicating over Bluetooth, they're both using an algorithm that shifts the frequency many times per second. Hack their Bluetooth connection, and you may be able to access all of that data.Īlthough Bluetooth shares the same 2.4 GHz frequency as Wi-Fi, the properties are different because the protocols are not quite the same. Nearly every device has Bluetooth capabilities, and people store a great deal of personal info on their phones and tablets. Bluetooth hacking gives a clear window into the world of the target.
While many people may use Bluetooth every day, the majority don't know how it works or that it can be hacked.
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