(ISC)2 Certified in Cybersecurity Practice Exam

The correct choice regarding the primary action associated with a malicious code attack is payload. In the context of cybersecurity, the term "payload" specifically refers to the part of the malicious code that performs the intended harmful action once the code has been executed. This can include activities such as stealing data, installing additional malware, or damaging system files.

When malicious code is deployed, after the infection or execution phase, the payload is what carries out the malicious intent, impacting confidentiality, integrity, or availability of data or systems. Understanding payloads is crucial for cybersecurity professionals, as it helps in identifying potential threats and defending against them by knowing what kind of damage or compromise to expect from various types of malicious code.

While the other terms like exploit, injection, and propagation are related to malicious code attacks, they represent different aspects of the overall attack lifecycle. Exploit refers to the method or technique used to take advantage of a vulnerability in a system. Injection describes a specific type of attack where malicious input is introduced into a data flow, leading to unauthorized command execution. Propagation indicates how malware replicates or spreads to other systems. Each of these terms is important, but in the context of primary actions within a malicious code attack, the term payload is the most accurate descriptor