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What is Good Cloud Migration Security?

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Luis Monzon
Luis Monzon
Journalist. Reach me at Luis@ITNewsAfrica.com

Cloud adoption continues to be important for many organizations as they transform how they do business in today’s digital world. While there are many benefits associated with cloud adoption, the security implications of moving to the cloud cannot be ignored if organizations are to fully embrace it.

This blog outlines the benefits of cloud migration and the security challenges associated with the process. Also, there is a list of best practices for creating a powerful cloud migration security strategy.

What is Cloud Migration?

Cloud migration is the process of transferring an organization’s data and apps from on-premises servers to a cloud infrastructure. Cloud infrastructure enables organizations to access data storage requirements and computing capabilities when they are needed.

Rather than creating on-premises IT infrastructures or leasing data-centre space, organizations can rent cloud infrastructure and their required computing capabilities via third-party providers. This can mean cost savings to an organization’s operating budget due to lower spending on energy bills, IT personnel, hardware, servers, and software that are needed for a physical data centre.

Other key benefits of cloud migration are agility and flexibility. Cloud infrastructures are highly agile and flexible because they are self-managed and allow users to spin up new services and make changes in a matter of minutes. This permits organizations to be more focused on business and bottom-line issues rather than being bogged down in IT matters.

Cloud platform and infrastructure works through an abstraction process, such as virtualization. The goal is to separate resources from the physical hardware they are typically installed on and put them into the cloud. These virtual resources are provisioned into cloud environments using tools like automation and management software, enabling users to access the resources when they need them from wherever they are working.

Three types of cloud architecture:

When we talk about cloud infrastructure, we’re referring to the tools that are used to build a cloud environment. When we talk about cloud architecture, we’re referring to the design or blueprint of specifically how the various technologies for creating a cloud computing environment will be connected. There are three types of cloud architecture:

  1. Public
  2. Private
  3. Hybrid.

Public cloud architecture uses third-party cloud providers to make cloud resources available to multiple customers via the internet. These providers operate multi-tenant environments that lower the cost of data storage and computing power for customers. Public clouds can have a drawback: privacy issues for organizations that handle sensitive data or personally identifiable information (PII).

In a private cloud architecture approach, cloud infrastructure is only accessed by the organization. The private cloud architecture can be built, developed, and maintained by a company’s own IT teams or delivered by external providers. Private clouds as their name implies address the drawback of the public cloud issue with privacy.

hybrid cloud model is considered the best of both public and private architectures. The hybrid approach allows private and public cloud infrastructures to interact within a connected but separate system. This is ideal for organizations that handle sensitive information and PII, allowing them to store their critical data in private clouds and while keeping fewer sensitive data in public clouds. With a hybrid cloud architecture, organizations can maintain their private environments while accessing all the benefits of public cloud services for other computing tasks and storage.

What are the security risks that come with cloud migration? 

There are several security-related challenges that organizations must overcome in the process, including compliance breaches and malware. Because the cloud is ever-evolving, some vendors will handle the changes well and some won’t. If a cloud provider goes out of business or has a dramatic overhaul, any enterprise using their services might be exposed to risk because of the upheaval.

Another cloud migration risk involves its reliance on the internet, meaning “any cloud solution is only as solid or reliable as the network connection it is built on.” It’s difficult for an enterprise and its users to accept downtime when apps and services aren’t accessible. Cloud infrastructures must have dependable connections and networks that are supported by service level agreements (SLAs).

A cloud migration security strategy must also consider that data controls are transferred from the organization to a cloud service provider. For the strategy to be effective, there must get buy-in from enterprise leaders. They need to accept the trade-off of getting cloud computing benefits while having less or limited control over access to applications, data, and any server-based tools.

Recently, a cloud survey showed some of the concerns about cloud migration from IT leaders mentioning a lack of visibility, high cost, lack of control, and lack of security as the biggest unforeseen factors that slow or stop cloud adoption.


By Jonathan Nguyen-Duy, VP, Global Field CISO at Fortinet.

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