By setting the data security through categories, you have Read permission on the data in a category, and you can read all the data in the category regardless of the item, provided you have Read & View permission on the item.
- In the Security step of the Category Wizard, click the arrow next to Items and Portfolios define the data security (for this category).
- From the drop-down list, click Category defines the data security (for all Items and Portfolios).