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What's in a cloud? Five key principles for secure cloud computing


Businesses big and small have come to a tipping point in regards to cloud computing — either you are already utilizing some flavor of cloud services or you are evaluating them. Businesses can no longer afford to ignore the agility and cost benefits of moving some of their workloads to a cloud environment, which is not to say they should move ALL of their workloads to the cloud. There are significant barriers that a company must overcome before embracing the benefits of the cloud.

The greatest concerns for a business migrating their workloads to a cloud environment involve information security and regulatory compliance, according to 451 Research.

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Public cloud providers provide a great base level of information security, which meets the needs of some companies. By design, this security is for the “lowest common denominator” or one that meets the needs of the greatest number of customers most of the time. Because of this, there are still real security concerns unique to public cloud providers — ones that are difficult to address.

For example, how do public cloud providers work with an enterprise that has mature and established security controls? Does the business have to remap and revise their existing security and compliance model to adhere to the mandatory systems and controls of the public cloud provider such as a proprietary access control system? Deviating from the public cloud provider’s requirements is not often possible, even if the enterprise has more proven and stringent controls in place.

Similar concerns exist and impact every market, from financial services and healthcare to manufacturing and government. To meet these complex challenges, enterprises are looking for a hybrid cloud solution, which includes both private cloud and public cloud. This arrangement addresses security concerns while providing the advantages of a cloud environment including allowing enterprises to retain control of their technology infrastructure.

HPE has identified the five key capabilities necessary for securing a hybrid cloud environment:

Data-centric security: Protecting data is the core of security and compliance controls. Data needs to be secured at rest, in motion and while in use. It should maintain an index with a searchable data format after it is protected and the encryption should be multi-layered.

Dynamic infrastructure hardening: Just like on-premises machines, the cloud infrastructure needs to be updated and hardened to reduce attack surfaces. Traffic between virtual machines needs to be secured, and core operating systems should be patched and hardened to prevent hypervisor breakouts.

Monitor, detect and respond to breaches and security events: Businesses need complete visibility into all parts of their hybrid cloud environments. There must be a method to collect and analyze log data from multiple sources into a single location and format. The data must be meaningful and actionable—providing specific steps and actions for a coordinated response from security teams.

Continuous regulatory compliance: Compliance is critical. A cloud solution must adhere to a consistent set of auditable controls across the entire hybrid cloud environment. The model should be policy-based and include integrated tools that automatically check for compliance drift against common regulatory standards.

Shared access management: The hybrid cloud solution must also have a common method for shared identity and access management across all components. It should include a portal for administrative functions, as well as an integration point with the established enterprise directory services. Ideally, it would also offer a federated single sign on (SSO) for multiple cloud environments.

The advantages and benefits gained from using private and public cloud computing are compelling. The potential business consequences of not doing so can be devastating. Where security and compliance challenges may have been a barrier to cloud adoption, today, companies like Hewlett Packard Enterprise can help you address these concerns, allowing your enterprise to take full advantage of the benefits of cloud computing.

This blog originally appeared in the Christian Science Monitor.  You can find that post here.

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About the Author


Chris Steffen is the Chief Evangelist for HPE Cloud Security. He is part of the HPE Helion team that works to educate and promote information security as it relates to cloud computing solutions. Before joining HPE, Chris spent over 15 years as an IT executive and security practitioner in multiple industries, including financial services, manufacturing and government. He is a noted industry expert, and has multiple technical certifications, including CISSP and CISA. You can follow him on Twitter at @CloudSecChris.

Nerdio Tech

Thanks for sharing these ideas to secure cloud computing. One can easily follow and harden securities with above points. 

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