Resources focused on external perimeter testing, including internet-facing infrastructure, exposed services, DNS, and attack surface discovery.

Nessus Essentials is a free vulnerability scanner by Tenable, offering high-speed, in-depth scanning for up to 16 IP addresses.

OSINT.ly is a specialized intelligence engine that helps red teams discover subdomains, exposed assets, and digital footprints for advanced target recon.

Pwntools is a CTF framework and exploit development library written in Python, designed for rapid prototyping and exploit creation.

ROADtools is a framework for Azure AD security, offering tools for offensive and defensive purposes, including ROADrecon and roadtx.