feat(aws): add bedrock_prompt_management_exists security check (#10878)

Author: danibarranqueroo

prowler/CHANGELOG.md

@@ -10,6 +10,7 @@ All notable changes to the **Prowler SDK** are documented in this file.
 - Universal compliance pipeline integrated into the CLI: `--list-compliance` and `--list-compliance-requirements` show universal frameworks, and CSV plus OCSF outputs are generated for any framework declaring a `TableConfig` [(#10301)](https://github.com/prowler-cloud/prowler/pull/10301)
 - ASD Essential Eight Maturity Model compliance framework for AWS (Maturity Level One, Nov 2023) [(#10808)](https://github.com/prowler-cloud/prowler/pull/10808)
 - Update Vercel checks to return personalized finding status extended depending on billing plan and classify them with billing-plan categories [(#10663)](https://github.com/prowler-cloud/prowler/pull/10663)
+- `bedrock_prompt_management_exists` check for AWS provider [(#10878)](https://github.com/prowler-cloud/prowler/pull/10878)
 
 ### 🔄 Changed
 

prowler/compliance/aws/kisa_isms_p_2023_aws.json

@@ -2897,6 +2897,7 @@
         "bedrock_guardrails_configured",
         "bedrock_model_invocation_logging_enabled",
         "bedrock_model_invocation_logs_encryption_enabled",
+        "bedrock_prompt_management_exists",
         "cloudformation_stack_outputs_find_secrets",
         "cloudfront_distributions_custom_ssl_certificate",
         "cloudfront_distributions_default_root_object",

prowler/compliance/aws/kisa_isms_p_2023_korean_aws.json

@@ -2901,6 +2901,7 @@
         "bedrock_guardrails_configured",
         "bedrock_model_invocation_logging_enabled",
         "bedrock_model_invocation_logs_encryption_enabled",
+        "bedrock_prompt_management_exists",
         "cloudformation_stack_outputs_find_secrets",
         "cloudfront_distributions_custom_ssl_certificate",
         "cloudfront_distributions_default_root_object",

prowler/providers/aws/services/bedrock/bedrock_prompt_management_exists/__init__.py

@@ -0,0 +1,39 @@
+{
+  "Provider": "aws",
+  "CheckID": "bedrock_prompt_management_exists",
+  "CheckTitle": "Amazon Bedrock Prompt Management prompts exist in the region",
+  "CheckType": [
+    "Software and Configuration Checks/AWS Security Best Practices"
+  ],
+  "ServiceName": "bedrock",
+  "SubServiceName": "",
+  "ResourceIdTemplate": "",
+  "Severity": "low",
+  "ResourceType": "Other",
+  "ResourceGroup": "ai_ml",
+  "Description": "**Bedrock Prompt Management** enables centralized creation, versioning, and governance of prompts used with foundation models.\n\nThis region-level check verifies whether at least one managed prompt exists in each scanned region, used as an adoption signal for Prompt Management. The presence of a prompt does not by itself guarantee that every application prompt is managed.",
+  "Risk": "Without **Prompt Management**, prompts are scattered across applications with no central oversight, versioning, or auditability over instructions sent to foundation models, weakening governance and compliance posture.\n\nManaged prompts are a governance enabler; **prompt injection** defenses are provided by Bedrock **guardrails**, covered by separate checks.",
+  "RelatedUrl": "",
+  "AdditionalURLs": [
+    "https://docs.aws.amazon.com/bedrock/latest/userguide/prompt-management.html",
+    "https://docs.aws.amazon.com/bedrock/latest/userguide/prompt-management-create.html"
+  ],
+  "Remediation": {
+    "Code": {
+      "CLI": "aws bedrock-agent create-prompt --name example_prompt --default-variant default --variants '[{\"name\":\"default\",\"templateType\":\"TEXT\",\"templateConfiguration\":{\"text\":{\"text\":\"Your prompt template here.\"}}}]'",
+      "NativeIaC": "",
+      "Other": "1. Open the Amazon Bedrock console\n2. Navigate to Prompt Management\n3. Click Create prompt\n4. Provide a name and configure the prompt template (a prompt can contain at most one variant; additional variants are created via CreatePromptVersion)\n5. Save the prompt",
+      "Terraform": ""
+    },
+    "Recommendation": {
+      "Text": "Adopt **Bedrock Prompt Management** to centralize prompt definitions, enforce versioning, and maintain governance over model interactions.\n\nUse managed prompts with **guardrails** and apply **least privilege** access controls to restrict who can create or modify prompts.",
+      "Url": "https://hub.prowler.com/check/bedrock_prompt_management_exists"
+    }
+  },
+  "Categories": [
+    "gen-ai"
+  ],
+  "DependsOn": [],
+  "RelatedTo": [],
+  "Notes": "Results are generated per scanned region. Regions where `ListPrompts` cannot be queried are omitted from the findings."
+}

prowler/providers/aws/services/bedrock/bedrock_prompt_management_exists/bedrock_prompt_management_exists.metadata.json

