AN1520: Analytic 1520
Anomalous high-volume access to customer records in CRM software by a non-CRM admin user account, especially following initial authentication from a rare location or device. Behavior includes abnormal access to PII fields or data exports within a short time window.
Analyst context for executives and security teams
This analytic matters because unusual, high-volume access to CRM customer records can be an early sign of customer data exposure from a SaaS account, especially when the account is not a CRM administrator and the session begins from an uncommon location or device. For leaders, the practical issue is whether the organization can quickly distinguish legitimate business activity from suspicious access to PII fields or exports inside a short time window.
Executive priority
Prioritize this as a SaaS data-protection and audit-readiness question: do CRM owners, identity teams, and the SOC have enough logging and response authority to investigate abnormal customer-record access before it becomes a reportable data incident? This supports decisions about CRM logging, identity controls, access governance, and incident response playbooks for customer PII.
Technical view
Validate whether the CRM and identity provider can correlate user role, admin status, authentication location, device context, record-access volume, PII-field access, and export activity over short time windows. Because no official detection logic or tactic mapping is supplied, teams should treat AN1520 as a behavioral analytic concept rather than a ready-to-deploy rule. Focus on non-CRM-admin accounts with rare login context followed by abnormal CRM record viewing or export behavior.
Likely telemetry
- CRM audit logs for record views, searches, field access, and exports
- CRM user role and administrative privilege data
- Identity provider authentication logs
- Device or session context associated with SaaS logins
- Geo-location or rare-location indicators from authentication events
Detection direction
- Baseline normal CRM access volume by user, role, team, and business function before alerting on high-volume access.
- Correlate rare location or device authentication with subsequent CRM record access and exports within a short time window.
- Tune for expected bulk access by support, sales operations, compliance, or integration accounts to reduce false positives.
- Pay special attention to non-CRM-admin users accessing abnormal amounts of PII or performing exports.
- Confirm whether SaaS and identity logs are retained long enough and contain the fields needed for investigation.
Mitigation priorities
- Ensure CRM access is role-based and non-admin users have only necessary access to customer records and PII fields.
- Review export permissions and limit them to business roles that require bulk data handling.
- Strengthen identity controls for SaaS access, especially when rare location or device context appears.
- Create an incident response workflow for suspicious CRM data access, including account review, export validation, and customer-data impact assessment.
- Maintain audit evidence showing CRM access governance, logging, and review processes.
Analyst notes and limits
The supplied object is a detection analytic for SaaS CRM behavior, not a full ATT&CK technique. The strongest defensive value is in validating cross-source visibility between CRM audit data and identity authentication context.
No official detection logic, tactic mapping, relationships, aliases, or labels were supplied. Local CRM configuration, identity telemetry, user-role design, and business access patterns are required to turn this into a reliable detection.
Analytic 1520
Anomalous high-volume access to customer records in CRM software by a non-CRM admin user account, especially following initial authentication from a rare location or device. Behavior includes abnormal access to PII fields or data exports within a short time window.
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.
All related ATT&CK context
No relationships are available in the current normalized data for this object.
Object version and sync metadata
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Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | caa38c03177c… |
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 AN1520Open source URL
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