diff --git a/src/piracyshield_data_storage/account/storage.py b/src/piracyshield_data_storage/account/storage.py
index b2ab36a..f9f86b5 100644
--- a/src/piracyshield_data_storage/account/storage.py
+++ b/src/piracyshield_data_storage/account/storage.py
@@ -86,6 +86,33 @@ class AccountStorage(DatabaseArangodbDocument):
         except:
             raise AccountStorageGetException()
 
+    def get_active(self) -> Cursor | Exception:
+        aql = f"""
+            FOR document IN {self.collection_name}
+
+            FILTER document.is_active == true
+
+            RETURN {{
+                'account_id': document.account_id,
+                'name': document.name,
+                'email': document.email,
+                'role': document.role
+            }}
+        """
+
+        try:
+            return self.query(aql)
+
+        except:
+            raise AccountStorageGetException()
+
+    def get_total(self) -> int | Exception:
+        try:
+            return self.collection_instance.count()
+
+        except:
+            raise AccountStorageGetException()
+
     def exists_by_identifier(self, identifier: str) -> Cursor | Exception:
         """
         Checks if an account with this identifier is in the collection.
diff --git a/src/piracyshield_data_storage/blob/drivers/azure.py b/src/piracyshield_data_storage/blob/drivers/azure.py
index d2623ac..cd56e14 100644
--- a/src/piracyshield_data_storage/blob/drivers/azure.py
+++ b/src/piracyshield_data_storage/blob/drivers/azure.py
@@ -31,7 +31,7 @@ class AzureBlobStorage(BlobStorageDriver):
     def create_container(self):
         """
         Creates the container.
-        Currently used to mock a blob storage.
+        Currently used to create a mock blob storage.
         """
 
         return self.container_client.create_container()
@@ -79,7 +79,10 @@ class AzureBlobStorage(BlobStorageDriver):
 
             return True
 
-        except (ResourceNotFoundError, ResourceExistsError, AzureError):
+        except ResourceExistsError:
+            raise AzureBlobStorageAlreadyExistsException()
+
+        except (ResourceNotFoundError, AzureError):
             raise AzureBlobStorageUploadException()
 
     def get_list(self):
@@ -107,6 +110,14 @@ class AzureBlobStorage(BlobStorageDriver):
         except (ResourceNotFoundError, AzureError):
             raise AzureBlobStorageRemoveException()
 
+class AzureBlobStorageAlreadyExistsException(Exception):
+
+    """
+    The blob already exists.
+    """
+
+    pass
+
 class AzureBlobStorageUploadException(Exception):
 
     """
diff --git a/src/piracyshield_data_storage/blob/storage.py b/src/piracyshield_data_storage/blob/storage.py
index 6a30b33..d45ba91 100644
--- a/src/piracyshield_data_storage/blob/storage.py
+++ b/src/piracyshield_data_storage/blob/storage.py
@@ -12,19 +12,7 @@ class BlobStorage:
         self.driver = driver
 
     def upload(self, blob_name: str, file_path: str):
-        try:
-            return self.driver.upload(
-                blob_name = blob_name,
-                file_path = file_path
-            )
-
-        except:
-            raise BlobStorageUploadException()
-
-class BlobStorageUploadException(Exception):
-
-    """
-    Cannot upload the file.
-    """
-
-    pass
+        return self.driver.upload(
+            blob_name = blob_name,
+            file_path = file_path
+        )
diff --git a/src/piracyshield_data_storage/database/arangodb/document.py b/src/piracyshield_data_storage/database/arangodb/document.py
index 602b4ef..37c33fa 100644
--- a/src/piracyshield_data_storage/database/arangodb/document.py
+++ b/src/piracyshield_data_storage/database/arangodb/document.py
@@ -4,6 +4,8 @@ from arango.exceptions import AQLQueryExecuteError
 
 class DatabaseArangodbDocument(DatabaseArangodbConnection):
 
+    max_batch_size = 50000
+
     def collection(self, collection):
         try:
             return self.instance.collection(collection)
@@ -13,7 +15,7 @@ class DatabaseArangodbDocument(DatabaseArangodbConnection):
 
     def query(self, aql, **kwargs):
         try:
-            return self.instance.aql.execute(aql, **kwargs)
+            return self.instance.aql.execute(aql, batch_size = self.max_batch_size, **kwargs)
 
         except AQLQueryExecuteError:
             raise DatabaseArangodbQueryException()
diff --git a/src/piracyshield_data_storage/dda/storage.py b/src/piracyshield_data_storage/dda/storage.py
index 8b28001..f4f653e 100644
--- a/src/piracyshield_data_storage/dda/storage.py
+++ b/src/piracyshield_data_storage/dda/storage.py
@@ -27,6 +27,75 @@ class DDAStorage(DatabaseArangodbDocument):
         except:
             raise DDAStorageCreateException()
 
