T1491: T1491
Essential information
- MITRE technique ID
T1491- Confidence
- 100/100
- Revoked
- No
- Published
- 16/12/2025 19:38
- Modified
- 27/03/2026 01:09
- Author / Source
- The MITRE Corporation
Aliases
Defacement
Platforms
windows macos linux IaaS ESXi
Description
Adversaries may modify visual content available internally or externally to an enterprise network, thus affecting the integrity of the original content. Reasons for [Defacement](https://attack.mitre.org/techniques/T1491) include delivering messaging, intimidation, or claiming (possibly false) credit for an intrusion. Disturbing or offensive images may be used as a part of [Defacement](https://attack.mitre.org/techniques/T1491) in order to cause user discomfort, or to pressure compliance with accompanying messages.
Kill chain phases
| Kill chain | Phase |
|---|---|
| mitre-attack | impact |
Marking (TLP)
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