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Metadata

Id: 741f1291-47ac-4a85-a07b-3d32a9d6bd3e

Cloud Provider: AWS

Platform: Terraform

Severity: Low

Category: Best Practices

Learn More

Description

It is a best practice to enable Point-in-Time Recovery (PITR) for DynamoDB tables to protect against accidental or malicious data loss. In Terraform, this is configured using the point_in_time_recovery { enabled = true } block. Leaving it as enabled = false means that deleted or corrupted data cannot be recovered to a previous state. Without PITR enabled, any accidental overwrite or deletion of table data can result in permanent loss, potentially impacting application availability or causing irreparable data integrity issues.

Compliant Code Examples

resource "aws_dynamodb_table" "basic-dynamodb-table" {
  name           = "GameScores"
  billing_mode   = "PROVISIONED"
  read_capacity  = 20
  write_capacity = 20
  hash_key       = "UserId"
  range_key      = "GameTitle"

  point_in_time_recovery {
   enabled = true
  }

  attribute {
    name = "UserId"
    type = "S"
  }

  attribute {
    name = "GameTitle"
    type = "S"
  }

  attribute {
    name = "TopScore"
    type = "N"
  }

  ttl {
    attribute_name = "TimeToExist"
    enabled        = false
  }

  global_secondary_index {
    name               = "GameTitleIndex"
    hash_key           = "GameTitle"
    range_key          = "TopScore"
    write_capacity     = 10
    read_capacity      = 10
    projection_type    = "INCLUDE"
    non_key_attributes = ["UserId"]
  }

  tags = {
    Name        = "dynamodb-table-1"
    Environment = "production"
  }
}

Non-Compliant Code Examples

resource "aws_dynamodb_table" "basic-dynamodb-table" {
  name           = "GameScores"
  billing_mode   = "PROVISIONED"
  read_capacity  = 20
  write_capacity = 20
  hash_key       = "UserId"
  range_key      = "GameTitle"

  attribute {
    name = "UserId"
    type = "S"
  }

  attribute {
    name = "GameTitle"
    type = "S"
  }

  attribute {
    name = "TopScore"
    type = "N"
  }

  ttl {
    attribute_name = "TimeToExist"
    enabled        = false
  }

  global_secondary_index {
    name               = "GameTitleIndex"
    hash_key           = "GameTitle"
    range_key          = "TopScore"
    write_capacity     = 10
    read_capacity      = 10
    projection_type    = "INCLUDE"
    non_key_attributes = ["UserId"]
  }

  tags = {
    Name        = "dynamodb-table-1"
    Environment = "production"
  }
}
resource "aws_dynamodb_table" "basic-dynamodb-table" {
  name           = "GameScores"
  billing_mode   = "PROVISIONED"
  read_capacity  = 20
  write_capacity = 20
  hash_key       = "UserId"
  range_key      = "GameTitle"

  point_in_time_recovery {
   enabled = false
  }

  attribute {
    name = "UserId"
    type = "S"
  }

  attribute {
    name = "GameTitle"
    type = "S"
  }

  attribute {
    name = "TopScore"
    type = "N"
  }

  ttl {
    attribute_name = "TimeToExist"
    enabled        = false
  }

  global_secondary_index {
    name               = "GameTitleIndex"
    hash_key           = "GameTitle"
    range_key          = "TopScore"
    write_capacity     = 10
    read_capacity      = 10
    projection_type    = "INCLUDE"
    non_key_attributes = ["UserId"]
  }

  tags = {
    Name        = "dynamodb-table-1"
    Environment = "production"
  }
}