MAC Address Spoofing of Bluetooth Devices

by | Dec 12, 2017 | Bluetooth Security, CompTIA, Data Breaches and Prevention, End Point Protection, Mobile Phone Security, Wireless Network And Security

MAC Spoof Bluetooth

All network interfaces that communicate with the network have a unique identifier, and so do Bluetooth devices. Similar to other network devices, attackers can also spoof a Bluetooth device’s MAC address. Let’s understand more about MAC addresses and MAC address spoofing of Bluetooth devices.

What is the Bluetooth MAC address?

The Bluetooth MAC address is a 48-bit unique identifier that uniquely identifies each Bluetooth device. Out of this 48-bit Bluetooth MAC Address, 24 bits are a company identifier, which is unique to the manufacturer. Each vendor registers and obtains MAC prefixes assigned by the IEEE. A vendor may also get more than one MAC prefix, each one used for different products.

The rest of the 24-bit suffix is a company-assigned identifier assigned by the manufacturer. Each vendor assigns a unique 24-bit suffix for each Bluetooth device. Different vendors may assign the same 24-bit suffix for different Bluetooth devices, but that does not create problems as the 48-bit MAC addresses remain different.

How do I get the MAC address of my Bluetooth device?

You can find the MAC Address of your Bluetooth device from the device itself. Go to the settings of your device and select Bluetooth; it will show the MAC Address of the Bluetooth device.

Why is MAC address spoofing done?

MAC address spoofing is changing the device’s MAC Address to some other value. It is done for various reasons. Security experts do this for penetration testing. Attackers spoof MAC addresses mainly to steal sensitive data from the device. They change the MAC address of their device to that of the victim’s device. As a result, data meant for the victim reaches the attackers first. They intercept the data and then forward it to the victim’s device so that it remains undetected.

How is MAC address spoofing done for Bluetooth devices?

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Amrita Mitra

Author

Ms. Amrita Mitra is an author, who has authored the books “Cryptography And Public Key Infrastructure“, “Web Application Vulnerabilities And Prevention“, “A Guide To Cyber Security” and “Phishing: Detection, Analysis And Prevention“. She is also the founder of Asigosec Technologies, the company that owns The Security Buddy.

2 Comments

  1. celebov
    celebov on March 29, 2019 at 3:11 am

    Interesting article. I found your website is really educative, thanks!

    • Amrita Mitra
      Amrita Mitra on March 29, 2019 at 12:51 pm

      Thanks @celebov.

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