What is Diamond Model in Cybersecurity?

Frameworks & Standards
ByDecipherU Editorial
Version 1.0 · Published April 2026 · Last verified April 2026

The Diamond Model of Intrusion Analysis describes cyber events using four core features: adversary, infrastructure, capability, and victim. Each intrusion event forms a "diamond" connecting these elements. Analysts use it to pivot from one known element to discover unknowns, such as finding new adversary infrastructure from a known malware capability.

Why Diamond Model Matters for Your Cybersecurity Career

Threat intelligence analysts use the Diamond Model to structure investigations and link related intrusion events. It complements ATT&CK by focusing on relationships between threat actors and their tools. Understanding the Diamond Model is valuable for anyone pursuing threat intelligence or incident response cybersecurity roles.

Which Cybersecurity Roles Use Diamond Model?

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Where Diamond Model is used across DecipherU

1 public surface on the platform reference this term in a meaningful way. Sorted by relevance.

The Diamond Model of Intrusion Analysis describes cyber events using four core features: adversary, infrastructure, capability, and victim. Each intrusion event forms a "diamond" connecting these elements. Analysts use it to pivot from one known element to discover unknowns, such as finding new adversary infrastructure from a known malware capability.

Threat intelligence analysts use the Diamond Model to structure investigations and link related intrusion events. It complements ATT&CK by focusing on relationships between threat actors and their tools. Understanding the Diamond Model is valuable for anyone pursuing threat intelligence or incident response cybersecurity roles.

Cybersecurity professionals who work with Diamond Model include Threat Intelligence Analyst, Incident Responder, SOC Analyst. These roles apply Diamond Model knowledge within the Frameworks & Standards domain.

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