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Distributed Network Attacks (DNA) is a form of Offline attack and one of the more modern approaches to cracking passwords. It takes advantage of unused processing power from multiple computers in an attempt to perform an action: in this case, cracking a password. To make this work, you install a manager on a chosen system, which is used to manage multiple clients. The manager is responsible for dividing up and assigning work to the various clients involved in the processing of data. On the client side, the software receives a task that needs to be completed, processes the task and returns the results to the manager. The benefit of this type of attack is the amount of processing power available. This attack combines many small amounts of computing power from individual systems into a vast amount of computing power. This in essence is a kind of clustering.