Cloud Deployments VS Cloud Security
The adoption of cloud computing by organizations has increased in recent years due to the ease of management and cost-efficiency it offers. However, ensuring the security of data and information in the cloud is a crucial concern. Cloud security involves implementing policies, controls, and other information security measures to prevent data leakage, theft, and deletion. The importance of cloud security and the risks associated with it have garnered attention from a variety of industries. Virtualization, the fundamental technology used in cloud computing, enables the provision of services through the use of virtual machines that can run various applications. Cloud deployments can take several forms, including private clouds, which are dedicated to a single organization; public clouds, which are shared by multiple users or businesses; hybrid clouds, which combine private and public clouds; and multi-clouds, which consist of a grouping of public clouds that can be hybrid or vice versa.
Need of Cloud Security
Cloud security is a complicated concept, with new issues cropping up every year. Although cloud security experts have developed their comprehension of the complexity of cloud security, and cloud infrastructures are being secured, still cloud attackers and hackers are becoming more sophisticated. Businesses benefit from the cloud, but it is not without risk, and cloud security is critical for businesses and their employees. Both organizations and users must include and comprehend cloud security. Companies risk losing a lot of money in settlements if they lose important and sensitive data.
Risks of Public Cloud Environments
Year by year, the number of public cloud users is increasing. There are plenty of benefits of the public cloud but there are several risks as well. Organizations need to understand these risks to protect the organization and appropriately mitigate these risks.
- Lack of control: -
The control of the public cloud is limited and the cloud environment occupies a single environment to serve many customers or tenants.
Customers of the public cloud do not have access to the hypervisor because of the shared environment. Customers are unable to customize their environment and have less control as a result of their lack of access. In the aspect of the organization, there is no control over which method they used in authentication, authorization, and access control in public clouds. When using a public cloud environment, it may be difficult to ensure that your organization's strict security policies are followed.
- Not providing secure disaster recovery
Most organizations use the public cloud as their disaster recovery method without considering other backups or proper disaster recovery methods. Simply public cloud is not either a disaster recovery method or a backup method. Having a backup or disaster recovery plan is crucial in place in case your public cloud provider fails or if you accidentally delete files. In 2011, Amazon lost some of its client's data and in 2015 Google also lost some of its client data. Therefore public cloud can't guarantee that the public cloud provides 100% security and redundancy when there is a requirement for backup of disaster recovery.
Lack of Security regulations
As previously stated, a multi-tenant public cloud ecosystem inherently poses its own security risks, as a single flaw in the infrastructure can render the entire environment vulnerable. Therefore, a hacker can pretend to be a client in the multi-tenant echo system and reveal all other clients' data. Due to these vulnerabilities, organizations should consider what the compliance regulations and guidelines are that affect organizational security.
Ownership of the Data
The majority of people, including IT professionals, are unaware that their public cloud provider actually owns their data. Therefore, reading the service level agreement (SLA) is important before uploading the data to the public cloud services. If the organization needs to have public cloud services, then the non-confidential materials should be placed in the public cloud, and you need to use a cloud provider that allows you to retain ownership.
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