Create serverless function policies - Administrator Guide - Cortex XSIAM - Cortex - Security Operations

Cortex XSIAM 3.x Documentation

Product
Cortex XSIAM
Creation date
2025-07-15
Last date published
2026-06-04
Category
Administrator Guide

The following procedure describes how to create policies for serverless functions.

  1. Under Posture Management, select Rules & PoliciesCloud Security (under Policies)click Create Policy.

  2. On the Details step of the wizard:

    1. Fill in these fields:

      • Policy Name (required): An alias you provide to identify the policy

      • Description (required): A description of the policy

      • Labels (optional): Assign labels to categorize and organize the policy based on specific criteria or attributes. Labels help in easily identifying and filtering policies

    2. Click Next.

  3. On the Rules step of the wizard.

    1. Select rules that check for violations when scanning serverless functions: Options:

      • All Matching Filter Criteria: Allows you to filter for rules according to criteria

      • From Rules List. Filter the rues list by the type of serverless function.

        1. Select From Rules List

        2. Select Asset Type from the Select Field menu of the query.

        3. Filter for the following serverless functions, depending on the target cloud provider for the rule. Options:

          • Azure Cloud Function

          • Google Cloud Function: Google Cloud Functions - 1st gen and 2nd gen (Cloud Functions API and Cloud Run Admin API.

          • Lambda Function

            Note

            You can select multiple options.

        4. Select a rule or multiple rules from the resulting list.

      • All Rules: This option is not recommended as it will probably create a large number of issues/

      Note

      For more information about rules, refer to Manage serverless function rules.

    2. Click Next.

  4. On the Scope step of the of the wizard:

    1. Define the scope of the policy by selecting the assets it will apply to. Options:

      • From Cloud Accounts (recommended): Select one or more accounts to which this policy applies

      • All Cloud Accounts (not recommended): Selecting this option will likely result in a large volume of issues. For more relevant and higher fidelity results, select the From Cloud Accounts option

    2. Click Done.