diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12b6c833..2a80e35e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,7 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Third-party integrations maintenance [(#478)](https://github.com/wazuh/wazuh-indexer-plugins/pull/478) [(#540)](https://github.com/wazuh/wazuh-indexer-plugins/pull/540) [(#548)](https://github.com/wazuh/wazuh-indexer-plugins/pull/548) [(#566)](https://github.com/wazuh/wazuh-indexer-plugins/pull/566)
 - Replace and remove deprecated settings [(#476)](https://github.com/wazuh/wazuh-indexer-plugins/pull/476)
 - Migrate WCS changes from 4.x [(#488)](https://github.com/wazuh/wazuh-indexer-plugins/pull/488) [(#552)](https://github.com/wazuh/wazuh-indexer-plugins/pull/552) [(#568)](https://github.com/wazuh/wazuh-indexer-plugins/pull/568)
-- Implement checksum fields into stateful ECS mappings [(#519)](https://github.com/wazuh/wazuh-indexer-plugins/pull/519)
+- Implement checksum fields into stateful ECS mappings [(#519)](https://github.com/wazuh/wazuh-indexer-plugins/pull/519) [(#569)](https://github.com/wazuh/wazuh-indexer-plugins/pull/569)
 - FIM indices rework [(#509)](https://github.com/wazuh/wazuh-indexer-plugins/pull/509)
 - Add state.modified_at to stateful indexes [(#561)](https://github.com/wazuh/wazuh-indexer-plugins/pull/561)
 
diff --git a/ecs/states-inventory-browser-extensions/docs/fields.csv b/ecs/states-inventory-browser-extensions/docs/fields.csv
index a02a908f..534ad838 100644
--- a/ecs/states-inventory-browser-extensions/docs/fields.csv
+++ b/ecs/states-inventory-browser-extensions/docs/fields.csv
@@ -8,6 +8,7 @@ ECS_Version,Indexed,Field_Set,Field,Type,Level,Normalization,Example,Description
 8.11.0,true,browser,browser.profile.name,keyword,custom,,default,Name of the browser profile.
 8.11.0,true,browser,browser.profile.path,keyword,custom,,/home/user/.config/google-chrome/Default,Path to the browser profile.
 8.11.0,true,browser,browser.profile.referenced,boolean,custom,,True,Indicates if the extension is referenced by the Preferences file of the browser profile.
+8.11.0,true,checksum,checksum.hash.sha1,keyword,custom,,,SHA1 hash used as checksum of the data collected by the agent.
 8.11.0,true,file,file.hash.sha256,keyword,extended,,,SHA256 hash.
 8.11.0,true,package,package.autoupdate,boolean,custom,,True,Indicates if the browser extension is set to auto-update.
 8.11.0,true,package,package.build_version,keyword,extended,,36f4f7e89dd61b0988b12ee000b98966867710cd,Build version information
diff --git a/ecs/states-inventory-browser-extensions/event-generator/event_generator.py b/ecs/states-inventory-browser-extensions/event-generator/event_generator.py
index 9bd4be67..45efedac 100644
--- a/ecs/states-inventory-browser-extensions/event-generator/event_generator.py
+++ b/ecs/states-inventory-browser-extensions/event-generator/event_generator.py
@@ -40,6 +40,14 @@ def generate_random_date():
     return random_date.strftime(DATE_FORMAT)
 
 
+def generate_random_checksum():
+    return {
+        'hash': {
+            'sha1': ''.join(random.choices("ABCDEF0123456789", k=40)),
+        }
+    }
+
+
 def random_sha256():
     return ''.join(random.choices('0123456789abcdef', k=64))
 
