Social Engineering Toolkit (SET): Hacking the Human Firewall

Nanda Siddhardha
6 min readNov 9, 2024

In cybersecurity, the concept of the “human firewall” highlights a truth that even the best digital defenses are only as strong as the people behind them. Social engineering attacks, which exploit human psychology instead of technological flaws, remain one of the most effective ways for hackers to bypass security barriers. The Social Engineering Toolkit (SET) is a powerful, open-source tool that helps ethical hackers and security professionals simulate real-world social engineering attacks, allowing them to evaluate and strengthen human vulnerabilities in an organization’s defenses. However, it’s also a favored tool of malicious hackers who use it to launch targeted attacks that can have serious repercussions.

In this post, we’ll dive into what SET is, how it works, the psychology behind its effectiveness, and the steps you can take to protect against social engineering attacks.

What is the Social Engineering Toolkit (SET)?

Developed by security expert Dave Kennedy, the Social Engineering Toolkit is a framework specifically designed for penetration testing and social engineering attack…

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