In Splunk,default metadatarefers to automatically assigned attributes associated with each event at indexing time that help identify and organize data. These include:
Source: The origin of the data (file, network port, etc.)
Timestamps: The time the event occurred, extracted from the event or assigned at ingestion
Host name: The name of the host generating the event
Event descriptionis not a default metadata field in Splunk. It is typically user-defined or derived from the event content and is not assigned automatically by Splunk.
TheSplunk documentationon event metadata clarifies these standard fields, which are crucial for search filtering and data organization.
[Reference:, Splunk Docs: Understanding Event Metadata, Splunk Cybersecurity Defense Analyst Study Guide, Chapter 4: Data Ingestion and Metadata, Splunk Enterprise Security User Guide, , ]
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