Okta FastPass Phishing Detection

Detects when Okta FastPass prevents a known phishing site.

Sigma rule (View on GitHub)

 1title: Okta FastPass Phishing Detection
 2id: ee39a9f7-5a79-4b0a-9815-d36b3cf28d3e
 3status: test
 4description: Detects when Okta FastPass prevents a known phishing site.
 5references:
 6    - https://sec.okta.com/fastpassphishingdetection
 7    - https://developer.okta.com/docs/reference/api/system-log/
 8    - https://developer.okta.com/docs/reference/api/event-types/
 9author: Austin Songer @austinsonger
10date: 2023-05-07
11modified: 2026-04-27
12tags:
13    - attack.initial-access
14    - attack.t1566
15logsource:
16    product: okta
17    service: okta
18detection:
19    selection:
20        outcome.reason: 'FastPass declined phishing attempt'
21        outcome.result: FAILURE
22        eventType: user.authentication.auth_via_mfa
23    condition: selection
24falsepositives:
25    - Unlikely
26level: high

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