A penetration tester is tasked with demonstrating the impact of an attack on the integrity of data in transit. Which of the following methods would be the BEST to employ to show how an attacker might corrupt the data being sent from a client to a server?
Attempting to break SSL/TLS encryption to make the data readable without authorization.
Conducting an ARP poisoning attack to modify data packets before they reach the server.
Implementing DNS cache poisoning to redirect the client to a malicious server instead.
Performing stress tests on the server to overload it and potentially corrupt its stored data.
The most direct method to corrupt the data in transit is through a Man-in-the-Middle (MiTM) attack, where the attacker has positioned themselves between the client and server to intercept and alter the data being exchanged. ARP poisoning can facilitate this by associating the attacker's MAC address with the IP address of a legitimate host on the network, causing traffic to flow through the attacker. While encryption breaking methods, such as breaking SSL/TLS, could allow access to the data, it is not directly related to data corruption itself. Stress testing for availability (choice C) does not involve changing the content of data packets. DNS cache poisoning (choice D) would misdirect users to incorrect servers instead of corrupting data in transit.
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