diff --git a/tx-backend/src/main/java/org/eclipse/tractusx/traceability/common/model/SecurityUtils.java b/tx-backend/src/main/java/org/eclipse/tractusx/traceability/common/model/SecurityUtils.java
new file mode 100644
index 0000000000..fbd4594db8
--- /dev/null
+++ b/tx-backend/src/main/java/org/eclipse/tractusx/traceability/common/model/SecurityUtils.java
@@ -0,0 +1,40 @@
+/********************************************************************************
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+
+package org.eclipse.tractusx.traceability.common.model;
+
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SecurityUtils {
+
+    public static String sanitize(String unSanitizedInput) {
+        return unSanitizedInput.replaceAll("\r\n|\r|\n", " ");
+    }
+
+    public static List<String> sanitize(List<String> unSanitizedList) {
+        List<String> cleanListOfAffectedItems = new ArrayList<>();
+        for (String affectedItem : unSanitizedList) {
+            String cleanAffectedItem = sanitize(affectedItem);
+            cleanListOfAffectedItems.add(cleanAffectedItem);
+        }
+        return cleanListOfAffectedItems;
+    }
+}
diff --git a/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationContent.java b/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationContent.java
index bb8034c79c..9d5c2b8531 100644
--- a/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationContent.java
+++ b/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationContent.java
@@ -1,7 +1,5 @@
 /********************************************************************************
- * Copyright (c) 2022, 2023 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
- * Copyright (c) 2022, 2023 ZF Friedrichshafen AG
- * Copyright (c) 2022, 2023 Contributors to the Eclipse Foundation
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation
  *
  * See the NOTICE file(s) distributed with this work for additional
  * information regarding copyright ownership.
@@ -24,8 +22,22 @@
 
 import java.util.List;
 
+import static org.eclipse.tractusx.traceability.common.model.SecurityUtils.sanitize;
+
+
+
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public record EDCNotificationContent(
         String information,
         List<String> listOfAffectedItems) {
+
+    @Override
+    public String toString() {
+
+        return "EDCNotificationContent{" +
+                "information='" + sanitize(information) + '\'' +
+                ", listOfAffectedItems=" + sanitize(listOfAffectedItems) +
+                '}';
+    }
+
 }
diff --git a/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationHeader.java b/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationHeader.java
index 1690219d84..2b1152147d 100644
--- a/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationHeader.java
+++ b/tx-backend/src/main/java/org/eclipse/tractusx/traceability/qualitynotification/infrastructure/edc/model/EDCNotificationHeader.java
@@ -1,7 +1,5 @@
 /********************************************************************************
- * Copyright (c) 2022, 2023 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
- * Copyright (c) 2022, 2023 ZF Friedrichshafen AG
- * Copyright (c) 2022, 2023 Contributors to the Eclipse Foundation
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation
  *
  * See the NOTICE file(s) distributed with this work for additional
  * information regarding copyright ownership.
@@ -22,8 +20,29 @@
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 
+import static org.eclipse.tractusx.traceability.common.model.SecurityUtils.sanitize;
+
 @JsonInclude(JsonInclude.Include.NON_NULL)
 public record EDCNotificationHeader(String notificationId, String senderBPN, String senderAddress, String recipientBPN,
-									String classification, String severity, String relatedNotificationId,
-									String status, String targetDate, String messageId) {
+                                    String classification, String severity, String relatedNotificationId,
+                                    String status, String targetDate, String messageId) {
+
+
+    @Override
+    public String toString() {
+        return "EDCNotificationHeader{" +
+                "notificationId='" + sanitize(notificationId) + '\'' +
+                ", senderBPN='" + sanitize(senderBPN) + '\'' +
+                ", senderAddress='" + sanitize(senderAddress) + '\'' +
+                ", recipientBPN='" + sanitize(recipientBPN) + '\'' +
+                ", classification='" + sanitize(classification) + '\'' +
+                ", severity='" + sanitize(severity) + '\'' +
+                ", relatedNotificationId='" + sanitize(relatedNotificationId) + '\'' +
+                ", status='" + sanitize(status) + '\'' +
+                ", targetDate='" + sanitize(targetDate) + '\'' +
+                ", messageId='" + sanitize(messageId) + '\'' +
+                '}';
+    }
 }
+
+
diff --git a/tx-backend/src/test/java/org/eclipse/tractusx/traceability/infrastructure/edc/model/EdcNotificationModelTest.java b/tx-backend/src/test/java/org/eclipse/tractusx/traceability/infrastructure/edc/model/EdcNotificationModelTest.java
new file mode 100644
index 0000000000..cd7b8dc71a
--- /dev/null
+++ b/tx-backend/src/test/java/org/eclipse/tractusx/traceability/infrastructure/edc/model/EdcNotificationModelTest.java
@@ -0,0 +1,84 @@
+/********************************************************************************
+ * Copyright (c) 2023 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+package org.eclipse.tractusx.traceability.infrastructure.edc.model;
+
+import org.eclipse.tractusx.traceability.qualitynotification.infrastructure.edc.model.EDCNotificationContent;
+import org.eclipse.tractusx.traceability.qualitynotification.infrastructure.edc.model.EDCNotificationHeader;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+
+public class EdcNotificationModelTest {
+
+    @Test
+    public void testToStringEDCNotificationHeader() {
+
+        //GIVEN
+        EDCNotificationHeader header = new EDCNotificationHeader(
+                "12345", "SenderBPN", "Sender\nAddress", "RecipientBPN",
+                "Classification", "Severity", "Related\nNotificationId",
+                "Status", "2023-09-22", "MessageId"
+        );
+
+        String expected = "EDCNotificationHeader{" +
+                "notificationId='12345', " +
+                "senderBPN='SenderBPN', " +
+                "senderAddress='Sender Address', " +
+                "recipientBPN='RecipientBPN', " +
+                "classification='Classification', " +
+                "severity='Severity', " +
+                "relatedNotificationId='Related NotificationId', " +
+                "status='Status', " +
+                "targetDate='2023-09-22', " +
+                "messageId='MessageId'}";
+
+        //WHEN
+        String actual = header.toString();
+
+        //THEN
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testToStringEDCNotificationContent() {
+
+        //GIVEN
+        List<String> listOfAffectedItems = new ArrayList<>(Arrays.asList("Item1\nItem2", "Item3", "Item4\r\nItem5"));
+
+        EDCNotificationContent content = new EDCNotificationContent(
+                "Information\nwith\nline\nbreaks", listOfAffectedItems
+        );
+
+        String expected = "EDCNotificationContent{" +
+                "information='Information with line breaks', " +
+                "listOfAffectedItems=[Item1 Item2, Item3, Item4 Item5]" +
+                "}";
+
+        //WHEN
+        String actual = content.toString();
+
+        //THEN
+        assertEquals(expected, actual);
+    }
+}