T1593 - Search Open Websites/Domains

Tactics:
Reconnaissance
Platforms:
PRE
Detection:
Not specified
Description:
Adversaries may search freely available websites and/or domains for information about victims that can be used during targeting. Information about victims may be available in various online sites, such as social media, new sites, or those hosting information about business operations such as hiring or requested/rewarded contracts.(Citation: Cyware Social Media)(Citation: SecurityTrails Google Hacking)(Citation: ExploitDB GoogleHacking)

Adversaries may search in different online sites depending on what information they seek to gather. Information from these sources may reveal opportunities for other forms of reconnaissance (ex: [Phishing for Information](https://attack.mitre.org/techniques/T1598) or [Search Open Technical Databases](https://attack.mitre.org/techniques/T1596)), establishing operational resources (ex: [Establish Accounts](https://attack.mitre.org/techniques/T1585) or [Compromise Accounts](https://attack.mitre.org/techniques/T1586)), and/or initial access (ex: [External Remote Services](https://attack.mitre.org/techniques/T1133) or [Phishing](https://attack.mitre.org/techniques/T1566)).
Sub-techniques (3)
ID ATT&CK Actions
T1593.001 Social Media
T1593.002 Search Engines
T1593.003 Code Repositories
Metadata
MITRE ID: T1593
STIX ID: attack-pattern--a0e6614a-7740-...
Platforms: PRE
Created: 13/01/2026 17:48
Updated: 14/03/2026 16:00