Primary definition
Using a program to remotely determine which ports on a system are open (e.g., whether systems allow connections through those ports. (CNSSI-4009) (NISTIR)
Also known asport sweep · port scan · port probing · port enumeration · network port scanning · TCP/UDP port scanning
2 sources cited4 related termsReviewed Aug 9, 2026
— The State and Local Election Cybersecurity PlaybookView source
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TSLECP
High consensus
Using a program to remotely determine which ports on a system are open (e.g., whether systems allow connections through those ports. (CNSSI-4009) (NISTIR)
The State and Local Election Cybersecurity Playbook · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Port Scanning. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/port-scanning
Sources
2 cited · last checked Aug 9, 2026
01
The State and Local Election Cybersecurity Playbook
The State and Local Election Cybersecurity Playbook
High consensus
02
The Cyber Glossary
The Cyber Glossary
High consensus
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