Has targeted IT and service providers in an effort to obtain credentials, relying largely on compromised VPN accounts for initial access.1
Trusted Relationship T1199
- Tactic
- Initial Access
- Platforms
- IaaS, Identity Provider, Linux, macOS, Office Suite, SaaS, Windows
- Version
- 2.4
- Created
- 18 April 2018
- Last modified
- 12 May 2026
- Contributors
- Praetorian; ExtraHop; Jannie Li, Microsoft Threat Intelligence Center (MSTIC)
Adversaries may breach or otherwise leverage organizations who have access to intended victims. Access through trusted third party relationship abuses an existing connection that may not be protected or receives less scrutiny than standard mechanisms of gaining access to a network.