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Virtualization

Virtualization is at the core of any cloud computing initiative, regardless of delivery model or deployment method. Service providers, or internal enterprise private cloud managers, use virtualization technology to realize efficiencies and flexibility offered by cloud computing. This section covers the risks and considerations around cloud computing virtualization security, including how to manage and ensure secure multitenancy of virtual machines on a single host, security risks and threats by Web-based hackers to the hypervisor, and how to handle data management and data governance.

Recent Definitions

• hypervisor security

  Hypervisor security is the process of ensuring the hypervisor, the software that enables virtualization, is secure throughout its life cycle, including during development, implementation, provisioning, management and de-provisioning.

• virtual firewall

  A virtual firewall is a firewall device or service that provides network traffic filtering and monitoring for virtual machines (VMs) in a virtualized environment.

• Cloudburst VM escape

  Cloudburst VM (virtual machine) escape is an exploit method, credited to research firm Kostya Kortchinsky Immunity Inc., that takes advantage of IBM's Cloudburst cloud service provisioning software for cloud providers and a flaw in VMware Workstation to enable a guest-level virtual machine to attack its host.

Highlights

• How container adoption affects container security
• VMs vs. containers: Which is better for security?
• What Microsoft's InPrivate Desktop feature could mean for enterprises

Operations

As your organization moves its infrastructure, applications and data into the cloud, security operations such as network security, vulnerability management, data protection and application security, as well as cloud-based security services, take on new importance. Learn how to handle cloud security management, including how to keep the integrity of your data and applications as they move to the cloud and how outsourced IT operations affect security operations.

Recent Definitions

• DMZ (networking)

  In computer networks, a DMZ (demilitarized zone), also sometimes known as a perimeter network or a screened subnetwork, is a physical or logical subnet that separates an internal local area network (LAN) from other untrusted networks -- usually the internet.

• identity and access management (IAM)

  Identity and access management (IAM) is a framework of business processes, policies and technologies that facilitates the management of electronic or digital identities.

• Software as a Service (SaaS)

  Software as a service (SaaS) is a software distribution model in which a third-party provider hosts applications and makes them available to customers over the Internet.

Highlights

• How to implement zero-trust cloud security
• AWS Access Analyzer aims to limit S3 bucket exposures
• Juggling a multi-cloud security strategy takes work

More Operations Topics

• Cloud Data Storage, Encryption and Data Protection Best Practices
• Cloud Network Security Trends and Tactics
• Cloud Patch Management and Cloud Configuration Management
• Cloud Provisioning and Cloud Identity Management Issues
• Cloud Security Services: Cloud-Based Vulnerability Scanning and Antivirus
• Legacy Application Modernization for the Cloud

Architecture

Before purchasing or building cloud systems and services, learn the cloud computing security considerations and challenges involved the various cloud computing architecture models and how to address the "security in the cloud" challenge successfully.

Recent Definitions

• cloud access security broker (CASB)

  A cloud access security broker (CASB) is a software tool or service that sits between an organization's on-premises infrastructure and a cloud provider's infrastructure.

• cloud computing

  Cloud computing is a general term for anything that involves delivering hosted services over the Internet. These services are broadly divided into three categories: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS).

• software-defined perimeter (SDP)

  Software-defined perimeter (SDP) is a security framework developed by the Cloud Security Alliance (CSA) that controls access to resources based on identity.

Highlights

• How to implement zero-trust cloud security
• How to evaluate CASB tools for multi-cloud deployments
• Juggling a multi-cloud security strategy takes work

More Architecture Topics

• Cloud Computing Infrastructure as a Service (IaaS) Security
• Cloud Computing Platform as a Service (PaaS) Security
• Cloud Computing Software as a Service (SaaS) Security
• Hybrid and Private Cloud Computing Security
• Public Cloud Computing Security