Cyber Risks · Unit 42 Palo Alto Networks

It’s All in the Name: How Unit 42 Defines and Tracks Threat Adversaries

Summary: Unit 42 explained how it tracks threat activity, starting from artifacts and TTPs found in a single intrusion and building them into activity clusters named with a shorthand like CL-UNK-0042, based on hypothesized motivation where it can be established. Clusters must graduate to temporary threat actor groups, named TGR-{CRI | STA | MIX | UNK}-####, after correlation points are mapped to the Diamond Model of Intrusion Analysis, and Unit 42 prevents direct migration of clusters to formally named actor groups.

Why it matters: Unit 42's naming carries a built-in confidence level: a CL- or TGR- label means the actor identity is still provisional, so a report citing TGR-STA-0051 is not the same as a formal attribution, and treating it as one overstates what the intelligence supports.

Read the original at Unit 42 Palo Alto Networks ↗

Topics
Threat Actors & Nation-State
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