Port Scanning — Port scanning checks network ports to identify accessible services and their responses. Administrators and testers use it to understand exposure, while attackers use it for reconnaissance. An open port indicates an available communication point rather than proving a vulnerability. – Reconnaissance

Added October 7, 2026

Port Scanning — Port scanning probes network endpoints to determine how particular ports respond. Results can suggest that services are available, closed, or filtered. Authorized administrators and researchers use it for assessment, while attackers use it to identify possible targets.

Added November 6, 2026