diff --git a/content/en/security/code_security/guides/configuration.md b/content/en/security/code_security/guides/configuration.md
index 92d339973fb..cf24e9c8064 100644
--- a/content/en/security/code_security/guides/configuration.md
+++ b/content/en/security/code_security/guides/configuration.md
@@ -25,11 +25,14 @@ The configuration file must begin with a `schema-version` key, followed by top-l
 | `v1.0` | SAST |
 | `v1.1` | SAST, SCA |
 | `v1.2` | SAST, SCA, IaC Security |
+| `v1.3` | SAST, SCA, IaC Security |
+
+Use `schema-version: v1.3` for all new configurations. It supports the same products as `v1.2` and adds IaC configuration options such as per-rule path scoping, per-rule severity overrides, and platform filters. See [Infrastructure as Code (IaC) Security Configuration][3] for IaC-specific fields.
 
 The following example shows the top-level structure:
 
 ```yaml
-schema-version: v1.2
+schema-version: v1.3
 sast:
   # Static Code Analysis (SAST) configuration
 sca:
@@ -78,7 +81,7 @@ For each field in a configuration, merge behavior depends on the field type:
 
 | Field type | Merge behavior | Example fields |
 |---|---|---|
-| Lists | Concatenated, with duplicates removed | `use-rulesets`, `ignore-rulesets`, `ignore-rules`, `ignore-paths`, `only-paths` |
+| Lists | Concatenated, with duplicates removed | `use-rulesets`, `ignore-rulesets`, `ignore-rules`, `ignore-paths`, `only-paths`, `ignore-platforms`, `only-platforms` |
 | Scalar values (strings, numbers, booleans) | The value from the highest-precedence configuration is used | `use-default-rulesets`, `use-gitignore`, `max-file-size-kb`, `category` |
 | Maps | Recursively merged | `ruleset-configs`, `rule-configs`, `arguments` |
 
@@ -89,7 +92,7 @@ The following example shows how configurations are merged:
 #### Org-level
 
 ```yaml
-schema-version: v1.2
+schema-version: v1.3
 sast:
   use-default-rulesets: false
   use-rulesets:
@@ -116,7 +119,7 @@ iac:
 #### Repo-level
 
 ```yaml
-schema-version: v1.2
+schema-version: v1.3
 sast:
   use-rulesets:
     - B
@@ -145,7 +148,7 @@ iac:
 #### Merged result
 
 ```yaml
-schema-version: v1.2
+schema-version: v1.3
 sast:
   use-default-rulesets: false
   use-rulesets:
diff --git a/content/en/security/code_security/iac_security/configuration.md b/content/en/security/code_security/iac_security/configuration.md
index 2a1c7f70597..c0c5609b3b1 100644
--- a/content/en/security/code_security/iac_security/configuration.md
+++ b/content/en/security/code_security/iac_security/configuration.md
@@ -33,10 +33,12 @@ You can configure IaC Security using:
 
 The following configuration format applies to all configuration locations: org-level, repository-level, and repository-level (file).
 
-The configuration file must begin with `schema-version: v1.2`, followed by an `iac` key containing the analysis configuration. The full structure is as follows:
+The configuration file must begin with `schema-version: v1.3`, followed by an `iac` key containing the analysis configuration.
+
+The full structure is as follows:
 
 {{< code-block lang="yaml" >}}
-schema-version: v1.2
+schema-version: v1.3
 iac:
   # Do not run these rules.
   ignore-rules:
@@ -68,6 +70,22 @@ iac:
     # Report only findings in these categories.
     only-categories:
       - "Encryption"
+    # Do not run rules from these platforms.
+    ignore-platforms:
+      - Dockerfile
+    # Only run rules from these platforms.
+    only-platforms:
+      - Terraform
+      - Kubernetes
+  # Per-rule configurations.
+  rule-configs:
+    terraform-aws-s3-bucket-without-encryption:
+      ignore-paths:
+        - "test/"
+      severity: low
+    kubernetes-deployment-without-resource-limits:
+      only-paths:
+        - "k8s/production/"
 {{< /code-block >}}
 
 The `iac` key supports the following fields:
@@ -75,8 +93,9 @@ The `iac` key supports the following fields:
 | **Property** | **Type** | **Description** |
 | --- | --- | --- |
 | `ignore-rules` | Array | A list of rule IDs to ignore. |
-| `use-rules` | Array | A list of rule IDs to run. If this field is set, rules not listed are ignored. |
-| `global-config` | Object | Global settings for the repository. |
+| `use-rules` | Array | A list of rule IDs to run. If specified, _only_ these rules run. `ignore-rules` takes precedence over `use-rules`: a rule in both arrays is ignored. |
+| `global-config` | Object | Global settings for the IaC scanner. |
+| `rule-configs` | Object | Per-rule configurations. Keys are rule IDs. |
 
