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Data Loss Prevention protects your Lync/Skype for Business Server environment by evaluating the data that users send during messaging sessions and file transfers to determine if sensitive information (as defined by you) is present in the conversation or files.
For details, see Configuring Data Loss Prevention.
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How IM Security Data Loss Prevention works
IM Security performs the following tasks when an instant message or file transfer occurs:
  1. Scans the instant message or file and evaluates the content against the Data Loss Prevention rules defined by the administrator.
    IM Security evaluates all enabled Data Loss Prevention rules to determine if a template match occurred.
  2. Applies the Data Loss Prevention action for any triggered rule.
    IM Security takes the action that the administrator specified on the DLP Policies screen under Delivery Option.
  3. Sends notifications to the administrator or contacts.
    IM Security allows you to notify administrators, or the Lync/Skype for Business client contacts involved in the sensitive data transfer, through email, IM, SNMP, or Windows Event log.