Network security system with customizable rule-based analytics engine for identifying application layer violations

Methods, devices, and storage media storing instructions to obtain logs from a security device and one or multiple service-providing devices, wherein the logs include information pertaining to traffic flow activity at an application layer associated with a service; store rules that identify behavior ranging from unintentional through intentional for one or multiple communication layers including an application layer; interpret the logs based on the rules; determine whether a violation exists based on the interpreting; and generate a notification that indicates the violation exists in response to a determination that the violation exists.