DET0240: Detection Strategy for Steal or Forge Authentication Certificates
DET0240 is a MITRE detection strategy tied to attempts to steal or forge authentication certificates. The business issue is identity trust: certificates ca...
Analyst context for executives and security teams
DET0240 is a MITRE detection strategy tied to attempts to steal or forge authentication certificates. The business issue is identity trust: certificates can function like credentials for domain, device, or identity-provider access, so compromise can undermine normal password-focused controls and affect remote access to systems or resources.
Executive priority
Prioritize this as an identity and resilience question: can the organization prove where authentication certificates exist, who or what can use them, and whether certificate misuse would be visible during an incident? Leaders should ask whether AD CS, Entra ID device certificates, and other certificate-based authentication paths are included in IAM governance, SOC monitoring, incident response playbooks, and audit evidence—not treated as a purely infrastructure concern.
Technical view
The ATT&CK object does not provide an official detection analytic or platform list, but its relationship to T1649 anchors the validation scope: credential-access behavior involving stolen or forged authentication certificates across Windows, Linux, macOS, and identity-provider environments. SOC and IR teams should validate visibility into certificate issuance, renewal, export, enrollment, authentication, and trust-chain changes, especially where certificates bind to user, device, or domain identities. Detection engineering should focus on whether certificate-based authentication can be correlated with identity, endpoint, and certificate authority activity rather than monitored in isolation.
Likely telemetry
- Certificate authority and certificate services logs where applicable
- Identity provider authentication and device identity events
- Endpoint security and operating system logs for certificate store access or certificate material handling
- Directory and IAM audit logs for certificate enrollment, template, trust, or identity binding changes
- Remote access and application authentication logs showing certificate-based sign-ins
Detection direction
- Confirm that certificate-based authentication events are collected and distinguishable from password, token, or key-based authentication.
- Correlate certificate issuance or enrollment activity with subsequent authentication by the associated user, device, or service identity.
- Review whether certificate authority, identity provider, and endpoint telemetry are retained long enough to support incident reconstruction.
- Tune for unusual certificate use patterns in the local environment, while accounting for legitimate administrative enrollment, device provisioning, renewal, and certificate rotation activity.
- Validate coverage across the related ATT&CK platforms: Windows, Linux, macOS, and identity-provider environments, where present in the organization.
Mitigation priorities
- Inventory certificate-based authentication dependencies and ownership before relying on detections.
- Apply least privilege and administrative governance to certificate enrollment, issuance, templates, and trust configuration where such services are used.
- Include authentication certificates in credential protection, IAM review, and incident response procedures.
- Ensure revocation, rotation, and recovery processes are documented and testable for certificates used as authentication material.
- Use monitoring and audit evidence to demonstrate control effectiveness for identity assurance and compliance readiness.
Analyst notes and limits
This take is based on the detection strategy metadata, the MITRE external reference DET0240, and the relationship showing that it detects T1649, Steal or Forge Authentication Certificates. The practical value is in treating certificates as credentials and validating monitoring around certificate lifecycle and authentication use.
The supplied detection strategy has no official description, no official detection text, no tactics, and no platforms of its own. Platform and tactic context comes only from the related T1649 technique. Local architecture is required to determine which certificate authorities, identity providers, endpoints, and authentication flows are relevant.
Detection Strategy for Steal or Forge Authentication Certificates
No official description is available in the imported ATT&CK source object.
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 |
|---|---|---|---|
| Enterprise | T1649 | Steal or Forge Authentication Certificates | This object detects Steal or Forge Authentication Certificates. |
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 (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 8de8acedd7f1… |
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.
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mitre-attack DET0240Open source URL
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