1. A non-transitory computer-readable medium having program instructions stored thereon, wherein the program instructions are executable to cause a computer system of an entity to perform: accessing a process usage policy of the entity, wherein the process usage policy includes a set of information for determining an importance of a process to the entity, wherein the set of information includes a rule that indicates an importance of a process based on whether a process is associated with a digital signature; identifying a plurality of processes running on the computer system; determining an importance value and a resource consumption value for a particular one of the plurality of processes, wherein the importance value is indicative of an importance of the particular process and is determined using the process usage policy, wherein the resource consumption value is indicative of a resource consumption of the particular process, and wherein the importance value is determined without taking into account the resource consumption of the particular process; evaluating the particular process using the importance value and the resource consumption value of the particular process; and taking a corrective action with respect to the particular process after the evaluating.