What Is Cloud Cryptography And How Does It Work?

encryption in cloud computing

The storage and access of data and computer services through the internet is referred to as cloud computing. It does not save any information on your computer. It refers to the availability of computer services such as servers, data storage, networking, databases, and so on on demand. The basic goal of cloud computing is to provide numerous users with access to data centres. Data from a distant server can also be accessed by users.

Cloud computing services, like other IT assets, are vulnerable to cyber-attacks and data breaches. Spear-phishing is a type of cloud security breach in which a cybercriminal uses an email phishing scam to target a specific individual. When a targeted individual clicks on a link in a phishing email, they expose themselves and their employer to a data breach, which can effect millions of people. Cloud Computing Courses in Chennai will enhance your technical skills in Cloud Platform.

Cloud cryptography is one technique to improve the security of your cloud services.

Defining Cloud Cryptography:

The encryption of data stored in a cloud service is known as cryptography in cloud computing. Encryption is the process of changing data to make it appear to be something else until an authorised user logs in and reads the data in its “plaintext” (that is, true) form. Cryptographic keys are used to encrypt plaintext into ciphertext, which is a random string of characters.

Cloud encryption is smart since it protects your data once it leaves your company’s IT system. This ensures that your data is secure no matter where it travels through your cloud computing services. Encryption helps to secure data rather than the locations where it is stored, resulting in a higher level of cybersecurity for your company.

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How Does Cloud Cryptography Work?

Data-in-transit and data-at-rest are the two forms of cloud cryptography that your company should incorporate in its cybersecurity policies.


The term “data-in-transit” refers to data that is in the process of being transferred between two or more endpoints. The HTTPS and HTTP protocols that safeguard the information channel you use when accessing different sites across the online are a prevalent form of data-in-transit cloud encryption that you can observe when using an internet browser. They do this by enclosing the secure channel in an SSL, or “secure socket layer,” which is a layer of encryption.

When data is exchanged between your endpoint and the endpoint for the website you’re viewing, the SSL within the HTTP or HTTPS encrypts your data and the data of the website so that if your channel is hacked, the cybercriminal will only see encrypted data.


Sensitive data stored in company IT architecture such as servers, discs, or cloud storage services is known as data-at-rest. By encrypting data while it is being kept, you may enforce access control by only granting decryption credentials to authorised personnel. Anyone attempting to access your data-at-rest will be presented with encrypted data rather than plaintext.

Symmetric Cryptographic Algorithm:

Authorized users can access both data at rest and data in transit using this encryption algorithm, which eliminates the need for manual encryption and decryption. Once login credentials are provided, the method automatically encrypts and decrypts important information.

Despite the fact that symmetric cryptographic algorithms are frequently automated, key management is still required. Depending on the cloud service provider you select, your company may opt to use several cryptographic key types or different types of encryption keys. If you work with numerous cloud service providers or in different cloud environments, your key management system should help you keep track of all of your encryption keys.


So far we discussed about Cloud Cryptography and to learn more about encryption in cloud computing and work and process of cloud computing, join Cloud Computing Courses in Coimbatore.

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