Managed Sentinel – Alert 216

Alert IDMS-A216
Alert NameIIS pages generating Page Not Found errors (404)
DescriptionThis alert identifies Microsoft IIS pages that generate Page Not Found errors (status code 404).
Severity LevelInformational
Threat IndicatorMisconfiguration
MITRE ATT&CK TacticsExecution
Log sourcesWeb Traffic
False Positiverobots.txt missing page
RecommendationsA 404 error is an HTTP status code that means that the page you were trying to reach on a website couldn't be found on the web server.
1. Contact your website administrator and inform him about missing pages