A spoofing attack is when a malicious party impersonates another device or user on a network in order to launch attacks against network hosts, steady data, spread malware. There are several types of spoofing attacks that malicious parties can use to accomplish this.


The ARP(Address Resolution Protocol) is a protocol used to translate IP addresses into MAC(Media Access Control) addresses in order to be properly transmitted. In short, the protocol maps an IP address to a physical machine address.

This type of spoofing attack occurs when a malicious attacker links the hacker’s MAC address with the IP address of a company’s network. This allows the attacker to intercept data intended for the company computer. ARP spoofing attacks can lead to data theft and deletion, compromised accounts, and other malicious consequences.

The DNS(Domain Name System) is responsible for associating domain names to the correct IP addresses. When a user types in a domain name, the DNS system corresponds that name to an IP address, allowing the visitor to connect to the correct server. For a DNS spoofing attack to be successful, a malicious attacker reroutes the DNS translation so that it points to a different server which is typically infected with malware and can be used to help spread viruses and worms.

The most commonly used attack is the IP spoofing attack. This type of Spoofing attack is successful when a malicious attack copies a legitimate IP address in order to send out IP Packets using a trusted IP address. Replicating the IP address forces systems to believe the source is trustworthy, opening any victims up to different types of attacks using the ‘trusted’ IP packets.

The most popular type of IP attack is DOS(Denial of Service) which overwhelms and shuts down the targeted servers.

A GPS spoofing attack attempts to deceive a GPS receiver by broadcasting incorrect GPS signals, structured to resemble a set of normal GPS signals, or by rebroadcasting genuine signals captured elsewhere or at a different time. These spoofed signals may be modified in such a way as to cause the receiver to estimate its position to be somewhere else.

Public telephone networks often provide caller ID information which includes the callers’ number and sometimes the caller’s name with each call. However, some technologies allow callers to forge caller ID information and present false names and numbers. Gateways between networks that allow such spoofing and other public networks then forward that false information.


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