Everything You Need to Know About ARP Spoofing

You must be aware of impersonations in Hollywood movies wherein you find out that a certain villain was pretending to be a good guy until he realizes that time has come to fulfill his nefarious aspirations and bring out who he truly is. Similarly, in the cyber world, there are a lot of fringe elements that pretend to be authentic to trick you into believing them so that they can snoop and steal your sensitive data. By now, you must have got a little bit of idea about what ARP spoofing is. But, before understating how it works, let us look at what the term ARP means. What is ARP? In a simple world, ARP or Address Resolution Protocol helps connect a device to the internet by enabling the network to reach a particular device. ARP’s work is to translate a device’s IP or Internet Protocol address to a MAC or Media Access Control address so that the router can identify and enable the device to connect to the internet. Without using ARP, no device can contact a router. Now, you must be wondering, how does it protect your network? The device maintains an ARP cache that is used to map the IP and MAC addresses. When a device cannot figure out the router’s MAC address, it sends out a request packet where it asks all other devices on the network for the correct MAC address. After getting the response, they can finally connect to the internet. But, where does spoofing comes …

Continue reading "Everything You Need to Know About ARP Spoofing"