Cisco Duo user marked authentication request as fraudulent
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Goal
Detect when a user has marked a Duo push as fraudulent.
Strategy
This rule monitors Cisco Duo logs for when a user marks a Duo push as fraudulent. If a user suspects that a Duo push is suspicious, such as an unusual location or application name, they will mark the push as fraudulent.
Triage and Response
- Contact the user
{{@usr.email}} to confirm why they thought the push was suspicious. - Investigate the push event, focusing on the IP address
{{@access_device.ip}} and application {{@application.name}}. - If the event is deemed malicious, begin your organization’s incident response process to contain the affected account or device.
