1. A method for detecting a cloned virtual machine instance, the method comprising: generating a unique identifier for each virtual machine in a network; transmitting an identifier associated with a given virtual machine from an agent embedded in the virtual machine akin to a malware to a detection entity in the network; determining whether the identifier is one of the generated unique identifiers or whether the identifier is a clone of an identifier associated with a separate virtual machine in the network; and initiating at least one remedial action with the agent embedded in the virtual machine if the identifier is determined to be a clone of an identifier associated with a separate virtual machine in the network; wherein at least one of said generating, said transmitting, said determining and said initiating is carried out by a computer device.