1. A method for proactively securing a web application, the method comprising: receiving, from a client device and by a proactive administrative proxy server positioned between the client device and a server device, a request to access a web application provided by the server device; sending the request from the proactive administrative proxy server to the server device; receiving, with the proactive administrative proxy server, a response from the server device, wherein the response includes the requested web application; after receiving the response, injecting, with the proactive administrative proxy server positioned between the client device and the server device, one or more decoys into the web application contained within the response to form a modified response; sending the modified response from the proactive administrative server to the client device; identifying, with the proactive administrative proxy server, an attempt by the client device to exploit one of the one or more injected decoys in the web application; and performing with the proactive administrative proxy server at least one action to secure the web application from the attempted exploitation.