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https://github.com/cloudposse/terraform-aws-guardduty
Terraform module to provision AWS Guard Duty
https://github.com/cloudposse/terraform-aws-guardduty
compliance hcl2 security terraform terraform-modules
Last synced: 2 days ago
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Terraform module to provision AWS Guard Duty
- Host: GitHub
- URL: https://github.com/cloudposse/terraform-aws-guardduty
- Owner: cloudposse
- License: apache-2.0
- Created: 2020-11-12T16:42:25.000Z (about 4 years ago)
- Default Branch: main
- Last Pushed: 2024-09-06T17:18:23.000Z (2 months ago)
- Last Synced: 2024-09-06T20:39:42.543Z (2 months ago)
- Topics: compliance, hcl2, security, terraform, terraform-modules
- Language: HCL
- Homepage: https://cloudposse.com/accelerate
- Size: 2.07 MB
- Stars: 22
- Watchers: 16
- Forks: 27
- Open Issues: 7
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Codeowners: .github/CODEOWNERS
Awesome Lists containing this project
README
This module enables AWS GuardDuty in one region of one account and optionally sets up an SNS topic to receive
notifications of its findings.
> [!TIP]
> #### 👽 Use Atmos with Terraform
> Cloud Posse uses [`atmos`](https://atmos.tools) to easily orchestrate multiple environments using Terraform.
> Works with [Github Actions](https://atmos.tools/integrations/github-actions/), [Atlantis](https://atmos.tools/integrations/atlantis), or [Spacelift](https://atmos.tools/integrations/spacelift).
>
>
> Watch demo of using Atmos with Terraform
> 
> Example of running atmos to manage infrastructure from our Quick Start tutorial.
>
## Usage
Here's how to invoke this example module in your projects
```hcl
module "example" {
source = "https://github.com/cloudposse/terraform-aws-guardduty.git?ref=master"
create_sns_topic = true
subscribers = {
opsgenie = {
protocol = "https"
endpoint = "https://api.example.com/v1/"
endpoint_auto_confirms = true
}
}
}
```
> [!IMPORTANT]
> In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation
> and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version
> you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic
> approach for updating versions to avoid unexpected changes.
## Examples
Here is an example of using this module:
- [`examples/complete`](https://github.com/cloudposse/terraform-aws-guardduty/tree/master/examples/complete) - complete example of using this module
## Makefile Targets
```text
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
```
## Requirements
| Name | Version |
|------|---------|
| [terraform](#requirement\_terraform) | >= 0.13.0 |
| [aws](#requirement\_aws) | >= 3 |
## Providers
| Name | Version |
|------|---------|
| [aws](#provider\_aws) | >= 3 |
## Modules
| Name | Source | Version |
|------|--------|---------|
| [findings\_label](#module\_findings\_label) | cloudposse/label/null | 0.25.0 |
| [sns\_topic](#module\_sns\_topic) | cloudposse/sns-topic/aws | 0.20.1 |
| [this](#module\_this) | cloudposse/label/null | 0.25.0 |
## Resources
| Name | Type |
|------|------|
| [aws_cloudwatch_event_rule.findings](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/cloudwatch_event_rule) | resource |
| [aws_cloudwatch_event_target.imported_findings](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/cloudwatch_event_target) | resource |
| [aws_guardduty_detector.guardduty](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/guardduty_detector) | resource |
| [aws_sns_topic_policy.sns_topic_publish_policy](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/sns_topic_policy) | resource |
| [aws_iam_policy_document.sns_topic_policy](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/iam_policy_document) | data source |
## Inputs
| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| [additional\_tag\_map](#input\_additional\_tag\_map) | Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration. | `map(string)` | `{}` | no |
| [attributes](#input\_attributes) | ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the `delimiter`
and treated as a single ID element. | `list(string)` | `[]` | no |
| [cloudwatch\_event\_rule\_pattern\_detail\_type](#input\_cloudwatch\_event\_rule\_pattern\_detail\_type) | The detail-type pattern used to match events that will be sent to SNS.
For more information, see:
https://docs.aws.amazon.com/AmazonCloudWatch/latest/events/CloudWatchEventsandEventPatterns.html
https://docs.aws.amazon.com/eventbridge/latest/userguide/event-types.html
https://docs.aws.amazon.com/guardduty/latest/ug/guardduty_findings_cloudwatch.html | `string` | `"GuardDuty Finding"` | no |
| [context](#input\_context) | Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as `null` to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional\_tag\_map, which are merged. | `any` |
{
"additional_tag_map": {},
"attributes": [],
"delimiter": null,
"descriptor_formats": {},
"enabled": true,
"environment": null,
"id_length_limit": null,
"label_key_case": null,
"label_order": [],
"label_value_case": null,
"labels_as_tags": [
"unset"
],
"name": null,
"namespace": null,
"regex_replace_chars": null,
"stage": null,
"tags": {},
"tenant": null
} | no |
| [create\_sns\_topic](#input\_create\_sns\_topic) | Flag to indicate whether an SNS topic should be created for notifications.
