What is Cloud Security? Cloud Security Defined, Explained, and Explored

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What is Cloud Security?

Cloud security, often referred to as cloud computing security, is a collection of rules, controls, procedures, and technologies that work together to safeguard cloud-based systems, data, and infrastructure. These security measures are set up to protect cloud data, assist regulatory compliance, preserve consumer privacy, and set up authentication procedures for particular users and devices. Cloud security can be adjusted to meet the organization's specific needs, from granting access to screening traffic. Furthermore, because these rules can be defined and managed in one location, administrative costs are decreased, allowing IT teams to focus on other aspects of the business.

Advantages of Cloud Security

Cloud security is critical for firms that are making a move to the cloud. Cloud computing is no less vulnerable than an on-premise environment to security attacks continually growing and becoming more sophisticated. As a result, partnering with a cloud provider that offers best-in-class security that is suited to your architecture is crucial.

There are numerous advantages to cloud security, including:

Centralized Security

Cloud security centralizes protection in the same way that cloud computing centralizes applications and data. When dealing with shadow IT or BYOD, cloud-based business networks contain many devices and endpoints that might be challenging to manage. Centrally managing these entities improves traffic analysis and web filtering, streamlines network event monitoring, and reduces software and policy updates. When disaster recovery plans are collected in one place, they can be readily implemented and maintained.

Reduction in Cost

One of the advantages of using cloud storage and security is that it removes specialized hardware requirements. Not only does this save costs on capital, but it also saves money on administrative costs. Whereas IT staff had to deal with security concerns as they arose in the past, cloud security provides proactive security features that give protection 24 hours a day, 7 days a week, with very little human involvement.

Reduced Administration

You can say goodbye to manual security configurations and practically continual security updates when choosing a reliable cloud services provider or cloud security platform. These duties can consume many resources, but when you shift them to the cloud, all of your security management is handled in one place and on your behalf.


Cloud computing services provide the highest level of reliability. Users may safely access data and applications in the cloud no matter where they are or what device they are using if the correct cloud security measures are in place.

More companies are discovering the numerous commercial advantages of transferring their systems to the cloud. Cloud computing enables businesses to operate at scale, cut technological expenses, and implement agile methods, giving them a competitive advantage. All data, systems, and applications must be safeguarded from data theft, leakage, corruption, and deletion, and organizations must have complete confidence in their cloud computing security.

Types of Cloud Environment

The three main types of cloud environments are as follows:

Public Cloud Services

Identity management, authentication, and access control are critical since they are hosted by third-party cloud service providers (e.g., Amazon Web Services (AWS), Microsoft Azure, and Google Cloud) and are commonly available through web browsers.

Private Clouds

Dedicated to a particular organization and solely available to that organization. They are, however, prone to data breaches, social engineering, and other attacks.

Hybrid Clouds

Combining parts of public and private clouds allows enterprises to have more control over their data and resources than they would in a public cloud environment while still having access to the scalability and other benefits of the public cloud when needed.

Cloud Services Model

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The Most Common Cloud Service Models Can Be Classified into Three Categories.

Infrastructure as a Service (IaaS)

Allows for a pre-configured virtualized data center computing resource on-demand model (i.e., network, storage, and operating systems). It's vital to think about how virtual machines are provisioned, managed, and shut down because this can include automating the production of virtual machines at scale.

Platform as a Service (PaaS)

Provides tools and other computing infrastructure so that businesses may concentrate on developing and deploying online applications and services. Developers, operations, and DevOps teams are the primary beneficiaries of PaaS setups. Controlling risk requires careful management and setting of self-service entitlements and rights.

Software as a Service (SaaS)

Usually offered as software services over a web browser on the client's side, a third party hosts these applications. While SaaS eliminates the need to deploy and manage apps on end-user devices, web services and content can potentially be accessed by any employee. To monitor the sorts of SaaS applications accessed, usage, cost, suitable visibility, and access controls are essential.

Cloud Security Solutions

To overcome the primary cloud security concerns of visibility and control over cloud data, organizations considering cloud security solutions should examine the following criteria.

Data Visibility in the Cloud

Direct access to the cloud service is required for a complete view of cloud data. An application programming interface (API) link to the cloud service is used by cloud security solutions. It is possible to view the following information using an API connection:

  • What information is kept in the cloud?
  • Who is making use of cloud data?
  • Users who have access to cloud data and their jobs.
  • Who are cloud users sharing their info with?
  • The location of cloud data.
  • Where cloud data is accessed and downloaded, as well as whose device is doing so. Apply the controls that best suit your organization once you have visibility into cloud data. These safeguards include:

Data Classification

As data is created in the cloud, classify it on many levels, such as sensitive, regulated, or public. Data can be stopped from entering or leaving the cloud service once it has been categorized.

Data Loss Prevention (DLP)

Implement a cloud data loss prevention (DLP) solution to safeguard data from unauthorized access and automatically disable access and data transmission when suspicious behavior is identified.

Collaboration Controls

Downgrade file and folder rights for designated users to editor or viewer, remove permissions and revoke shared links from within the cloud service.


Even if data is ex filtrated or stolen, cloud data encryption can be utilized to prevent unwanted access.

Data and Apps in the Cloud are Accessible.

Access control, like in-house security, is a critical component of cloud security. Controls that are commonly used include:

Implement system and application access restrictions to guarantee that only authorized users can access cloud data and apps. To implement access rules, a Cloud Access Security Broker (CASB) might be employed.

When a personal, unauthorized device tries to access cloud data, use device access control to prevent it.

Malicious Behavior Detection

Use user behavior analytics (UBA) to detect compromised accounts and insider threats, preventing malicious data exfiltration.

Malware Prevention

Use techniques like file scanning, application whitelisting, machine learning-based malware detection, and network traffic analysis to keep malware out of cloud services.

Privileged Access

Identify all conceivable kinds of access that privileged accounts might have to your data and applications, and put controls in place to limit exposure. Existing compliance regulations and practices should be supplemented to encompass cloud-based data and apps. Review and update risk assessments to incorporate cloud services. Determine the hazards posed by cloud environments and providers and take steps to mitigate them.

Compliance Evaluations

Review and update PCI, HIPAA, Sarbanes-Oxley, and other application regulatory compliance assessments.


As we migrate our devices, data centers, business operations, and more to the cloud, data security becomes increasingly crucial. Comprehensive security policies, an organizational culture of safety, and cloud security solutions are all used to ensure high-quality cloud data protection.


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