What is fine-grained access control in AWS?

Amazon Elasticsearch Service (Amazon ES) provides fine-grained access control, powered by the Open Distro for Elasticsearch security plugin. The security plugin adds Kibana authentication and access control at the cluster, index, document, and field levels that can help you secure your data.

How do I restrict access to DynamoDB?

Go to the DynamoDB Console, select the table, and click the Access Control button: After you create it, head over to the IAM Console, create a role for Web Identity Provider access with no permissions, and then paste the policy into the role.

What is the best way to give mobile devices permissions to read from DynamoDB?

What is the best way to give mobile devices permissions to read from DynamoDB? Create an IAM role that can be assumed by an app that allows federated users. Explanation: Web identity federation removes the need for creating individual IAM users.

How DynamoDB encrypts all data by default and provides fine-grained identity and access control on all your tables?

DynamoDB encrypts at rest all user data stored in tables, indexes, streams, and backups using encryption keys stored in AWS Key Management Service (AWS KMS) . This provides an additional layer of data protection by securing your data from unauthorized access to the underlying storage .

What is fine-grained access control?

Fine-grained access control is a method of controlling who can access certain data. Most often used in cloud computing where large numbers of data sources are stored together, fine-grained access control gives each item of data its own specified policy for access.

What is Kibana AWS?

Kibana is a data visualization and exploration tool used for log and time-series analytics, application monitoring, and operational intelligence use cases. It offers powerful and easy-to-use features such as histograms, line graphs, pie charts, heat maps, and built-in geospatial support.

Which techniques should you use to secure Amazon DynamoDB?

Use the DynamoDB Encryption Client for client-side encryption, in which you encrypt your table data before you send it to DynamoDB. You may choose to do this based on your data’s sensitivity and your application’s security requirements. For more information, see Client-Side and Server-Side Encryption.

Is DynamoDB encrypted in transit?

With server-side encryption, your data is encrypted in transit over an HTTPS connection, decrypted at the DynamoDB endpoint, and then re-encrypted before being stored in DynamoDB. Encryption by default. DynamoDB transparently encrypts and decrypts all tables when they are written to disk.

How do I find my DynamoDB access key?

Getting an AWS Access Key

  1. In the navigation pane, choose Users.
  2. Choose the name of the user whose access keys you want to create, and then choose the Security credentials tab.
  3. In the Access keys section, choose Create access key.
  4. To view the new access key pair, choose Show.
  5. To download the key pair, choose Download .

What is the maximum size of an item in a DynamoDB table?

400 KB
The maximum item size in DynamoDB is 400 KB, which includes both attribute name binary length (UTF-8 length) and attribute value lengths (again binary length). The attribute name counts towards the size limit.

Why is DynamoDB so popular?

MongoDB and DynamoDB are two popular NoSQL databases. However, DynamoDB has been gaining popularity over MongoDB due to its serverless and easy-to-use nature as well as better security.

How can we protect DynamoDB?

How does access control work in AWS DynamoDB?

You can now use AWS Identity and Access Management (IAM) policies to regulate access to items and attributes stored in DynamoDB tables, without the need for a middle-tier proxy as illustrated above. Here are some of the things that you can build using fine-grained access control:

How to create fine grained access control for DynamoDB?

Visit the Fine-Grained Access Control section of the DynamoDB Developer Guide to learn how to create an access policy, create an IAM role, and assign your access policy to the role. We also have a collection of sample policies.

How to grant Amazon Cognito access to DynamoDB?

This policy limits access to DynamoDB rows by checking the value of cognito-identity.amazonaws.com:sub. This value is the identity ID for the unique Amazon Cognito user. Sign in to the IAM console. Choose Create new role. Choose Role for identity provider access. For Grant access to web identity providers, choose Select.

How are conditions specified in IAM policy DynamoDB?

Grant permissions to allow users write-only access to certain attributes in a table, based upon the identity of that user. In DynamoDB, you can specify conditions in an IAM policy using condition keys, as illustrated in the use case in the following section.