Port Scan
nounid
3626·updated May 9, 2026candidate
A port scan is a series of messages sent by someone attempting to break into a computer to learn which computer network services, each associated with a "well-known" port number, the computer provides. Port scanning, a favorite approach of computer cracker, gives the assailant an idea where to probe for weaknesses. Essentially, a port scan consists of sending a message to each port, one at a time. The kind of response received indicates whether the port is used and can therefore be probed for weakness.
MWE
Classifications
Entity Type
Threat85%llm-generatedllm:claude-haiku-4-5
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- Port Scans
- possessive
- Port Scan's
- pluralpossessive
- Port Scans'
Framework definitions
- §1
- A port scan is a series of messages sent by someone attempting to break into a computer to learn which computer network services, each associated with a "well-known" port number, the computer provides. Port scanning, a favorite approach of computer cracker, gives the assailant an idea where to probe for weaknesses. Essentially, a port scan consists of sending a message to each port, one at a time. The kind of response received indicates whether the port is used and can therefore be probed for weakness.
Outgoing relationships
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Incoming relationships
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No other term currently asserts a relationship to this one.