In the context of penetration testing, what is the primary goal of using a packing tool?

In penetration testing, a packing tool is primarily used to obfuscate or disguise the payload, thereby making it less detectable by security software such as antivirus programs. This is crucial during a test, as testers aim to simulate an actual attack by malicious actors. By packing a payload, the signature or behavior of the code can be altered, potentially allowing it to bypass security measures that would typically flag or block it. This technique enhances the stealth of the penetration test, allowing for a more accurate assessment of a system's vulnerabilities and defenses.

While other options may have their respective applications in different contexts, they do not directly address the specific purpose of a packing tool in the realm of penetration testing. Increasing bandwidth, compressing files, or facilitating compatibility does not align with the primary function of reducing the likelihood of detection by security mechanisms, which is central to the use of packing tools in this profession.