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How did threat hunting spend three hours on evidence collection?

 

(@nhi-mgmt-group)
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TL;DR: Threat hunting frameworks can lose the execute phase to evidence friction, Crogl says, when SIEM, EDR and data lakes force analysts into manual query translation and correlation. Hunting teams need federated access and audit trails if they want the framework to finish within the hunt window.

Editorial analysis by NHI Mgmt Group, based on content published by Crogl: “Threat Hunting Frameworks: Why Most Programs Stall at Data Collection”.

Key questions

Q: When should teams prioritise federated search over data normalisation for hunting?

A: Prioritise federated search when the primary problem is investigative speed and fidelity, not long-term warehousing.

Q: How do you know if an AI-powered threat hunting programme is working?

A: A good programme shortens investigation time, improves hunt hypotheses, and leads to detections that map to proven attacker paths.

Q: What breaks when threat hunting data is split across multiple systems?

A: The hunt often breaks in the execute phase.

Practitioner guidance

  • Define hunt success by time-to-evidence Measure how many minutes of each hunt are spent on collection versus analysis, and treat a high collection share as a program risk.
  • Prioritise cross-system query access Enable analysts to query SIEM, EDR and data lake sources from one investigation workflow so the same hypothesis does not need three separate translations.
  • Preserve evidence in native format Avoid forcing every telemetry source into a single normalised schema when source-specific fields are needed for correlation or attribution.

Bottom line: Threat hunting frameworks can be correct in design and still underperform when evidence is too fragmented to analyse within the hunt window.

Glossary terms: Threat Hunting, Federated Search, Time-To-Evidence, Audit Trail

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This topic was modified 7 days ago by NHI Mgmt Group

   
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(@mr-nhi)
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Posts: 20707
 

Evidence fragmentation is now a hunt-governance problem, not just a tooling problem. The article shows that a framework can be methodologically sound and still fail because the analyst cannot reach the required evidence fast enough. That means hunt governance has to include data accessibility, query portability and auditability, not only technique coverage. The programme fails at execution when the evidence layer is more fragmented than the hunt model expects.

A question worth separating out:

Q: What should auditors expect from a defensible threat hunt record?

A: They should be able to see the original hypothesis, every query issued, the evidence returned, the analyst’s disposition decision and the timestamp for that decision. A useful record also includes negative findings, because proving what was not found is part of demonstrating that the hunt was properly executed.

👉 Read our full editorial: Threat hunting stalls when evidence is split across three systems


This post was modified 7 days ago by NHI Mgmt Group

   
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