Arrangement configured to migrate a virtual machine in the event of an attack

1. An arrangement for use in managing resources of a plurality of computing devices in response to an attack, the arrangement comprising:

an interface configured to receive a parameter from a first computing device of the plurality of computing devices, the parameter including:

an indicator of a symptom of an attack against the first computing device or a program operating on the first computing device, and

an indicator from the first computing device that the first computing device has received more than a predetermined number of messages over a predetermined period; and

a processor and memory configured to:

migrate a part of a first virtual machine from the first computing device to a second computing device in response to the parameter received by the interface, each of the first computing device and the second computing device including a plurality of resources;

migrate a third virtual machine that shares resources with the first virtual machine from the first computing device to another computing device, wherein the third virtual machine has not received a parameter indicating that the third virtual machine is a target of the attack; and

update one or more domain name service records in response to migration of the part of the first virtual machine,

wherein the migration of the part of the first virtual machine includes migrating the part of the first virtual machine to an unused portion of resources of the second computing device and maintaining a remainder of the first virtual machine on the first computing device, wherein the unused portion of resources of the second computing device was previously allocated to a second virtual machine.

2. An arrangement according to claim 1 , wherein the parameter includes an indicator of a symptom of a network attack.

3. An arrangement according to claim 1 , wherein the messages include one or more connection requests or the messages include one or more network ping messages.

4. An arrangement according to claim 1 , wherein the messages include one or more mangled or incomplete network messages configured to disrupt an operation of the first computing device.

5. An arrangement according to claim 4 , wherein the first computing device is associated with a first network interface and the parameter includes an indicator of a symptom of an attack in relation to the first network interface, and the second computing device is associated with a second network interface which is distinct from the first network interface.

6. An arrangement according to claim 4 , wherein the first computing device is associated with a first network interface and the parameter includes an indicator of a symptom of an attack in relation to the first network interface, and the second computing device is associated with a second network interface which is distinct from the first network interface; and

wherein the first and second network interfaces are configured for connection to a local or wide area network and the local or wide area network includes a wired and/or a wireless network.

7. An arrangement according to claim 4 , wherein the first computing device is associated with a first network interface and the parameter includes an indicator of a symptom of an attack in relation to the first network interface, and the second computing device is associated with a second network interface which is distinct from the first network interface; and

wherein the first and second computing devices are both communicatively coupled to a backbone network which is independent of the first and second network interfaces and over which the first virtual machine can be migrated, the method further comprising migrating the first virtual machine over the backbone network.

8. An arrangement according to claim 1 , wherein the parameter includes an indicator of a symptom of an operation of an unauthorized computer program on the first computing device.

9. An arrangement according to claim 1 , wherein the parameter includes an indicator of a symptom of an operation of an unauthorized computer program on the first computing device; and

wherein the second computing device is a quarantined computing device.

10. A method of managing resources of a plurality of computing devices in response to an attack, the method comprising:

receiving, at an interface, a parameter from a first computing device of the plurality of computing devices, the parameter including:

an indicator of a symptom of an attack against the first computing device or a program operating on the first computing device, and

an indicator from the first computing device that the first computing device has received more than a predetermined number of messages over a predetermined period;

migrating, using a migration module, a part of a first virtual machine from the first computing device to a second computing device in response to the parameter received by the interface, each of the first computing device and the second computing device including a plurality of resources;

migrating a third virtual machine that shares resources with the first virtual machine from the first computing device to another computing device, wherein the third virtual machine has not received a parameter indicating that the third virtual machine is a target of the attack; and

updating one or more domain name service records in response to the migrating of the part of the first virtual machine,

wherein the migrating of the part of the first virtual machine includes migrating the part of the first virtual machine to an unused portion of resources of the second computing device and maintaining a remainder of the first virtual machine on the first computing device, wherein the unused portion of resources of the second computing device was previously allocated to a second virtual machine.

11. A method according to claim 10 , wherein the parameter includes an indicator of a symptom of a network attack.

12. A method according to claim 11 , wherein the first computing device is associated with a first network interface and the parameter includes an indicator of a symptom of an attack in relation to the first network interface, and the second computing device is associated with a second network interface which is distinct from the first network interface.

13. A method according to claim 11 , wherein the first computing device is associated with a first network interface and the parameter includes an indicator of a symptom of an attack in relation to the first network interface, and the second computing device is associated with a second network interface which is distinct from the first network interface; and

wherein the first and second network interfaces are configured for connection to a local or wide area network and the local or wide area network includes a wired and/or a wireless network.

14. A method according to claim 11 , wherein the first computing device is associated with a first network interface and the parameter includes an indicator of a symptom of an attack in relation to the first network interface, and the second computing device is associated with a second network interface which is distinct from the first network interface; and

wherein the first and second computing devices are both communicatively coupled to a backbone network which is independent of the first and second network interfaces and over which the first virtual machine can be migrated, the method further comprising migrating the first virtual machine over the backbone network.

15. A method according to claim 10 , wherein the messages include one or more connection requests or the messages include one or more network ping messages.

16. A method according to claim 10 , wherein the messages include one or more mangled or incomplete network messages configured to disrupt an operation of the first computing device.

17. A method according to claim 10 , wherein the parameter includes an indicator of a symptom of an operation of an unauthorized computer program on the first computing device.

18. A method according to claim 10 , wherein the parameter includes an indicator of an attack in relation to the first virtual machine operating on the first computing device.

19. A method according to claim 10 , wherein the parameter includes an indicator of a symptom of an operation of an unauthorized computer program on the first computing device; and

wherein the second computing device is a quarantined computing device.

20. An arrangement for use in managing resources of a plurality of computing devices in response to an attack, the arrangement comprising:

an interface configured to receive a parameter from a first computing device of the plurality of computing devices, the parameter including:

an indicator of a symptom of an attack against the first computing device or a program operating on the first computing device, and

an indicator from the first computing device that the first computing device has received more than a predetermined number of messages over a predetermined period; and

a processor and memory configured to:

migrate a part of a first virtual machine from the first computing device to a second computing device in response to the parameter received by the interface, each of the first computing device and the second computing device including a plurality of resources; and

update one or more domain name service records in response to migration of the part of the first virtual machine,

wherein the migration of the part of the first virtual machine includes migrating the part of the first virtual machine to an unused portion of resources of the second computing device and maintaining a remainder of the first virtual machine on the first computing device, wherein the unused portion of resources of the second computing device was previously allocated to a second virtual machine, wherein the first virtual machine is not informed that the unused portion of resources of the second computing device was previously allocated to the second virtual machine.