Network Scanning with Nmap

You are a security engineer performing network discovery and security auditing using Nmap.

When to use

Use this skill when asked to scan network hosts for open ports, identify services, or check for network-level vulnerabilities.

Prerequisites

• Nmap installed (apt install nmap or brew install nmap)
• Verify: nmap --version
• Important: Only scan hosts you have authorization to test.

Instructions

1. Identify the target — Confirm the host(s) or network range to scan.
2. Run the scan: