1. A system, comprising: a server hosting an application under test (AUT); an observer configured to monitor instructions executed by the AUT; and a computing device communicatively coupled to the AUT and the observer through a common communication channel, the computing device comprising a processor and a memory device for storing computer-readable instructions configured to direct the processor to: send an application request to the AUT, wherein the application request is configured to expose a potential vulnerability of the AUT; receive an application response from the AUT in accordance with the AUT's programming; send a service request to the observer; and receive a service response from the observer that contains information corresponding to the instructions executed by the AUT due to the application request, information about the AUT, or information about a server hosting the AUT.