---
title: Calculate the severity of a security incident
description: You can calculate the severity of a security incident using predefined calculators.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/security-management/security-incident-response/calculate-si-severity.html
release: australia
product: Security Incident Response
classification: security-incident-response
topic_type: task
last_updated: "2026-10-09"
reading_time_minutes: 1
breadcrumb: [Managing security incidents and inbound requests, Security Incident Response, Enterprise security case management applications, Security Operations]
---

# Calculate the severity of a security incident

You can calculate the severity of a security incident using predefined calculators.

## Before you begin

Role required: sn\_si.basic

## Procedure

1.  If it is not already open, open the security incident you want to calculate the severity for.

2.  Select the more actions icon \[Omitted image "more-actions-icon.png"\] Alt text:, and select **Calculate Severity**.

    The severity is calculated based on the predefined rules for base calculators. For more information, see [Understanding security incident calculators](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/security-management/security-incident-response/setup-assistant-reference.md).