intrusionfrom

Intrusionfrom is a term used in cybersecurity to describe the origin or source of an intrusion or intrusion attempt. It is typically encountered as a data field in incident reports, security dashboards, and data models that track security events.

The concept covers a range of origin indicators, from technical vectors to contextual sources. Values can include external IP addresses, compromised credentials, phishing campaigns, geographic regions, or intermediary systems such as botnets. While it is not a standardized term across all organizations, intrusionfrom is often treated as a label that helps analysts distinguish where an intrusion activity began or was first observed.

In practice, intrusionfrom is used to support incident response and threat intelligence workflows. Analysts may populate intrusionfrom with a structured identifier (for example, a specific IP or campaign tag) or with free-text notes in early triage. In reporting and visualization, intrusionfrom can be correlated with destination assets, attack techniques, and timeframes to map attack paths and prioritize containment measures.

Limitations and considerations include potential ambiguity and inconsistency in value definitions, privacy and geolocation concerns, and the risk of mislabeling without corroborating data. It is most effective when intrusionfrom is complemented by other fields such as source/destination, protocol, user accounts involved, and observed techniques. Standardizing definitions and maintaining clear data governance helps ensure intrusionfrom remains a reliable component of incident analysis.

See also: intrusion, intrusion vector, source IP, threat intelligence, incident response.