adding securityhub cloudwatch event notifications to sns
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# securityhub-notifications
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This module sets up Cloudwatch Event rules which notify a given SNS topic to inform administrators of any SecurityHub findings.
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https://aws.amazon.com/security-hub/
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## Usage
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```
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module "sns-email-topic" {
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source = "github.com/lalanza808/tf-modules.git/monitoring/sns-email-topic"
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}
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module "securityhub-notification" {
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source = "github.com/lalanza808/tf-modules.git/monitoring/securityhub-notifications"
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sns_topic_arn = module.sns-email-topic.topic_arn
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}
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```
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## Inputs
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You must provide one input, which is the SNS Topic ARN you wish to publish messages to.
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* `sns_topic_arn`
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You can provide these optional inputs:
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* `prefix`
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* `tags`
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See all inputs here: [variables.tf](./variables.tf)
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## Outputs
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None
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resource "aws_cloudwatch_event_rule" "health" {
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name = "${var.prefix}-aws-securityhub"
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description = "Capture AWS SecurityHub incidents and notify operations SNS"
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event_pattern = <<PATTERN
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{
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"source": [
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"aws.securityhub"
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],
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"detail-type": [
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"Security Hub Findings - Imported"
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]
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}
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PATTERN
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tags = {
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Terraform = "True"
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}
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}
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resource "aws_cloudwatch_event_target" "sns" {
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rule = aws_cloudwatch_event_rule.health.name
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target_id = "${var.prefix}-aws-securityhub"
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arn = var.sns_topic_arn
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}
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variable "sns_topic_arn" {
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description = "ARN of the SNS topic to recieve notifications"
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}
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variable "tags" {
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default = {}
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type = map
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description = "Optional set of tags to apply to the infrastructure"
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}
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variable "prefix" {
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default = "monitoring"
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description = "String to prefix to all resources"
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}
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