If you want to send findings to a new SNS topic, set this to true and provide a valid configuration for subscribers. | `bool` | `false` | no |
| [delimiter](#input\_delimiter) | Delimiter to be used between ID elements.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |
| [descriptor\_formats](#input\_descriptor\_formats) | Describe additional descriptors to be output in the `descriptors` output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
`{
format = string
labels = list(string)
}`
(Type is `any` so the map values can later be enhanced to provide additional options.)
`format` is a Terraform format string to be passed to the `format()` function.
`labels` is a list of labels, in order, to pass to `format()` function.
Label values will be normalized before being passed to `format()` so they will be
identical to how they appear in `id`.
Default is `{}` (`descriptors` output will be empty). | `any` | `{}` | no |
| [enable\_cloudwatch](#input\_enable\_cloudwatch) | Flag to indicate whether an CloudWatch logging should be enabled for GuardDuty | `bool` | `false` | no |
| [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
| [environment](#input\_environment) | ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
| [finding\_publishing\_frequency](#input\_finding\_publishing\_frequency) | The frequency of notifications sent for finding occurrences. If the detector is a GuardDuty member account, the value
is determined by the GuardDuty master account and cannot be modified, otherwise it defaults to SIX\_HOURS.
For standalone and GuardDuty master accounts, it must be configured in Terraform to enable drift detection.
Valid values for standalone and master accounts: FIFTEEN\_MINUTES, ONE\_HOUR, SIX\_HOURS."
For more information, see:
https://docs.aws.amazon.com/guardduty/latest/ug/guardduty_findings_cloudwatch.html#guardduty_findings_cloudwatch_notification_frequency | `string` | `null` | no |
| [findings\_notification\_arn](#input\_findings\_notification\_arn) | The ARN for an SNS topic to send findings notifications to. This is only used if create\_sns\_topic is false.
If you want to send findings to an existing SNS topic, set the value of this to the ARN of the existing topic and set
create\_sns\_topic to false. | `string` | `null` | no |
| [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).
Set to `0` for unlimited length.
Set to `null` for keep the existing setting, which defaults to `0`.
Does not affect `id_full`. | `number` | `null` | no |
| [label\_key\_case](#input\_label\_key\_case) | Controls the letter case of the `tags` keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the `tags` input.
Possible values: `lower`, `title`, `upper`.
Default value: `title`. | `string` | `null` | no |
| [label\_order](#input\_label\_order) | The order in which the labels (ID elements) appear in the `id`.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present. | `list(string)` | `null` | no |
| [label\_value\_case](#input\_label\_value\_case) | Controls the letter case of ID elements (labels) as included in `id`,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the `tags` input.
Possible values: `lower`, `title`, `upper` and `none` (no transformation).
Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs.
Default value: `lower`. | `string` | `null` | no |
| [labels\_as\_tags](#input\_labels\_as\_tags) | Set of labels (ID elements) to include as tags in the `tags` output.
Default is to include all labels.
Tags with empty values will not be included in the `tags` output.
Set to `[]` to suppress all generated tags.
**Notes:**
The value of the `name` tag, if included, will be the `id`, not the `name`.
Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be
changed in later chained modules. Attempts to change it will be silently ignored. | `set(string)` | [
"default"
]
| no |
| [name](#input\_name) | ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a `tag`.
The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input. | `string` | `null` | no |
| [namespace](#input\_namespace) | ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique | `string` | `null` | no |
| [regex\_replace\_chars](#input\_regex\_replace\_chars) | Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |
| [s3\_protection\_enabled](#input\_s3\_protection\_enabled) | Flag to indicate whether S3 protection will be turned on in GuardDuty.
For more information, see:
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/guardduty_detector | `bool` | `false` | no |
| [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
| [subscribers](#input\_subscribers) | A map of subscription configurations for SNS topics
For more information, see:
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/sns_topic_subscription#argument-reference
protocol:
The protocol to use. The possible values for this are: sqs, sms, lambda, application. (http or https are partially
supported, see link) (email is an option but is unsupported in terraform, see link).
endpoint:
The endpoint to send data to, the contents will vary with the protocol. (see link for more information)
endpoint\_auto\_confirms:
Boolean indicating whether the end point is capable of auto confirming subscription e.g., PagerDuty. Default is
false
raw\_message\_delivery:
Boolean indicating whether or not to enable raw message delivery (the original message is directly passed, not wrapped in JSON with the original message in the message property).
