Microsoft Purview · Communication Compliance
Communication Compliance Investigators
Investigate alerts, view full messages, and take remediation actions without policy configuration access.
Scope: Full investigation and remediation access without policy configuration rights
Permissions
- Message Content - View full message content and complete conversation threads (Teams, Exchange, Copilot)
- Conversation History - Access conversation history, context, and related communications
- Remediation Actions - Take remediation actions (notify user, escalate to management, tag for review)
- Message Removal - Remove messages that violate policies (if configured and approved)
- Investigation Notes - Document investigation findings with notes, tags, and case files
- Evidence Export - Export messages and evidence for legal review or regulatory reporting
- Case Files - Access all investigation case files and audit trails
- Attachments - View attachments, images, and embedded content in messages
- Pseudonymization - Access pseudonymized data with ability to de-anonymize for investigations
- Copilot Content - Review Microsoft 365 Copilot interaction content when flagged
- Administrative Units - Filter investigations by administrative unit scope
- Alert Resolution - Mark alerts as resolved, false positive, or escalated with justification
Common use cases
- HR investigators conducting formal harassment or discrimination inquiries
- Legal team reviewing potential employment law violations or regulatory breaches
- Senior compliance officers investigating serious incidents (insider trading, threats)
- Remediation and resolution of confirmed policy violations
- Financial services compliance reviewing regulated communications for FINRA/SEC violations
- Employee relations specialists handling workplace conduct investigations
- Corporate security investigating threats or violent communications
- Privacy officers reviewing potential data leakage through communications
Best practices
- Document all investigation steps, decisions, and findings comprehensively
- Maintain strict confidentiality of investigations per legal and HR requirements
- Coordinate with HR and legal counsel before taking remediation actions
- Follow established investigation playbooks and standard operating procedures
- Preserve evidence properly for potential litigation or regulatory review
- Use measured escalation approach (educate, warn, suspend, terminate)
- Regular training on evolving workplace standards and regulatory requirements
- Respect pseudonymization during initial review before de-anonymizing if necessary
- Export and archive evidence with proper chain of custody documentation
- Coordinate with Communication Compliance Analysts on investigation feedback
- Review administrative unit scope to ensure proper jurisdiction before investigating
- Consider privacy implications when investigating Copilot interactions
Security considerations
- Full access to employee communications - extremely sensitive and privacy-invasive
- Must comply with privacy laws and employment regulations (GDPR, CCPA, etc.)
- All investigation activities are logged in unified audit log and auditable
- Remediation actions (especially message removal) can have legal implications
- Message removal is permanent and may impact eDiscovery or legal holds
- Should not configure policies to maintain separation of duties and checks
- Pseudonymization de-anonymization should be documented with justification
- Copilot interaction viewing may expose highly sensitive business strategy
- Attorney-client privileged communications may be visible - coordinate with legal
- Export and evidence preservation requires secure handling and encryption
- Administrative units scope but investigators still need proper authorization
Common questions
When should I assign the Communication Compliance Investigators role?
Assign Communication Compliance Investigators when you need to: HR investigators conducting formal harassment or discrimination inquiries; Legal team reviewing potential employment law violations or regulatory breaches; Senior compliance officers investigating serious incidents (insider trading, threats); Remediation and resolution of confirmed policy violations; and Financial services compliance reviewing regulated communications for FINRA/SEC violations. It is part of Microsoft Purview and should be granted as a least-privilege alternative to broader roles like Global Administrator.
What can someone with the Communication Compliance Investigators role do?
The Communication Compliance Investigators role grants permissions including: Message Content - View full message content and complete conversation threads (Teams, Exchange, Copilot); Conversation History - Access conversation history, context, and related communications; Remediation Actions - Take remediation actions (notify user, escalate to management, tag for review); Message Removal - Remove messages that violate policies (if configured and approved); Investigation Notes - Document investigation findings with notes, tags, and case files; and Evidence Export - Export messages and evidence for legal review or regulatory reporting. See the Permissions section above for the full list.
What are the security risks of the Communication Compliance Investigators role?
Key considerations when assigning Communication Compliance Investigators: Full access to employee communications - extremely sensitive and privacy-invasive; Must comply with privacy laws and employment regulations (GDPR, CCPA, etc.); All investigation activities are logged in unified audit log and auditable; and Remediation actions (especially message removal) can have legal implications. Review the Security considerations section before assignment, and pair with Privileged Identity Management (PIM) for just-in-time access where possible.