Key takeaway
Unusual activity can warrant review, but does not prove intent. Check independent records and context, collecting only what is necessary.
Insider risk can be deliberate or accidental
Insider risk can involve current or former employees, contractors and trusted partners. Harm may be deliberate, such as theft or sabotage, or result from careless sharing, accidental deletion or a compromised account. Intent, access level, data type and behavioral context shape the investigation.
Compare indicators with behavior and system records
Bulk file access, unusual downloads or email forwarding, access to systems unrelated to a role, privilege changes, deleted logs or account use during offboarding may warrant review. Dissatisfaction, financial pressure or a behavioral change alone is not technical evidence and does not justify a conclusion about a person. Compare identity and endpoint logs with data sensitivity, approved work and schedule.
Keep the investigation proportionate and evidence based
Build a timeline, verify log sources, time synchronization and integrity, then seek corroboration from independent systems. If suspicion remains, use a restricted investigation involving authorized security and HR or legal owners. Access to personal communications and device data must follow law, policy and an agreed process. Separate facts from interpretation, preserve evidence and do not present suspicion as confirmation.
Limit access and manage offboarding
Keep role permissions to the minimum needed, review access to sensitive data and separately protect privileged accounts. On departure or role change, update accounts, tokens, API keys and device trust promptly; revoke active sessions and transfer data through an approved process. Workload, leave and support gaps can also cause mistakes, so keep reporting and training channels accessible.