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Microsoft 365 Audit Log & Insider Investigation

Microsoft 365 audit log and insider investigation in British Columbia.

Most workplace misconduct now leaves its trace in the tenant, not on the laptop. We reconstruct who opened, downloaded, shared, forwarded, or deleted what, and when, from the Purview unified audit log, Entra ID, SharePoint, and Exchange records.

Microsoft 365 Audit Log & Insider Investigation — editorial illustration

When this service is needed

Typical scenarios where counsel and corporate clients retain us.

  • Departing employee suspected of taking client lists or files
  • Mass download or external sharing from SharePoint or OneDrive
  • Confidential email forwarded to a personal account
  • Records deleted or altered before an audit or dispute
  • Administrator misuse of privileged access
  • Workplace misconduct in Teams chats or channels

How we approach it

A defensible, repeatable process.

Tools we apply

Named, current, and listed in every report.

  • Microsoft Purview Audit (Standard and Premium)
  • Microsoft Entra ID sign-in, audit, and risk logs
  • SharePoint and OneDrive file activity reports
  • Exchange Online mailbox audit and message trace
  • Magnet AXIOM Cyber for endpoint correlation

Standards we follow

Aligned to Canadian and international guidance.

  • Sedona Canada Principles on ESI
  • Microsoft 365 audit log schema and retention documentation
  • BC PIPA and PIPEDA limits on employee monitoring

What you receive

Deliverables built for counsel, the regulator, and the court.

Forensic image, examiner report, exhibits and hash logs, and an expert affidavit where the matter requires it.

Common questions

Microsoft 365 Audit Log & Insider Investigation questions from Canadian counsel and corporate clients.

How far back can Microsoft 365 audit logs be searched?

Answer pending.

Can you see which files an employee downloaded before resigning?

Answer pending.

Does the audit log show what was sent to a personal email address?

Answer pending.

Is it legal in BC to review an employee's Microsoft 365 activity?

Answer pending.

What if audit logging was never turned on?

Answer pending.

Do you also need the employee's laptop?

Answer pending.

Need microsoft 365 audit log & insider investigation support on a Canadian matter?

Book a confidential consultation. Our team will reach out as soon as possible.