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  • Cloud Security

Best Practices for Cloud Security: How Organizations Can Embrace New Principles

In today's digital era, with an increasing number of organizations transitioning to the Cloud, the adoption of robust Cloud security best practices has become imperative for ensuring cyber resilience. However, it calls for a shared responsibility model that is clearly understood by both organizations leveraging the Cloud and the Cloud Service Providers (CSPs)

Rebecca Dupuis

Feb 06, 2024

Technology and digital transformation have changed how individuals and organizations store, process, and share information. Cloud computing is at the heart of this revolution – a ubiquitous and dynamic digital ecosystem powering businesses and organizations of all sizes. However, as the reliance on the Cloud intensifies, so does the need for a robust cloud security approach and adopting best practices for cloud security. It helps organizations protect the confidentiality, integrity, and availability of their valuable information assets, finances, and reputation.

How Cloud Security Is Different from Securing a Traditional On-Premise Data Center

Unlike an on-premise data center, cloud security is built on a different architectural structure that shifts from the Capital Expenditure (CapEx) on hardware and infrastructure to Operational Expenditure (OpEx). But this aspect is only one side of the story. Cloud follows a shared responsibility model of information security, with the provider responsible for the infrastructure's safety and the customer handling only the data and applications. A typical shared responsibility model in an Amazon Web Services Cloud is depicted below:

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Cloud is cost-effective but demands more focus on Identity and Access Management / Privileged Access Management (IAM/PAM) controls to ensure you can only access sensitive data if authorized. Also, the Cloud raises data sovereignty concerns as it is spread out geographically. Therefore, you must consider data location and compliance to cover all the bases, which could be challenging.

How Organizations Can Master Cloud Security in Today's Cyber World

Now the question remains – how can organizations master cloud security to cover all the concerns that come with the Cloud? The answer is a holistic, multi-layered approach centered around the following aspects:

  1. Understanding Cloud Security's Shared Responsibility Model:

Being secure in the Cloud takes a collaborative effort. While the cloud providers care for the underlying infrastructure, your organization is responsible for data security within the environment. Hence, you must clearly define and document the shared responsibility matrix. It will help you achieve two significant ends: ensuring effective security governance and pinpointing accountability.

      2. Addressing Compliance and Legal Considerations:

Cloud is a level above the geographical boundaries. And in this dynamic digital age, data privacy regulations can make or break an organization. You should comply with regional and international data privacy regulations like the GDPR, HIPAA, and SOX. However, it does not end with it. You'll need to perform thorough risk assessments, establish clear and strict data governance policies, and leverage compliance-native cloud services.

      3. Leveraging AI and Automation:

Cloud is a storehouse for all kinds of data, and the sheer volume of data needs intelligent tools. Here comes Artificial Intelligence (AI) to lend a hand. AI can help you automate solutions to routine security tasks, detect real-time anomalies, and respond to rising threats – all of which will require a team of humans otherwise. Hence, including AI in your strategy can help you use it to your advantage. It's better, more efficient, and cost-effective.

      4. Adoption of a Zero Trust Strategy:

Zero trust approaches or strategies of "Never trust, always verify" should be your organization's cloud mantra! Assuming that none of the customers, devices, and applications are to be trusted and require strict authentication and authorization will create a barrier around the Cloud, keeping threat actors at bay. It will include implementing safeguards like MFA (Multi-Factor Authentication), micro-segmentation, and 'least privilege' access controls. With such strategies, you can verify each user and device trying to access your cloud resources.

      5. Senior Management Support and Understanding that Cloud Is Different:

Merely following the above approaches is not sufficient. It is also vital for the employees of an organization to have adequate support to uphold them. A culture shift for securing the Cloud is essential for it. Most of all, senior management, executives, and the C-Suite must understand how cloud security differs from traditional on-premise security. Based on it, they can provide unwavering support to their workforce for security initiatives.

      6. Employee Awareness and Training:

Do not forget the employee training programs – they'll help you foster a security-first culture. Your workforce is the first line of defense against any threat or cyberattack. And if they're not adequately trained to recognize and handle the initial tactics, your organization will suffer sooner or later. Ensure you regularly train employees on cloud network security, threats to cloud security, phishing scams, social engineering, and what to do when an incident occurs.


Emerging Trends in Cloud Security Best Practices and Future Outlook on Cloud Security

The future of cloud security is poised to grow by leaps and bounds with many emerging trends. The cloud security market is estimated to grow at a CAGR of 12.86%. With such growth, multi-cloud and hybrid-cloud environments will be widespread, and AI will be at the forefront. Statista forecasts that the Cloud Security market's revenue will hit US$2.31 billion in 2024 and is anticipated to experience a compound annual growth rate (CAGR) of 37.93% from 2024 to 2028, culminating in a market value of US$8.36 billion by 2028.

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Multi-cloud environments drive the need for innovation in the Cloud, and your organization will have to adopt them compulsively, if not by choice. Also, AI is becoming necessary to manage the complexity of the Cloud. Even today, cloud security teams focus on workflow automation so their work can be done better in less time. Here are a couple of other things that you should look out for.

  • Secure Access Service Edge (SASE): SASE will facilitate rapid cloud adoption by allowing customers to access applications, data, and services at any instant.
  • Optimized SaaS Security: SSPM (SaaS Security Posture Management) has proven to be a boon for monitoring cloud-based SaaS applications and will continue to grow.
  • Cloud Access Security Broker or CASB: CASB serves as an intermediary software or hardware hosted in the cloud or on-premises and bridges the gap between users and CSPs by implementing access policies for cloud resources and offering enhanced visibility and control.


The vast potential of the Cloud is undeniable, but one cannot ignore its security complexities. Welcoming a proactive and multi-layered cloud security approach or defense-in-depth strategy is not a luxury but a necessity for any organization today.

That said, you can easily navigate the space and turn your organization into a truly secure cloud fortress by making the most of the seemingly simple yet crucial points explained above. Adopt a step-by-step and security-by-design approach, ticking the boxes as you go, and your organization will master cloud security significantly in the digital age.

  • Cloud Security