1. A computerized method for determining a structure of at least one application in a computerized organization, the method comprising: receiving at least one entry point including an identification of a virtual location on a computer network; for each entry point, receiving a determination of an individual applicative component that processes data arriving through that entry point; identifying at least some communicating entry points through which the first applicative component communicates with additional applicative components; and for each of said at least some communicating entry points, using a processor for determining the applicative component that processes data arriving through that communicating entry point; and providing at least a portion of a structure including: applicative components associated with the application, and information with regard to which of said applicative component communicates with which.