False Positive

An erroneous acceptance of the hypothesis that a statistically significant event has been observed. This is also referred to as a type 1 error. When “health-testing” the components of a device, it often refers to a declaration that a component has malfunctioned – based on some statistical test(s) – despite the fact that the component was actually working correctly. 

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 See  NIST SP 800-90B under False positive for more information. 
 
An alert that incorrectly indicates that a vulnerability is present. 

See NIST SP 800-115 for more information. 
 
Incorrectly classifying benign activity as malicious. 

See NIST SP 800-86 for more information. 
 
An alert that incorrectly indicates that malicious activity is occurring. 

See NIST SP 800-61 Rev. 2 for more information. 
 
An instance in which a security tool incorrectly classifies benign content as malicious. 

See  NIST SP 800-83 Rev. 1 for more information. 

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