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Data at Rest – Why Data Encryption, Data Security and Beneficial to IT Teams are Its Necessary Trinity?

TechnoBind-Prashanth-GJ

Prashanth GJ, CEO, TechnoBind Solutions

Data at rest may be a known term to technology enthusiasts, but not for many others. So what does data at rest mean? It refers to data that is not actively being transferred, processed, or accessed by users or applications. This data is typically stored in databases, file systems, or other storage devices, such as hard drives, flash drives, or tape backup systems. Data at rest can include a variety of types of data, including personal information, financial data, intellectual property, and other sensitive or confidential information.

This data may be encrypted or protected by other security measures to prevent unauthorized access or theft. Ensuring the security of data at rest is an important aspect of information security, as it can be vulnerable to theft, hacking, or other unauthorized access if not properly protected. Organizations may use a range of security measures to protect data at rest, including access controls, encryption, and physical security measures such as locked data centers or storage rooms.

How is it beneficial to the IT teams?
Data at rest plays a critical role in IT as it allows organizations to protect, manage, and leverage their data assets effectively. In IT, data at rest is used for various purposes, including:

  • Backup and Recovery: Data at rest is used to create backups of important data to protect against data loss due to hardware failure, cyber-attacks, or natural disasters. This data can be restored in case of data loss.
  • Compliance: Many industries are required to follow strict compliance regulations that mandate the protection of sensitive data at rest. Examples of such industries include healthcare, finance, and government.
  • Analytics: Data at rest can be analyzed to gain insights into business operations, customer behavior, and market trends. This analysis can help organizations make data-driven decisions to improve their products or services.
  • Archiving: Data at rest can be archived for long-term storage purposes, such as preserving historical records, research data, or legal documents.
  • Application Development: Developers often use data at rest to test and debug applications. They may also use it to create a sandbox environment for development and testing.

Data at rest needs security to protect sensitive information, comply with regulations, maintain reputation and protect intellectual property. Data encryption is an effective way to protect data at rest and helps to ensure that sensitive information remains confidential and secure. It helps protect data at rest by converting it into an unreadable form, making it difficult for unauthorized parties to access and read the data even if they gain physical access to the storage device where the data is stored. Here are some ways data encryption helps the data at rest:

Prevents unauthorized access: Data encryption uses complex algorithms to scramble the data in such a way that it can only be deciphered by those who have the correct decryption key or password. Without this key, the data is essentially unreadable and unusable.

Maintains confidentiality: Encryption helps to maintain the confidentiality of sensitive information by ensuring that only authorized individuals can access it. This is particularly important for data stored on portable devices such as laptops or USB drives that may be lost or stolen.

Provides an additional layer of security: Even if an attacker manages to bypass other security measures such as firewalls, antivirus software, or access control systems, they will not be able to read the encrypted data without the decryption key.

Complies with regulatory requirements: Many industry regulations and data protection laws require that sensitive data be encrypted when stored at rest. Encryption is an important part of data security and can help organizations meet their compliance obligations.

But why is security necessary for data at rest considering it is actively being transferred, processed, or accessed by users or applications?

Confidentiality: Data stored at rest may contain sensitive or confidential information, such as financial data, personal information, or trade secrets. If this data falls into the wrong hands, it can be used for malicious purposes.
Reputation: A data breach can have severe consequences for an organization’s reputation. Customers and stakeholders may lose trust in the organization if it fails to protect their data.
Intellectual Property: Organizations that store intellectual property (IP) such as patents, trade secrets, or copyrighted materials must protect this data from theft and unauthorized access.

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