+    def get_by_identifier(self, dda_id: str) -> Cursor | Exception:
+        """
+        Fetches a single DDA instance by its identifier.
+
+        :param dda_id: a valid DDA identifier.
+        :return: cursor with the requested data.
+        """
+
+        aql = f"""
+            FOR document IN {self.collection_name}
+
+            FILTER
+                document.dda_id == @dda_id
+
+            RETURN {{
+                'dda_id': document.dda_id,
+                'description': document.description,
+                'instance': document.instance,
+                'is_active': document.is_active,
+                'metadata': {{
+                    'created_at': document.metadata.created_at
+                }}
+            }}
+        """
+
+        try:
+            return self.query(aql, bind_vars = {
+                'dda_id': dda_id
+            })
+
+        except:
+            raise DDAStorageGetException()
+
+    def get_by_identifier_for_reporter(self, dda_id: str, reporter_id: str) -> Cursor | Exception:
+        """
+        Fetches a single DDA instance by its identifier for reporter.
+
+        :param dda_id: a valid DDA identifier.
+        :param account_id: a valid reporter identifier.
+        :return: cursor with the requested data.
+        """
+
+        aql = f"""
+            FOR document IN {self.collection_name}
+
+            FILTER
+                document.dda_id == @dda_id AND
+                document.account_id == @reporter_id
+
+            RETURN {{
+                'dda_id': document.dda_id,
+                'description': document.description,
+                'instance': document.instance,
+                'is_active': document.is_active,
+                'metadata': {{
+                    'created_at': document.metadata.created_at
+                }}
+            }}
+        """
+
+        try:
+            return self.query(aql, bind_vars = {
+                'dda_id': dda_id,
+                'reporter_id': reporter_id
+            })
+
+        except:
+            raise DDAStorageGetException()
+
     def get_global(self) -> Cursor | Exception:
         """
         Fetches all the DDA instances.
diff --git a/src/piracyshield_data_storage/forensic/storage.py b/src/piracyshield_data_storage/forensic/storage.py
index 19475d2..81d2936 100644
--- a/src/piracyshield_data_storage/forensic/storage.py
+++ b/src/piracyshield_data_storage/forensic/storage.py
@@ -52,9 +52,7 @@ class ForensicStorage(DatabaseArangodbDocument):
 
             FILTER document.hash_string == @hash_string
 
-            COLLECT WITH COUNT INTO length
-
-            RETURN length
+            RETURN document
         """
 
         try:
diff --git a/src/piracyshield_data_storage/ticket/item/storage.py b/src/piracyshield_data_storage/ticket/item/storage.py
index e4ecd5c..8f9079e 100644
--- a/src/piracyshield_data_storage/ticket/item/storage.py
+++ b/src/piracyshield_data_storage/ticket/item/storage.py
@@ -29,6 +29,20 @@ class TicketItemStorage(DatabaseArangodbDocument):
         except:
             raise TicketItemStorageCreateException()
 
+    def insert_many(self, documents: list) -> dict | Exception:
+        """
+        Adds a batch of new ticket items.
+
+        :param documents: a list of dictionary ticket items.
+        :return: cursor with the inserted data.
+        """
+
+        try:
+            return self.collection_instance.insert_many(documents)
+
+        except:
+            raise TicketItemStorageCreateException()
+
     def get_all_items_with_genre(self, genre: str) -> Cursor:
         """
         Gets all ticket items. Values only.
@@ -76,7 +90,7 @@ class TicketItemStorage(DatabaseArangodbDocument):
             FOR parent_ticket IN {self.ticket_collection_name}
                 FILTER
                     parent_ticket.ticket_id == document.ticket_id AND
-                    parent_ticket.status.ticket != 'created'
+                    (parent_ticket.status == 'open' OR parent_ticket.status == 'closed')
 
             RETURN DISTINCT document.value
         """
@@ -179,7 +193,7 @@ class TicketItemStorage(DatabaseArangodbDocument):
             FOR parent_ticket IN {self.ticket_collection_name}
                 FILTER
                     parent_ticket.ticket_id == document.ticket_id AND
-                    parent_ticket.status.ticket != 'created'
+                    (parent_ticket.status == 'open' OR parent_ticket.status == 'closed')
 
