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Enterprise Security Magazine | Monday, January 31, 2022
While cloud encryption presents challenges, standards, regulations, and privacy requirements have positioned it as a critical security control for most organizations, and cloud providers now offer a variety of platforms to meet a range of data security requirements and budgets.
FREMONT, CA: Cloud encryption is a service provided by cloud storage providers in which a customer's data is encrypted and stored in the cloud. Cloud encryption is nearly comparable to on-premises encryption, with one critical difference: the cloud customer must spend time learning about the provider's encryption and key management rules and processes. The service provider's cloud encryption capabilities must be commensurate with the sensitivity of the data being housed.
IT administrators view encryption as the ultimate precaution against data theft. It is the third component of the security triad. Several compliances require it and regulatory standards, including the Federal Information Processing Standards (FIPS), the Federal Information Security Modernization Act (FISMA), the Health Insurance Portability and Accountability Act (HIPAA), and the Payment Card Industry Data Security Standard (PCI DSS). Even if the key is lost, stolen, or accessed through unauthorized access, encrypted data might remain unreadable and practically meaningless without it.
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Cloud encryption technologies secure data during transmission to and from cloud-based apps and storage, as well as to and from authorized users in many locations. Additionally, when data is stored on cloud-based storage devices, these solutions encrypt it. These safeguards prohibit unauthorized users from reading data as it travels to and from the cloud or reading files stored in cloud storage. Amazon Web Services (AWS), Dropbox, Microsoft Azure, and Google Cloud offer data-at-rest encryption in the cloud. The program manages encryption key exchanges and encryption and decryption procedures in the background, so users do not need to take further steps to access data beyond having correct authorization and authentication.
The advantages of cloud encryption
Cloud encryption acts as a proactive barrier against data breaches and assaults, enabling companies and their users to use the benefits of cloud collaboration services without jeopardizing data security. It can protect data from end-to-end throughout its transmission to and from the cloud and prevent unwanted access while it is kept. Additionally, it complies with numerous customer and governmental data security criteria.
The difficulties associated with cloud encryption
Although the advantages of cloud encryption far outweigh the disadvantages, system administrators should be aware of some of the more common problems. Historically, performance and integration problems have kept many organizations from adopting encryption as a normal practice, as encryption is sometimes perceived as overly hard or inconvenient for users who require simple access to information across various devices and places. While modern systems are faster and easier to use, it is critical to sample any platform to ensure integration and usability match needs. Monitoring access times and resource usage is particularly crucial due to the encryption process' resource-intensive nature, which adds time and money to daily tasks.
The loss of encryption keys is a serious worry, as it renders all encrypted data worthless, and poor key management might jeopardize crucial data. However, the most significant problem is ensuring that any cloud encryption services are configured and used effectively. When administrators believe data is encrypted when it is not, a hazardous gap in any data security plan can arise.
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