ARP/DNS attacks

Question 1

What is an ARP Cache Attack?

Answer 1

An ARP cache attack is a cyber attack that allows an attacker to intercept, modify or block data on a network.

Question 2

How do ARP Cache Attacks work?

Answer 2

The attacker sends a fake ARP reply message to the network’s default gateway, the default gateway receives the message and broadcasts it to all other devices on the network. The target’s traffic is now sent to the attacker’s computer instead of its intended destination. The attacker can inspect or modify the traffic before it reaches its destination.

Question 3

What damage can ARP Cache Attacks cause?

Answer 3

ARP Cache attacks can be used to steal data, perform man in the middle attacks, hijack sessions and perform denials of service attacks.

Question 4

What is a DNS attack?

Answer 4

A DNS attack is a cyber assault that exploits vulnerabilities in the Domain Name System to disrupt the internet’s functionality.

Question 5

What are the dangers of a DNS attack?

Answer 5

There are many danger of DNS attacks including users being redirected to malicious websites without their knowledge, attackers being able to gain unauthorised access to sensitive or confidential data and attackers are able to overwhelm DNS servers to cause service disruptions.