Methods and a system are provided that, in turn, are for providing security between a user device and a computer related device. A method includes providing a distributed registry service that specifies a plurality of services available to support communications between the user device and the computer related device. The method further includes at least one of dynamically constructing and altering one or more multi-node transient processing pathways between the user device and the computer related device based on respective selected ones of the plurality of services. For at least one node in each of the one or more transient processing pathways, an address thereof and a time period the at least one node is active and capable of being used is set or changed, based on at least one of an application programming interface type and a data request type implicated by a received packet.