There are two major categories of network virtualization commonly seen in cloud computing today:
. Virtual Local Area Networks (VLANs): VLANs leverage existing network technology implemented in most network hardware.
VLANs are extremely common in enterprise networks, even without Management Storage Service Management plane to nodes storage nodes (volumes) to compute nodes (instances) Internet to compute nodes Instances to instance Common networks underlying IaaS. They are designed for use in single-tenant networks (enterprise data centers) to separate different business units, functions, etc. (like guest networks). VLANs are not designed for cloud-scale virtualization or security and shouldn't be considered, on their own, an effective security control for isolating networks. They are also never a substitute for physical network segregation.
. Software Defined Networking(SDN): A more complete abstraction layer on top of networking hardware, SDNs decouple the network control plane from the data. This allows us to abstract networking from the traditional limitations of a LAN.
Ref: CSA Security Guidelines V.4 (reproduced here for the educational purpose)

lS0 27005 'provides guidelines for information security risk management' and 'supports the general concepts specified in ISO/IEC 27001 and is designed to assist the satisfactory implementation of information security based on a risk management approach.'

A Soc3 reports on the same information as a Soc2 report. The main difference between the two is that a Soc3 is intended fora general audience. These reports are shorter and do not include the same details as a Soc2 report, which is distributed to an informed audience of stakeholders. Due to their more general nature, Soc3 reports can be shared openly and posted on a company's website with a seal indicating their compliance

Ephemeral storage: This type of storage is relevant for SaaS instances and exists only as long as its instance is up. It is typically used for swap files and other temporary storage needs and is terminated with its instance.