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Someone suddenly downloads 5GB from SharePoint, normal?

MCAS Anomaly Detection policies flag mass download, impossible travel and suspicious rules automatically. Default policies give a baseline.

Try this first

  1. 1Defender for Cloud Apps > Policies > Anomaly detection
  2. 2Mass download: tune threshold to normal use
  3. 3Auto action: suspend account on high severity
  4. 4Alert receiver: SOC or IT mailbox

When to bring us in

Real incident: suspend account, then investigate.

See also

None of the above fits?

Describe your situation below. We pass your input plus the steps you already saw to our AI and return tailored next-step advice. If it's too risky to DIY, we'll say so.

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Limited to 2 questions per hour and 5 per day, kept lean so the AI stays useful. For more, contacting us directly works better for you and us.

Or skip the DIY entirely

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