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T1591.001 Determine Physical Locations

Adversaries may gather the victim’s physical location(s) that can be used during targeting. Information about physical locations of a target organization may include a variety of details, including where key resources and infrastructure are housed. Physical locations may also indicate what legal jurisdiction and/or authorities the victim operates within.

Adversaries may gather this information in various ways, such as direct elicitation via Phishing for Information. Physical locations of a target organization may also be exposed to adversaries via online or other accessible data sets (ex: Search Victim-Owned Websites or Social Media).12 Gathering this information may reveal opportunities for other forms of reconnaissance (ex: Phishing for Information or Search Open Websites/Domains), establishing operational resources (ex: Develop Capabilities or Obtain Capabilities), and/or initial access (ex: Phishing or Hardware Additions).

Item Value
ID T1591.001
Sub-techniques T1591.001, T1591.002, T1591.003, T1591.004
Tactics TA0043
Platforms PRE
Version 1.1
Created 02 October 2020
Last Modified 27 August 2021

Procedure Examples

ID Name Description
G0059 Magic Hound Magic Hound has collected location information from visitors to their phishing sites.3


ID Mitigation Description
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.