How Will You Keep Your Sensitive Data Safe & Secure?

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How Will You Keep Your Sensitive Data Safe & Secure?
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server-side-vs-client-side

Being a businessman, you might have a lot of confidential data, documents, personal photos, and other information that you wanted to protect and keep it safe with you. Securing data and information is a highly critical asset that you can’t be compromised with.

To keep it safe and secure, you might be using a pen drive and other external devices, but there is a limitation of space. You can’t store all your data, private photos and other important files in pen drive as it exposes all your data, regardless of previously established authentication programs. Even, the size of the pen-drives is too small to assist portability, but it also means that they are easier to misplace.

And, once you misplace or lose your pen drive, you cannot get your data back as there is not a single resource to get your private data back. Many of you might be using cloud and other file storages like Google Drive and Dropbox. But do you know these service providers are creating multiple files of your docs, private photos, and other confidential information? Even, they can read and access your private files and photos

What if you want to keep your private photos safe with you only. What will you do if you have some files and docs that you don’t want any third-party to read it? Generally, there are two ways to protect your private data, files and photos:

  1. Client-side Encryption
  2. Server-side Encryption

1. Client-side Encryption

When it comes to talking about the client-side encryption, it is an advanced cryptographic method of encrypting data on the sender’s side before transmitting it to a server like a cloud storage service.

Not like end-to-end encryption, client-side encryption mainly features a passphrase or an encryption key, which is not available to the service provider, so it will be not easily feasible for service providers to decrypt hosted data.

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In addition to this, Client-side encryption is a zero-knowledge application, so the providers can’t access the information and data that stored by users. Thus, it offers a high level of privacy, giving a peace of mind to its users.

As compared to other options like end-to-end encryption, client-side encryption is highly popular because of its exceptional data security strategy. It also ensures the data and files that are stored in the cloud can only be viewed on the client-side of the exchange.

It will prevent data loss and the unauthorized disclosure of private or personal files, giving complete peace of mind to security. In short, client-side encryption shows a more secure option as you are the only one with a key to your most important data, files, and photos.

Some of the Major Benefits of Client-side Encryption

For many users worldwide, client-side encryption delivers a dramatic improvement over traditional, end-to-end encryption models as it makes sure the security and integrity of files, sensitive data, and photos. Here are the advantages of client-side encryption:

1.Stronger Cloud-based Storage

Client-side encryption improves users’ capability to protect data and files. It makes sure that the files and data, which are stored in the cloud remain private by rejecting the viewing access to servers and service providers. It will eliminate the possibility of sensitive information and photos to be accessed, stolen or leaked.

2. Protecting From Third-party Access

Another important benefit of client-side encryption is that it protects users from third-party access. With cloud-based storage service providers, even government agencies and hackers can view the information within the users’ saved files when data is protected through traditional encryption.

Since client-side encryption option has been introduced, hackers and service providers do not have a passphrase as this is the way to ensure that stored data remains private and secure. With client-encryption, service providers are not allowed to deliver access to data as they are legally compelled to follow this.

3. Security for Stolen & Misplaced Devices

Today, stolen or lost devices are considered as the major concern for personal and business users. Just like end-to-end encryption, client-side encryption allows the owners of lost and stolen devices to retain access to data that is stored in the cloud and the ability to reset passwords, helping ensure the personal cloud-based files.

One of the most cultured client-side encryption technologies that allow users to encrypt data, which is stored on their devices, strengthening the security of pictures, files, and information.

2. Server-side Encryption

Server-side Encryption is all about data encryption which is Amazon S3 encrypts your data at the object level. This writes it to disks in its data centres and decrypts it for you when you access it.

As long as you are authenticating your request and you have a complete access permission, there is no difference in the way you access encrypted and unencrypted objects.

server-side-encryption

For instance, if you are sharing different objects with the help of pre-signed URL, that URL works the same way for both encrypted and unencrypted objects.

Mainly, you have three exclusive options, depending on how you are selecting to manage the encryption keys:

  1.  Server-side Encryption with Amazon S3-Managed Keys (SSE-S3): Every single object is encrypted with a new key employing strong multi-factor encryption. For an extra safeguard, it encrypts the key itself with a master key, which it regularly rotates.

Amazon S3 server-side encryption users one of strongest block ciphers obtainable, 256-bit Advanced Encryption Standard (AES-256), to encrypt your data. To get more information, you can check out Protecting Data Using Server-Side Encryption with Amazon S3-Managed Encryption Keys (SSE-S3).

  1.  Use Server-side Encryption with AWS KMS-Managed Keys (SSE-KMS): Like SSE-S3, but with some extra advantages along with some additional charges for using this service.

Separate permissions are there that can be used easily for an envelope key, giving some extra protection against unauthorized access of your objects in S3. SSE-KMS also delivers users with an audit when the key was used and by whom.

Moreover, it also gives an option to develop and manage encryption keys or you can use default key which is unique to you, the service you are using, and the region you are working in. Get additional information here at Protecting Data Using Server-Side Encryption with AWS KMS–Managed Keys (SSE-KMS).

  1.  Utilizing Server-side Encryption with Customer-Provided Keys (SSE-C): As you can manage the encryption keys and Amazon S3 manages the encryption, as it writes to disks, and decryption, when you access your objects. Go through – Protecting Data Using Server-Side Encryption with Customer-Provided Encryption Keys (SSE-C) to get more information.

Conclusion

Both server-side encryption and client-side encryption are considered as the safe and secure way to store data, files, and important photos. According to your preference, you can choose any of these two ways to secure your sensitive data and files that you can’t share with anyone.

In case, if you have any query or confusion related to server-side encryption or client-side, you can get in touch with us as we are a leading mobile app development company with a team of full stack mobile app developers.

 
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