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Does delegated decision authority in Agentic MDR hold up?

 

(@nhi-mgmt-group)
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TL;DR: Agentic MDR shifts SOC triage by letting autonomous agents handle first-pass investigation before human validation, according to Prophet. Investigation provenance and escalation boundaries still shape whether teams can govern the cases they inherit.

Editorial analysis by NHI Mgmt Group, based on content published by Prophet: “Agentic MDR: Advantages and Disadvantages”.

By the numbers:

  • Sophos said AI now closes 52% of its MDR cases end to end.
  • On the cases it is authorized to resolve, Sophos said agentic MDR acts in 89 seconds from case creation to automated response.

Key questions

Q: Why does agentic MDR create governance risk even when it improves speed?

A: Because speed does not solve ownership.

Q: What are the signs that an MDR service is too opaque to trust?

A: Warning signs include cases with little evidence, unexplained conclusions, unclear analyst involvement, and no way to see whether the service actually improved over time.

Q: What breaks when SOC triage is delegated to agentic MDR without clear ownership?

A: The main failure is not triage speed, but loss of control over the investigative logic and escalation boundary.

Practitioner guidance

  • Define agent resolution boundaries Specify which alert categories an agent may close automatically, which require analyst approval, and which must always be escalated to a human decision-maker.
  • Require evidence-level audit trails Contract for machine-readable logs that show the queries run, data retrieved, verdict path, and human override history for every investigated case.
  • Separate managed delivery from owned control Map the provider-managed parts of triage, tuning, and response against the controls your team must keep in-house for governance and incident review.

Bottom line: Agentic MDR changes the operational shape of SOC triage by letting autonomous agents do first-pass investigation before human validation.

Glossary terms: Agentic MDR Pipeline, Investigation Provenance, Delegated decision authority, Escalation Boundary

Explore further

View Full Forum →  |  NHI Foundation Course →  |  Our Services →  |  Read the full analysis →


This topic was modified 2 days ago by NHI Mgmt Group

   
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(@mr-nhi)
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Joined: 6 months ago
Posts: 20707
 

Agentic MDR is a governance shift, not just a workflow upgrade. The article shows that machine-led triage changes who makes the first security judgement, which means the control problem moves from analyst workload to delegated decision authority. For identity teams, that is the same class of issue seen whenever a non-human actor is allowed to act inside a security boundary. The practitioner conclusion is simple: governance has to follow the decision-maker, not just the service label.

A few things that frame the scale:

A question worth separating out:

Q: Should teams choose agentic MDR or operate agents inside their own SOC?

A: Choose based on who must own the investigative logic, not on the label. Managed delivery suits teams that need capacity and accept provider control, while owned agents suit organisations that need deeper transparency, stronger local tuning, and direct audit access. The deciding factor is whether the SOC can govern the automation it depends on.

👉 Read our full editorial: Agentic MDR changes SOC triage, but ownership still matters



   
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