 ## Rule configuration
 
@@ -86,7 +105,7 @@ To modify which rules run:
 - **Disable specific rules**: List them under `ignore-rules`
 
 {{< code-block lang="yaml" >}}
-schema-version: v1.2
+schema-version: v1.3
 iac:
   ignore-rules:
     - A
@@ -94,7 +113,7 @@ iac:
 {{< /code-block >}}
 
 {{< code-block lang="yaml" >}}
-schema-version: v1.2
+schema-version: v1.3
 iac:
   use-rules:
     - A
@@ -110,10 +129,12 @@ The `global-config` object controls repository-wide settings:
 | --- | --- | --- |
 | `only-paths` | Array | File paths or glob patterns. Only matching files are analyzed. |
 | `ignore-paths` | Array | File paths or glob patterns to exclude. Matching files are not analyzed. |
-| `only-severities` | Array | Severity levels to report. Findings with other severities are ignored. |
+| `only-severities` | Array | Severity levels to report. Findings with other severities are not reported. |
 | `ignore-severities` | Array | Severity levels to ignore. |
-| `only-categories` | Array | Categories to report. Findings in other categories are ignored. |
+| `only-categories` | Array | Categories to report. Findings in other categories are not reported. |
 | `ignore-categories` | Array | Categories to ignore. |
+| `ignore-platforms` | Array | Platforms to skip. Rules from these platforms are not applied. |
+| `only-platforms` | Array | Platforms to scan. Rules from other platforms are not applied. |
 
 ### Severities
 
@@ -128,7 +149,7 @@ Use `ignore-severities` to ignore findings based on severity level. Use `only-se
 - `info`
 
 {{< code-block lang="yaml" >}}
-schema-version: v1.2
+schema-version: v1.3
 iac:
   global-config:
     ignore-severities:
@@ -141,7 +162,7 @@ iac:
 Use `ignore-paths` to exclude specific files or directories from scanning. Use `only-paths` to scan only specific files or directories. These options support glob patterns.
 
 {{< code-block lang="yaml" >}}
-schema-version: v1.2
+schema-version: v1.3
 iac:
   global-config:
     ignore-paths:
@@ -172,7 +193,7 @@ Use `ignore-categories` to ignore findings in specific categories. Use `only-cat
 - `Supply-Chain`
 
 {{< code-block lang="yaml" >}}
-schema-version: v1.2
+schema-version: v1.3
 iac:
   global-config:
     ignore-categories:
@@ -180,6 +201,75 @@ iac:
       - "Best Practices"
 {{< /code-block >}}
 
+### Platforms
+
+Use `ignore-platforms` to skip specific platforms. Use `only-platforms` to restrict scanning to specific platforms.
+
+**Possible values:**
+
+- `Ansible`
+- `CICD`
+- `CloudFormation`
+- `Dockerfile`
+- `Kubernetes`
+- `Terraform`
+
+{{< code-block lang="yaml" >}}
+schema-version: v1.3
+iac:
+  global-config:
+    only-platforms:
+      - Terraform
+      - Kubernetes
+{{< /code-block >}}
+
+## Per-rule configuration
+
+Use `rule-configs` to configure individual rules.
+
+Each key under `rule-configs` is a rule ID. The following properties are supported per rule:
+
+| **Property** | **Type** | **Description** |
+| --- | --- | --- |
+| `only-paths` | Array | File paths or glob patterns. The rule is applied only to files matching these patterns. |
+| `ignore-paths` | Array | File paths or glob patterns to exclude. The rule is not applied to files matching these patterns. |
+| `severity` | String | Overrides the severity of findings generated by this rule. Accepted values: `critical`, `high`, `medium`, `low`, `info`. |
+
+### Per-rule path scoping
+
+Exclude a rule from certain paths, or restrict it to specific paths:
+
+{{< code-block lang="yaml" >}}
+schema-version: v1.3
+iac:
+  rule-configs:
+    terraform-aws-s3-bucket-without-encryption:
+      # Do not apply this rule in test directories.
+      ignore-paths:
+        - "test/"
+        - "**/testdata/"
+    kubernetes-deployment-without-resource-limits:
+      # Apply this rule only in production manifests.
+      only-paths:
+        - "k8s/production/"
+{{< /code-block >}}
+
+Path patterns support glob syntax (`*`, `**`, `?`). Paths are relative to the repository root.
+
+### Per-rule severity override
+
+Change the severity of findings generated by a specific rule:
+
+{{< code-block lang="yaml" >}}
+schema-version: v1.3
+iac:
+  rule-configs:
+    terraform-aws-s3-bucket-without-encryption:
+      severity: low
+{{< /code-block >}}
+
+This severity applies to all findings generated by that rule.
+
 ## Legacy configuration
 
 IaC Security previously used a different configuration file (`dd-iac-scan.config`) and schema. This schema is deprecated and does not receive new updates, but it is [documented][2] in the `datadog-iac-scanner` repository.