M0922: Restrict File and Directory Permissions
Restrict access by setting directory and file permissions that are not specific to users or privileged accounts.
Security context for executives and security teams
M0922: Restrict File and Directory Permissions describes Restrict access by setting directory and file permissions that are not specific to users or privileged accounts.
Executive priority
M0922: Restrict File and Directory Permissions is an official MITRE ATT&CK mitigation. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.
Technical view
Security teams should validate M0922: Restrict File and Directory Permissions by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (the platforms named in the official object), and available local telemetry before making detection or mitigation decisions.
Likely telemetry
- Official ATT&CK relationships and object metadata
Detection direction
- Validate whether M0922: Restrict File and Directory Permissions appears in your detection coverage and tabletop scenarios.
- Use the object to align executive risk language with SOC, incident response, and detection engineering work.
- Do not treat ATT&CK relationship context as attribution without corroborating evidence.
Mitigation priorities
- Map the object to existing controls and identify missing telemetry or response ownership.
- Prioritize mitigations that reduce exposure on the listed platforms and tactics.
- Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits
Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.
This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Restrict File and Directory Permissions
Restrict access by setting directory and file permissions that are not specific to users or privileged accounts.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
Techniques used
This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| ICS | T0809 | Data Destruction | Protect files stored locally with proper permissions to limit opportunities for adversaries to impact data storage. CitationNational Institute of Standards and Technology April 2013 |
| ICS | T0873 | Project File Infection | Ensure permissions restrict project file access to only engineer and technician user groups and accounts. |
| ICS | T0881 | Service Stop | Ensure proper process and file permissions are in place to inhibit adversaries from disabling or interfering with critical services. |
| ICS | T0872 | Indicator Removal on Host | Protect files stored locally with proper permissions to limit opportunities for adversaries to remove indicators of their activity on the system. CitationKeith Stouffer May 2015 CitationNational Institute of Standards and Technology April 2013 |
| ICS | T0849 | Masquerading | Use file system access controls to protect system and application folders. |
| ICS | T0873.001 | Siemens Project File FormatSub-technique | Ensure permissions restrict project file access to only engineer and technician user groups and accounts. |
| ICS | T0882 | Theft of Operational Information | Protect files stored locally with proper permissions to limit opportunities for adversaries to interact and collect information from databases. CitationKeith Stouffer May 2015 CitationNational Institute of Standards and Technology April 2013 |
| ICS | T0811 | Data from Information Repositories | Protect files with proper permissions to limit opportunities for adversaries to interact and collect information from databases. CitationKeith Stouffer May 2015 CitationNational Institute of Standards and Technology April 2013 |
| ICS | T0893 | Data from Local System | Protect files stored locally with proper permissions to limit opportunities for adversaries to interact and collect information from the local system. CitationKeith Stouffer May 2015 CitationNational Institute of Standards and Technology April 2013 |
All related ATT&CK context
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.
Imported snapshots across ATT&CK releases(2)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.2 | 1.1 | Current bundle | 6979126884f5… | ||
| 19.1 | 1.1 | Older bundle | 6979126884f5… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
- [1]mitre-attackM0922Open source URL
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