             RETURN DISTINCT document.value
         """
@@ -404,7 +418,13 @@ class TicketItemStorage(DatabaseArangodbDocument):
                 document.is_whitelisted == false AND
                 document.is_error == false
 
-            RETURN {{
+            // ensure only available tickets are considered
+            FOR parent_ticket IN {self.ticket_collection_name}
+                FILTER
+                    parent_ticket.ticket_id == document.ticket_id AND
+                    (parent_ticket.status == 'open' OR parent_ticket.status == 'closed')
+
+            RETURN DISTINCT {{
                 'value': document.value,
                 'status': document.status,
                 'timestamp': document.timestamp,
@@ -510,6 +530,37 @@ class TicketItemStorage(DatabaseArangodbDocument):
         except:
             raise TicketItemStorageGetException()
 
+    def get_active(self) -> Cursor | Exception:
+        """
+        Get all the ticket items without any unblocked items, grouped by genre.
+
+        :return: cursor with the requested data.
+        """
+
+        aql = f"""
+            LET result = (
+                FOR document IN {self.collection_name}
+
+                // filter out ticket items removed by reported errors
+                FILTER document.is_error == false
+
+                COLLECT genre = document.genre INTO groupedDocuments
+
+                RETURN {{
+                    'genre': genre,
+                    'values': UNIQUE(groupedDocuments[*].document.value)
+                }}
+            )
+
+            RETURN MERGE(FOR r IN result RETURN {{[r.genre]: r.values}})
+        """
+
+        try:
+            return self.query(aql)
+
+        except:
+            raise TicketItemStorageGetException()
+
     def exists_by_value(self, genre: str, value: str) -> Cursor | Exception:
         """
         Searches for a duplicate.
@@ -582,7 +633,7 @@ class TicketItemStorage(DatabaseArangodbDocument):
             FOR parent_ticket IN {self.ticket_collection_name}
                 FILTER
                     parent_ticket.ticket_id == document.ticket_id AND
-                    parent_ticket.status.ticket != 'created'
+                    (parent_ticket.status == 'open' OR parent_ticket.status == 'closed')
 
             UPDATE document WITH {{
                 status: @status,
diff --git a/src/piracyshield_data_storage/ticket/storage.py b/src/piracyshield_data_storage/ticket/storage.py
index c5998f5..3e6a5c1 100644
--- a/src/piracyshield_data_storage/ticket/storage.py
+++ b/src/piracyshield_data_storage/ticket/storage.py
@@ -63,6 +63,7 @@ class TicketStorage(DatabaseArangodbDocument):
 
             RETURN {{
                 'ticket_id': document.ticket_id,
+                'dda_id': document.dda_id,
                 'description': document.description,
                 'fqdn': document.fqdn,
                 'ipv4': document.ipv4,
@@ -131,6 +132,7 @@ class TicketStorage(DatabaseArangodbDocument):
 
             RETURN {{
                 'ticket_id': document.ticket_id,
+                'dda_id': document.dda_id,
                 'description': document.description,
                 'fqdn': document.fqdn,
                 'ipv4': document.ipv4,
@@ -141,7 +143,8 @@ class TicketStorage(DatabaseArangodbDocument):
                 }},
                 'settings': {{
                     'revoke_time': document.settings.revoke_time,
-                    'autoclose_time': document.settings.autoclose_time
+                    'autoclose_time': document.settings.autoclose_time,
+                    'report_error_time': document.settings.report_error_time
                 }}
             }}
         """
@@ -168,7 +171,7 @@ class TicketStorage(DatabaseArangodbDocument):
 
             FILTER
                 document.ticket_id == @ticket_id AND
-                document.status != 'created' AND
+                (document.status == 'open' OR document.status == 'closed') AND
                 POSITION(document.assigned_to, @account_id) == true
 
             LET ticket_items = (
@@ -197,7 +200,6 @@ class TicketStorage(DatabaseArangodbDocument):
 
             RETURN {{
                 'ticket_id': document.ticket_id,
-                'description': document.description,
                 'fqdn': fqdn_items[0] or [],
                 'ipv4': ipv4_items[0] or [],
                 'ipv6': ipv6_items[0] or [],
@@ -234,6 +236,8 @@ class TicketStorage(DatabaseArangodbDocument):
                 RETURN a['name']
             )[0]
 
