Description: Untrusted sources in the context of penetration testing refer to information or software that cannot be considered safe or truthful. These sources may include hacking tools, scripts, tutorials, or forums that lack proper verification of their authenticity or effectiveness. Using unreliable sources can lead to the implementation of ineffective techniques or, worse, exposure to additional vulnerabilities. In the field of cybersecurity, trust in information is crucial, as decisions based on erroneous data can compromise the security of a system. Therefore, it is essential for cybersecurity professionals to be critical and careful when selecting their information sources, prioritizing those that are recognized and respected in the community. Untrusted sources can arise from the author’s lack of experience, outdated information, or even malicious intent to spread malware. In summary, identifying and rejecting untrusted sources are fundamental steps to ensure effectiveness and security in penetration testing.