Default is false | map(object({
protocol = string
endpoint = string
endpoint_auto_confirms = bool
raw_message_delivery = bool
})) | `{}` | no |
| [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).
Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
| [tenant](#input\_tenant) | ID element \_(Rarely used, not included by default)\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |
## Outputs
| Name | Description |
|------|-------------|
| [guardduty\_detector](#output\_guardduty\_detector) | GuardDuty detector |
| [sns\_topic](#output\_sns\_topic) | SNS topic |
| [sns\_topic\_subscriptions](#output\_sns\_topic\_subscriptions) | SNS topic subscriptions |
## Related Projects
Check out these related projects.
- [terraform-null-label](https://github.com/cloudposse/terraform-null-label) - Terraform module designed to generate consistent names and tags for resources. Use terraform-null-label to implement a strict naming convention.
- [terraform-aws-security-hub](https://github.com/cloudposse/terraform-aws-security-hub) - Terraform module to deploy AWS Security Hub
- [terraform-aws-config](https://github.com/cloudposse/terraform-aws-config) - Terraform module to enable AWS Config and optionally sets up an SNS topic to receive notifications of its findings.
## References
For additional context, refer to some of these links.
- [Terraform Standard Module Structure](https://www.terraform.io/docs/modules/index.html#standard-module-structure) - HashiCorp's standard module structure is a file and directory layout we recommend for reusable modules distributed in separate repositories.
- [Terraform Module Requirements](https://www.terraform.io/docs/registry/modules/publish.html#requirements) - HashiCorp's guidance on all the requirements for publishing a module. Meeting the requirements for publishing a module is extremely easy.
- [Terraform `random_integer` Resource](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/integer) - The resource random_integer generates random values from a given range, described by the min and max attributes of a given resource.
- [Terraform Version Pinning](https://www.terraform.io/docs/configuration/terraform.html#specifying-a-required-terraform-version) - The required_version setting can be used to constrain which versions of the Terraform CLI can be used with your configuration
> [!TIP]
> #### Use Terraform Reference Architectures for AWS
>
> Use Cloud Posse's ready-to-go [terraform architecture blueprints](https://cloudposse.com/reference-architecture/) for AWS to get up and running quickly.
>
> ✅ We build it together with your team.
> ✅ Your team owns everything.
> ✅ 100% Open Source and backed by fanatical support.
>
> 
> 📚 Learn More
>
>
>
> Cloud Posse is the leading [**DevOps Accelerator**](https://cpco.io/commercial-support?utm_source=github&utm_medium=readme&utm_campaign=cloudposse/terraform-aws-guardduty&utm_content=commercial_support) for funded startups and enterprises.
>
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> #### Day-0: Your Foundation for Success
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> - **Security Baseline.** Establish a secure environment from the start, with built-in governance, accountability, and comprehensive audit logs, safeguarding your operations.
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## ✨ Contributing
This project is under active development, and we encourage contributions from our community.
Many thanks to our outstanding contributors:
For 🐛 bug reports & feature requests, please use the [issue tracker](https://github.com/cloudposse/terraform-aws-guardduty/issues).
In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.
1. Review our [Code of Conduct](https://github.com/cloudposse/terraform-aws-guardduty/?tab=coc-ov-file#code-of-conduct) and [Contributor Guidelines](https://github.com/cloudposse/.github/blob/main/CONTRIBUTING.md).
2. **Fork** the repo on GitHub
3. **Clone** the project to your own machine
4. **Commit** changes to your own branch
5. **Push** your work back up to your fork
6. Submit a **Pull Request** so that we can review your changes
**NOTE:** Be sure to merge the latest changes from "upstream" before making a pull request!
### 🌎 Slack Community
Join our [Open Source Community](https://cpco.io/slack?utm_source=github&utm_medium=readme&utm_campaign=cloudposse/terraform-aws-guardduty&utm_content=slack) on Slack. It's **FREE** for everyone! Our "SweetOps" community is where you get to talk with others who share a similar vision for how to rollout and manage infrastructure. This is the best place to talk shop, ask questions, solicit feedback, and work together as a community to build totally *sweet* infrastructure.
### 📰 Newsletter
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## License
Preamble to the Apache License, Version 2.0
Complete license is available in the [`LICENSE`](LICENSE) file.
```text
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
```
## Trademarks
All other trademarks referenced herein are the property of their respective owners.
## Copyrights
Copyright © 2020-2024 [Cloud Posse, LLC](https://cloudposse.com)
