set

Social-Engineer Toolkit

Platforms: Linux · Last verified September 6, 2026

The Social-Engineer Toolkit (SET) is an open-source Python-driven tool aimed at penetration testing around Social-Engineering.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Install on Kali Linux with `sudo apt install set`. See the official Kali tool page and upstream homepage linked above for full usage and configuration details.

Commonly preinstalled on

Kali Linux

Debian-based distribution built for penetration testing and security auditing