T0838 · ATT&CK technique
Modify Alarm Settings
1 actor on record using it
Every mark is an actor ATT&CK records using this technique. Red ones also exploit a CVE in CISA KEV.
Open T0838 on attack.mitre.orgAdversaries may modify alarm settings to prevent alerts that may inform operators of their presence or to prevent responses to dangerous and unintended scenarios. Reporting messages are a standard part of data acquisition in control systems. Reporting messages are used as a way to transmit system state information and acknowledgements that specific actions have occurred. These messages provide vital information for the management of a physical process, and keep operators, engineers, and administrators aware of the state of system devices and physical processes.
Source: MITRE ATT&CK, T0838. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.
Every one of the 1 is a mark on the map. Named now: 1 to 1, most on record first.
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: MITRE ATT&CK (© The MITRE Corporation, reproduced and distributed with its permission), the MISP Galaxy (CC0), and CyberSIXT's own coverage.