@@ -0,0 +1,54 @@
+"""Check for region-level Bedrock Prompt Management adoption."""
+
+from prowler.lib.check.models import Check, Check_Report_AWS
+from prowler.providers.aws.services.bedrock.bedrock_agent_client import (
+    bedrock_agent_client,
+)
+
+
+class bedrock_prompt_management_exists(Check):
+    """Check whether Amazon Bedrock Prompt Management prompts exist in the region.
+
+    A region is reported only when ListPrompts succeeded for it; regions where
+    the API call failed (e.g. AccessDenied, unsupported region) are skipped at
+    the service layer and produce no finding.
+
+    - PASS: At least one managed prompt exists in the region (one finding per prompt).
+    - FAIL: No managed prompts exist in the region (one finding per region).
+    """
+
+    def execute(self) -> list[Check_Report_AWS]:
+        """Execute the Bedrock Prompt Management exists check.
+
+        Returns:
+            A list of reports containing the result of the check.
+        """
+        findings = []
+        for region in sorted(bedrock_agent_client.prompt_scanned_regions):
+            regional_prompts = sorted(
+                (
+                    prompt
+                    for prompt in bedrock_agent_client.prompts.values()
+                    if prompt.region == region
+                ),
+                key=lambda prompt: prompt.name,
+            )
+
+            if regional_prompts:
+                for prompt in regional_prompts:
+                    report = Check_Report_AWS(metadata=self.metadata(), resource=prompt)
+                    report.status = "PASS"
+                    report.status_extended = f"Bedrock Prompt Management prompt {prompt.name} exists in region {region}."
+                    findings.append(report)
+            else:
+                report = Check_Report_AWS(metadata=self.metadata(), resource={})
+                report.region = region
+                report.resource_id = "prompt-management"
+                report.resource_arn = f"arn:{bedrock_agent_client.audited_partition}:bedrock:{region}:{bedrock_agent_client.audited_account}:prompt-management"
+                report.status = "FAIL"
+                report.status_extended = (
+                    f"No Bedrock Prompt Management prompts exist in region {region}."
+                )
+                findings.append(report)
+
+        return findings

prowler/providers/aws/services/bedrock/bedrock_prompt_management_exists/bedrock_prompt_management_exists.py

@@ -140,7 +140,10 @@ def __init__(self, provider):
         # Call AWSService's __init__
         super().__init__("bedrock-agent", provider)
         self.agents = {}
+        self.prompts = {}
+        self.prompt_scanned_regions: set = set()
         self.__threading_call__(self._list_agents)
+        self.__threading_call__(self._list_prompts)
         self.__threading_call__(self._list_tags_for_resource, self.agents.values())
 
     def _list_agents(self, regional_client):
@@ -167,7 +170,32 @@ def _list_agents(self, regional_client):
                 f"{regional_client.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
             )
 
+    def _list_prompts(self, regional_client):
+        """List all prompts in a region.
+
+        Prompt Management is evaluated as a region-level adoption signal, so
+        prompt collection is intentionally not filtered by audit_resources.
+        """
+        logger.info("Bedrock Agent - Listing Prompts...")
+        try:
+            paginator = regional_client.get_paginator("list_prompts")
+            for page in paginator.paginate():
+                for prompt in page.get("promptSummaries", []):
+                    prompt_arn = prompt.get("arn", "")
+                    self.prompts[prompt_arn] = Prompt(
+                        id=prompt.get("id", ""),
+                        name=prompt.get("name", ""),
+                        arn=prompt_arn,
+                        region=regional_client.region,
+                    )
+            self.prompt_scanned_regions.add(regional_client.region)
+        except Exception as error:
+            logger.error(
+                f"{regional_client.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
+            )
+
     def _list_tags_for_resource(self, resource):
+        """List tags for a Bedrock Agent resource."""
         logger.info("Bedrock Agent - Listing Tags for Resource...")
         try:
             agent_tags = (
@@ -190,3 +218,12 @@ class Agent(BaseModel):
     guardrail_id: Optional[str] = None
     region: str
     tags: Optional[list] = []
+
+
+class Prompt(BaseModel):
+    """Model representing a Bedrock Prompt Management prompt."""
+
+    id: str
+    name: str
+    arn: str
+    region: str