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Vmware vs virtualbox security11/11/2023 ![]() ![]() This, however, means it's up to OS capabilities to enforce the segmentation. This is true even though containers can't normally interact with each other or with the container engine.Ĭontainers use OS features to create logical environments where views of processes, files and network state are invisible to each other. ![]() Containers run on the same OS instance as the container engine, and they also run on the same OS as other containers. The segmentation used by a container engine operates a different way. What does a more porous segmentation boundary entail in this context? In an OS virtualization context, segmentation is enforced by the hypervisor below the level of the guest OS. A key property of containers is a - historically at least - more porous segmentation boundary relative to using a hypervisor. Container securityĪpplication containers, by contrast, have different properties, some of which bolster security and - depending on usage - some that can undermine it. The salient questions instead become: "What security properties do each have?" and "How are they being used in furtherance of security goals?" Some explanation - and a deeper dive under the hood - is advantageous to help practitioners consider how these tools fit into their organization's risk profile. Evaluating the security of how either is being used requires a different tool set, understanding of vastly different security models and familiarity with different orchestration ecosystems. These tools are not equivalent therefore, a direct security comparison isn't an apples-to-apples comparison. Are there security advantages to using containers instead of VMs or vice versa? VM use case, it is therefore natural to ask which is more secure. ![]() Most of those decisions nowadays involve either virtualization or containerization technologies. As security practitioners, our job is to facilitate risk decisions. ![]()
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