Creating and updating security policy on multiple nodes To update multiple nodes with a single security policy: Add nodes from the document tree to the masking table. Select the nodes in the masking table to create or update a security policy. When a node is selected, the masking table toolbar is displayed. Click Edit in the masking table toolbar. Select the security policy that must be applied to multiple nodes. Click OK to confirm. The security policy is applied to all the selected nodes and any previous security policy is overwritten.