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CEF Field

What is the difference between event.categoryDeviceType , event.categoryDeviceGroup and event.categoryObject?

for example -->  event.categoryDeviceType = Operating system

                           event.categoryDeviceGroup  = /Operating system

                            eventcategory.Object = /Host/Operating system

Another example -->   event.categoryDeviceType = Network-based IDS/IPS

                           event.categoryDeviceGroup  = /Firewall

                            eventcategory.Object = /Host/Application/Service

This three seems identical . What is the difference? Can anyone explain a bit further?

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Fleet Admiral
Fleet Admiral

Those are explained in the

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What they are explained in the white paper is still not clear and fully understand. And also im a amateur in this arcsight cef field. Can you explain a bit about the three field?

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Knowledge Partner Knowledge Partner
Knowledge Partner

Those fields have nothing to do with CEF.  CEF is the format of the log.  Those 3 fields are related to categorization.  Each log should be categorized correctly in Arcsight to use categorization in ESM rules.

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