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TA0043 · RECONNAISSANCE

Employee Names

Adversaries may gather employee names that can be used during targeting. Employee names be used to derive email addresses as well as to help guide other reconnaissance efforts and/or craft more-believable lures.

Detect it with

Much of this activity may have a very high occurrence and associated false positive rate, as well as potentially taking place outside the visibility of the target organization, making detection difficult for defenders.

Why it matters on shift

Employee Names is one of the concrete ways adversaries achieve reconnaissance. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.

What to look for next

After reconnaissance, the next tactic is usually Resource Development. Search your telemetry for the transition before closing the ticket.

Kill-chain context

Reconnaissanceafter →Resource Development