[Security Insights] Enable alerts

Author: Maddy-Cloudflare

src/content/docs/security-center/security-insights/review-insights.mdx

@@ -44,4 +44,16 @@ To archive insights:
 
 1. Log in to the [Cloudflare dashboard](https://dash.cloudflare.com) and select your account.
 2. Go to Account Home > **Security Center** > **Security Insights**.
-3. Select the insight(s) you want to archive > Select **Archive selected**.
+3. Select the insight(s) you want to archive > Select **Archive selected**.
+
+## Enable alerts
+
+You can enable alerts for critical insights.
+
+To enable alerts:
+
+1. Log in to the [Cloudflare dashboard](https://dash.cloudflare.com) and select your account.
+2. Go to Account Home > **Security Center** > **Security Insights**.
+3. Select the security insight(s) you want to create an alert for, then select **Create alert for selected classes**.
+4. Enter the notification name, and choose one or more insights classes to filter a notification.
+5. Select **Save**.