False Positives
Introduced in v9.2.0
A false positive is a false alarm. This occurs when the system identifies an attack and triggers an alarm but it is acceptable behavior.

False positives are security alerts indicating there is a threat but actually these are non malicious and are not threats.
Refer this video to tag/untag a signal as False Positive:
You can also tag/untag an already raised signal as false positive, following are the steps:
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On this same signal listing page, select the particular signal that you want to tag/untag as false positive.
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Click on the circle with the minus sign icon displayed next to the confidence column on the right against the signal and select Tag as False Positive/Untag as False Positive.
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Once tagged as false positive, signals will not be raised from this particular source.
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All signals tagged as false positive can be viewed under Triaged Signals on the signals list page.
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Signals that are untagged as False Positive can be viewed under the Pending Review signals list page.
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You can also tag/untag multiple signals at a time.