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ITDR and identity blind spots: are your controls keeping up?

 

(@nhi-mgmt-group)
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Joined: 1 year ago
Posts: 21730
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TL;DR: Identity-based attacks now evade endpoint, cloud and network tooling because credentials remain the leading initial access vector, cited at 38% of incidents in Verizon’s 2024 DBIR, while identity behaviour often unfolds across weeks, not single alerts, according to 8Layers. Real-time identity context, not raw log volume, is what closes that gap.

Editorial analysis by NHI Mgmt Group, based on content published by 8Layers: “What is Identity Threat Detection and Response (ITDR)”.

Key questions

Q: What breaks when identity attacks are detected quickly but not contained quickly?

A: The control model breaks at the point where valid access still has enough authority to do damage.

Q: Why do identity incidents need real-time behavioural context instead of raw logs?

A: Because raw logs show activity, not meaning.

Q: How do teams know whether identity-based detection is working?

A: Look for detections that correlate identity, behaviour, and privilege changes across environments, not just isolated alerts.

Practitioner guidance

  • Map identity telemetry to attack sequences Correlate authentication events, access changes, and session activity into one timeline so analysts can see a campaign rather than a stream of unrelated signals.
  • Preserve identity context across retention windows Keep structured identity state long enough to connect today’s alert with behaviour that began days or weeks earlier across IdPs and cloud resources.
  • Tune detections for campaign behaviour Review whether your rules detect isolated thresholds only, or whether they can recognise repeated low-severity identity signals as one coordinated intrusion.

Bottom line: Identity attacks are increasingly operationalised as multi-stage campaigns, which makes isolated alerting structurally weak.

Explore further

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(@mr-nhi)
Member Moderator
Joined: 5 months ago
Posts: 21566
 

Identity security fails when it is treated as event correlation instead of behavioural continuity. The article is right that identity attacks unfold over time and across systems, but the deeper issue is that many programmes still assume the useful security object is the alert, not the attack narrative. That assumption breaks when access, entitlement, and session state mutate between detection points. The practitioner takeaway is that identity governance has to preserve continuity, not just visibility.

A question worth separating out:

Q: What should teams do when posture tools and SIEMs do not explain identity behaviour?

A: They should add identity-specific detection that can correlate authentication, entitlement, and session data over time. Posture tools show exposure and SIEMs aggregate events, but neither is enough on its own to expose identity attack campaigns. The missing capability is behavioural interpretation anchored in identity context.

👉 Read our full editorial: ITDR closes the identity blind spot that breach tools miss



   
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