@@ -158,6 +166,7 @@ def generate_random_data(number):
         event_data = generate_browser_extension()
         # Add agent and Wazuh data
         event_data["agent"] = generate_agent()
+        event_data["checksum"] = generate_random_checksum(),
         event_data["wazuh"] = generate_wazuh()
         event_data["state"] = {
             "modified_at": generate_random_date()
diff --git a/ecs/states-inventory-browser-extensions/fields/custom/checksum.yml b/ecs/states-inventory-browser-extensions/fields/custom/checksum.yml
new file mode 100644
index 00000000..b0b673d7
--- /dev/null
+++ b/ecs/states-inventory-browser-extensions/fields/custom/checksum.yml
@@ -0,0 +1,11 @@
+---
+- name: checksum
+  title: Checksum
+  description: >
+    Checksum custom fields
+  fields:
+    - name: hash.sha1
+      type: keyword
+      level: custom
+      description: >
+        SHA1 hash used as checksum of the data collected by the agent.
diff --git a/ecs/states-inventory-browser-extensions/fields/subset.yml b/ecs/states-inventory-browser-extensions/fields/subset.yml
index fc2e6a92..f0457e07 100644
--- a/ecs/states-inventory-browser-extensions/fields/subset.yml
+++ b/ecs/states-inventory-browser-extensions/fields/subset.yml
@@ -13,6 +13,8 @@ fields:
         fields:
           architecture: {}
           ip: {}
+  checksum:
+    fields: "*"
   browser:
     fields: "*"
   package:
diff --git a/ecs/states-inventory-services/docs/fields.csv b/ecs/states-inventory-services/docs/fields.csv
index d4d4cc10..c55980a3 100644
--- a/ecs/states-inventory-services/docs/fields.csv
+++ b/ecs/states-inventory-services/docs/fields.csv
@@ -4,6 +4,7 @@ ECS_Version,Indexed,Field_Set,Field,Type,Level,Normalization,Example,Description
 8.11.0,true,agent,agent.id,keyword,core,,8a4f500d,Unique identifier of this agent.
 8.11.0,true,agent,agent.name,keyword,core,,foo,Custom name of the agent.
 8.11.0,true,agent,agent.version,keyword,core,,6.0.0-rc2,Version of the agent.
+8.11.0,true,checksum,checksum.hash.sha1,keyword,custom,,,SHA1 hash used as checksum of the data collected by the agent.
 8.11.0,true,error,error.log.file.path,keyword,extended,,/var/log/fun-times.log,Full path to the log file this event came from.
 8.11.0,true,file,file.path,keyword,extended,,/home/alice/example.png,"Full path to the file, including the file name."
 8.11.0,true,file,file.path.text,keyword,extended,,/home/alice/example.png,"Full path to the file, including the file name."
diff --git a/ecs/states-inventory-services/event-generator/event_generator.py b/ecs/states-inventory-services/event-generator/event_generator.py
index 984212d3..2290762b 100644
--- a/ecs/states-inventory-services/event-generator/event_generator.py
+++ b/ecs/states-inventory-services/event-generator/event_generator.py
@@ -56,6 +56,14 @@ def generate_agent():
     }
 
 
+def generate_random_checksum():
+    return {
+        'hash': {
+            'sha1': ''.join(random.choices("ABCDEF0123456789", k=40)),
+        }
+    }
+
+
 def generate_file(os_type=OS.LINUX):
     if os_type == OS.LINUX:
         return {
@@ -214,6 +222,7 @@ def generate_random_data(number):
         service_data = generate_service(os_type=os_choice)
         event_data = {
             "agent": generate_agent(),
+            "checksum": generate_random_checksum(),
             "process": generate_process(os_type=os_choice, state=service_data["state"]),
             "service": service_data,
             "wazuh": generate_wazuh(),
diff --git a/ecs/states-inventory-services/fields/custom/checksum.yml b/ecs/states-inventory-services/fields/custom/checksum.yml
new file mode 100644
index 00000000..b0b673d7
--- /dev/null
+++ b/ecs/states-inventory-services/fields/custom/checksum.yml
@@ -0,0 +1,11 @@
+---
+- name: checksum
+  title: Checksum
+  description: >
+    Checksum custom fields
+  fields:
+    - name: hash.sha1
+      type: keyword
+      level: custom
+      description: >
+        SHA1 hash used as checksum of the data collected by the agent.
diff --git a/ecs/states-inventory-services/fields/subset.yml b/ecs/states-inventory-services/fields/subset.yml
index b276330b..1e14d318 100644
--- a/ecs/states-inventory-services/fields/subset.yml
+++ b/ecs/states-inventory-services/fields/subset.yml
@@ -13,6 +13,8 @@ fields:
         fields:
           architecture: {}
           ip: {}
+  checksum:
+    fields: "*"
   service:
     fields:
       id: {}
diff --git a/plugins/setup/src/main/resources/index-template-browser-extensions.json b/plugins/setup/src/main/resources/index-template-browser-extensions.json
index 3753dca4..005f79e1 100644
--- a/plugins/setup/src/main/resources/index-template-browser-extensions.json
+++ b/plugins/setup/src/main/resources/index-template-browser-extensions.json
@@ -56,6 +56,18 @@
           }
         }
       },
+      "checksum": {
+        "properties": {
+          "hash": {
+            "properties": {
+              "sha1": {
+                "ignore_above": 1024,
+                "type": "keyword"
+              }
+            }
+          }
+        }
+      },
       "file": {
         "properties": {
           "hash": {
diff --git a/plugins/setup/src/main/resources/index-template-services.json b/plugins/setup/src/main/resources/index-template-services.json
index d2872c1c..9b80c236 100644
--- a/plugins/setup/src/main/resources/index-template-services.json
+++ b/plugins/setup/src/main/resources/index-template-services.json
@@ -33,6 +33,18 @@
           }
         }
       },
+      "checksum": {
+        "properties": {
+          "hash": {
+            "properties": {
+              "sha1": {
+                "ignore_above": 1024,
+                "type": "keyword"
+              }
+            }
+          }
+        }
+      },
       "error": {
         "properties": {
           "log": {