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## Enabling Real-time Data Loss Prevention

When Data Loss Prevention is enabled, you can enable and disable individual Data Loss Prevention policies. The green check icon () indicates the policy is enabled, and the red "x" () indicates the policy is disabled. Click the icon to toggle between enabled and disabled.

### Procedure

1. Click Data Loss Prevention → DLP Policies from the main menu.
   The Data Loss Prevention Policies screen displays.
2. Select Enable transport level Data Loss Prevention.
3. From the Apply policies to drop-down select to apply policies to Outbound messages only or to All messages.
4. From the Digital asset discovery drop-down, select how Data Loss Prevention matches digital assets:
   - Single message part: Data Loss Prevention identifies digital assets in each message part separately.
     For example, one of the triggers of the “Canada: Cardholder Information” template is the detection of 5 occurrences of credit card numbers. Selecting Single message part requires DLP to match 5 credit card numbers all in the same message part before triggering the policy.
   - Multiple message parts: Data Loss Prevention identifies digital assets spread among all selected message parts.
     For example, one of the triggers of the “Canada: Cardholder Information” template is the detection of 5 occurrences of credit card numbers. Selecting Multiple message parts allows DLP to match credit card numbers among all selected message parts (if 2 credit card numbers are matched in the message body and 3 in the message attachment, DLP triggers the template).
5. Click Save.