Google Inc on Tuesday, March 1,  made client-side encryption (CSE) available for some Gmail and Calendar users, which was earlier available in Google Drive, Docs, Slides, Sheets and other Workspace. 

Client-side encryption is expected to bring incremental benefits by securing user data in case of a breach in Google’s servers. 
This is achieved by encrypting data on a client’s device before it is sent to Google. The encrypted data can only be decrypted by a machine with the same key used by the sender, thereby enhancing security.

Data on a client's device is encrypted before it is sent to Google in order to do this. The security is increased since only a machine using the same key as the sender may decrypt the encrypted data.

Workspace already uses secure-by-design cryptographic libraries to encrypt data both in transit and at rest. Client-side encryption raises the bar for encryption by giving users entire control over their encryption keys and, consequently, all access to their data, the business explained in a blog post.

Months after Apple increased end-to-end encryption for data points on iCloud, Google released an update. When Security Keys for Apple ID were first released, users could increase the security of their accounts by requiring a physical key as part of the two-factor authentication sign-in process on new devices.

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