MITRE ATT&CK Technique
T1491Defacement
- First Reported
- —
- Latest Reported
- —
Official 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.
- Tactics
- Impact
- Platforms
- Windows, IaaS, Linux, macOS, ESXi
- MITRE Version
- 1.4
- Last Modified
- Oct 24, 2025