+            SORT document.metadata.created_at DESC
+
             RETURN {{
                 'ticket_id': document.ticket_id,
                 'description': document.description,
@@ -272,6 +276,8 @@ class TicketStorage(DatabaseArangodbDocument):
 
             FILTER document.metadata.created_by == @account_id
 
+            SORT document.metadata.created_at DESC
+
             RETURN {{
                 'ticket_id': document.ticket_id,
                 'description': document.description,
@@ -307,7 +313,7 @@ class TicketStorage(DatabaseArangodbDocument):
             FOR document IN {self.collection_name}
 
             FILTER
-                document.status != 'created' AND
+                (document.status == 'open' OR document.status == 'closed') AND
                 POSITION(document.assigned_to, @account_id) == true
 
             LET ticket_items = (
@@ -334,9 +340,10 @@ class TicketStorage(DatabaseArangodbDocument):
             LET ipv4_items = (FOR item IN ticket_items FILTER item.genre == 'ipv4' RETURN item.items)
             LET ipv6_items = (FOR item IN ticket_items FILTER item.genre == 'ipv6' RETURN item.items)
 
+            SORT document.metadata.created_at DESC
+
             RETURN {{
                 'ticket_id': document.ticket_id,
-                'description': document.description,
                 'fqdn': fqdn_items[0] or [],
                 'ipv4': ipv4_items[0] or [],
                 'ipv6': ipv6_items[0] or [],
@@ -394,12 +401,12 @@ class TicketStorage(DatabaseArangodbDocument):
         except:
             raise TicketStorageGetException()
 
-    def update_task_list(self, ticket_id: str, task_id: str) -> Cursor | Exception:
+    def update_task_list(self, ticket_id: str, task_ids: list, updated_at: str) -> Cursor | Exception:
         """
         Appends a new task.
 
         :param ticket_id: ticket identifier.
-        :param task_id: task identifier.
+        :param task_ids: a list of tasks identifiers.
         :return: list of updated rows.
         """
 
@@ -407,7 +414,12 @@ class TicketStorage(DatabaseArangodbDocument):
             FOR document IN {self.collection_name}
             FILTER document.ticket_id == @ticket_id
 
-            UPDATE document WITH {{ "tasks": PUSH(document.tasks, @task_id) }} IN {self.collection_name}
+            UPDATE document WITH {{
+                "tasks": APPEND(document.tasks, @task_ids, true),
+                "metadata": {{
+                    "updated_at": @updated_at
+                }}
+            }} IN {self.collection_name}
 
             RETURN NEW
         """
@@ -417,7 +429,8 @@ class TicketStorage(DatabaseArangodbDocument):
                 aql,
                 bind_vars = {
                     'ticket_id': ticket_id,
-                    'task_id': task_id
+                    'task_ids': task_ids,
+                    'updated_at': updated_at
                 },
                 count = True
             )
diff --git a/src/piracyshield_data_storage/whitelist/storage.py b/src/piracyshield_data_storage/whitelist/storage.py
index 19fe7e5..50bd652 100644
--- a/src/piracyshield_data_storage/whitelist/storage.py
+++ b/src/piracyshield_data_storage/whitelist/storage.py
@@ -98,6 +98,33 @@ class WhitelistStorage(DatabaseArangodbDocument):
         except:
             raise WhitelistStorageGetException()
 
+    def get_active(self) -> Cursor | Exception:
+        """
+        Fetches the active whitelist items.
+
+        :return: cursor with the requested data.
+        """
+
+        aql = f"""
+            LET result = (
+                FOR document IN {self.collection_name}
+                    FILTER document.is_active == true
+                    COLLECT genre = document.genre INTO groupedDocuments
+                    RETURN {{
+                        'genre': genre,
+                        'values': groupedDocuments[*].document.value
+                    }}
+            )
+
+            RETURN MERGE(FOR r IN result RETURN {{[r.genre]: r.values}})
+        """
+
+        try:
+            return self.query(aql)
+
+        except:
+            raise WhitelistStorageGetException()
+
     def exists_by_value(self, value: str) -> Cursor | Exception:
         """
         Searches for an item.
@@ -109,7 +136,8 @@ class WhitelistStorage(DatabaseArangodbDocument):
         aql = f"""
             FOR document IN {self.collection_name}
 
-            FILTER document.value == @value
+            FILTER
+                document.value == @value
 
             RETURN document
         """