IronSights

Microsoft 365 & cloud

Data Loss PreventionDLP

A set of policies and controls that detect and prevent sensitive data from being shared, transferred, or accessed in ways that violate organisational security or compliance requirements.

Also known asDLPdata loss preventiondata leakage prevention

In plain English

DLP policies automatically monitor how sensitive data — credit card numbers, tax file numbers, health records — is being used. They can block emails containing this data from being sent externally, warn users before they share a confidential file, or generate alerts when data appears in unexpected locations.

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More terms in the IronSights Glossary.