T1591

Gather Victim Org Information

PREnothing on this site yetT1591 on attack.mitre.org

Adversaries may gather information about the victim's organization that can be used during targeting. Information about an organization may include a variety of details, including the names of divisions/departments, specifics of business operations, as well as the roles and responsibilities of key employees. Adversaries may gather this information in various ways, such as direct elicitation via Phishing for Information.
MITRE ATT&CK 19.2, retrieved 2026-09-12

how MITRE says to see it

Detection of Gather Victim Org Information

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.

what reduces it

M1056 Pre-compromise. This technique cannot be easily mitigated with preventive controls since it is based on behaviors performed outside of the scope of enterprise defenses and controls. Efforts should focus on minimizing the amount and sensitivity of data available to external parties.

sub-techniques

T1591.001 Determine Physical Locations · not covered yet
T1591.002 Business Relationships · not covered yet
T1591.003 Identify Business Tempo · not covered yet
T1591.004 Identify Roles · not covered yet

The description, detection analytics and mitigations are reproduced from MITRE ATT&CK, version 19.2, under its terms of use. The checklists, hunts, labs and everything else linked here are this site’s.