What is MAC Address? MAC Spoofing

What  is MAC Address?

MAC Address stands for Media Access Control Address. MAC Address ensures that the physical address of the computer in unique.

The MAC address is formed in the form of 50-64-2b-4e-9e-6f.

When it comes to networking the MAC address is something you surely might have heard of. It stands for Media Access Control. It is a permanent, physical, and unique address assigned to network interfaces by the manufacturer. So, whether it is a wireless card or a wired ethernet card, each of these cards comes up with addresses that are unique to themselves.

As we know, an IP address is used on the internet to identify computers and communicate between the devices. Similarly, the MAC address is used within the network to identify devices and transfer data between devices. Thus, each piece of data or a packet that is sent within the network contains a source MAC and a destination MAC.

Therefore, this packet would flow from the source MAC to the destination MAC.

How to check MAC Address?

Run the command "ipconfig /all" to check the MAC address of various network cards on your Windows System.

Run the command "ifconfig" to check the MAC address of various network cards on your Kali Linux System.

                                   MAC Spoofing

MAC spoofing is a technique for changing a factory-assigned Media Access Control (MAC) address of a network interface on a networked device. It's just like taking over someone else's identity and performing actions by impersonating them.

MAC Spoofing plays a major role when it comes to network hacking. MAC spoofing helps you overtake the identity of some other device in the network and plays a major role in one of the most dangerous attacks called Man-in-the-Middle.

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Why change the MAC address?

Since this is a physical unique address to each interface, to each network devices, and because it is used to identity devices, then changing it will make you anonymous on the network. Not only that, but the MAC address is often used by filters to prevent or allow devices to connect to networks, and do specific tasks on the network.

So being able to change your MAC address to another device's MAC address will allow you to impersonate this devices and allow you to do things that you might not be able to do.

So you'd be able to bypass filters or connect to networks that only specific device with specific MAC address can connect to, and you will also be able to hide your identity.