VNGuarder: An Internal Threat Detection Approach for Virtual Network in Cloud Computing Environment

Table 4

Functional comparison.

Method	Internal threat point	Monitor single node	Monitor multinode	Behavior association tracking
[27]	VM service	Yes	No	No
[28]	VM image	Yes	Yes	No
[29]	Tenants and managers	Yes	No	No
[30]	Tenants and managers	Yes	No	No
VNGuarder	Virtual network service	Yes	Yes	Yes