You can define custom advanced patterns to identify your sensitive data. Advanced patterns use regular expressions (regex) that allow pattern matching to identify sensitive data such as social security numbers or credit card numbers.
Skyhigh Security built-in advanced patterns cannot be edited.
- In Skyhigh CASB, select Policy > DLP Policies > Classifications.
- In the left-hand pane, select a category to add your custom classification.
- From the help box on the right, click Create to add a new classification to the selected category.
- Enter a name for the classification, and an optional description.
- Click Select Criteria and select Advanced Pattern. The available advanced patterns are listed in the right-hand pane.
- From the Advanced Patterns menu, click Create.
- Enter a name for the pattern and an optional description to describe its use or purpose.
- Click Add. Enter an expression in the text box and an optional description. Click the checkmark. Click Add again to add more expressions as needed. The definition is added to the Advanced Pattern definitions list. All definitions are defined a default threshold of .
TIP: Click the Google RE 2 syntax link to read about creating regular expressions.
- From the Advanced Patterns list, search for the pattern you created, and select the checkmark next to its name. The pattern is added to your classification conditions.
- Edit the threshold by clicking . Enter a number to indicate the number of times the expression should be matched and press Enter.
- Add more classification conditions as needed and click Save.
Your custom classification with custom advanced patterns is saved to the selected category in the Classifications list. Add the classification to your data protection policies as needed.