diff --git a/application/applicationextension.inc.php b/application/applicationextension.inc.php
index aeed05e8b4..8003e22667 100644
--- a/application/applicationextension.inc.php
+++ b/application/applicationextension.inc.php
@@ -1316,6 +1316,11 @@ interface iRestServiceProvider
 	public function ExecOperation($sVersion, $sVerb, $aParams);
 }
 
+interface iRestInputSanitizer
+{
+	public function SanitizeJsonInput(string $sJsonInput): string;
+}
+
 /**
  * Minimal REST response structure. Derive this structure to add response data and error codes.
  *
@@ -1405,6 +1410,14 @@ class RestResult
 	 * @api
 	 */
 	public $message;
+	
+	/**
+	 * Sanitize the content of this result to hide sensitive information
+	 */
+	public function SanitizeContent()
+	{
+		// The default implementation does nothing
+	}
 }
 
 /**
diff --git a/core/restservices.class.inc.php b/core/restservices.class.inc.php
index dbcc29e6ef..1808ee8e32 100644
--- a/core/restservices.class.inc.php
+++ b/core/restservices.class.inc.php
@@ -122,6 +122,18 @@ class ObjectResult
 	{
 		$this->fields[$sAttCode] = $this->MakeResultValue($oObject, $sAttCode, $bExtendedOutput);
 	}
+	
+	public function SanitizeContent()
+	{
+		foreach($this->fields as $sAttCode => $value)
+		{
+			$oAttDef = MetaModel::GetAttributeDef($this->class, $sAttCode);
+			if ($oAttDef instanceof AttributeEncryptedString)
+			{
+				$this->fields[$sAttCode] = '******';
+			}
+		}
+	}
 }
 
 
@@ -181,6 +193,16 @@ class RestResultWithObjects extends RestResult
 		$sObjKey = get_class($oObject).'::'.$oObject->GetKey();
 		$this->objects[$sObjKey] = $oObjRes;
 	}
+	
+	public function SanitizeContent()
+	{
+		parent::SanitizeContent();
+		
+		foreach($this->objects as $sObjKey => $oObjRes)
+		{
+			$oObjRes->SanitizeContent();
+		}
+	}
 }
 
 class RestResultWithRelations extends RestResultWithObjects
@@ -247,7 +269,7 @@ class RestDelete
  *
  * @package     Core
  */
-class CoreServices implements iRestServiceProvider
+class CoreServices implements iRestServiceProvider, iRestInputSanitizer
 {
 	/**
 	 * Enumerate services delivered by this class
@@ -663,6 +685,12 @@ class CoreServices implements iRestServiceProvider
 		}
 		return $oResult;
 	}
+	
+	public function SanitizeJsonInput(string $sJsonInput): string
+	{
+		//TODO
+		return 'TODO: sanitized input';
+	}
 
 	/**
 	 * Helper for object deletion	
diff --git a/webservices/rest.php b/webservices/rest.php
index d68c95e84b..3fb15093f6 100644
--- a/webservices/rest.php
+++ b/webservices/rest.php
@@ -209,6 +209,13 @@ try
 		/** @var iRestServiceProvider $oRS */
 		$oRS = $aOpToRestService[$sOperation]['service_provider'];
 		$sProvider = get_class($oRS);
+		
+		if ($oRS instanceof iRestInputSanitizer) {
+			$sSanitizedJsonInput = $oRS->SanitizeJsonInput($sJsonString);
+		}
+		else {
+			$sSanitizedJsonInput = $sJsonString;
+		}
 	
 		CMDBObject::SetTrackOrigin('webservice-rest');
 		$oResult = $oRS->ExecOperation($sVersion, $sOperation, $aJsonData);
@@ -267,7 +274,7 @@ if (MetaModel::GetConfig()->Get('log_rest_service'))
 	$oLog->SetTrim('userinfo', UserRights::GetUser());
 	$oLog->Set('version', $sVersion);
 	$oLog->Set('operation', $sOperation);
-	$oLog->SetTrim('json_input', $sJsonString);
+	$oLog->SetTrim('json_input', $sSanitizedJsonInput);
 
 	$oLog->Set('provider', $sProvider);
 	$sMessage = $oResult->message;
@@ -277,7 +284,8 @@ if (MetaModel::GetConfig()->Get('log_rest_service'))
 	}
 	$oLog->SetTrim('message', $sMessage);
 	$oLog->Set('code', $oResult->code);
-	$oLog->SetTrim('json_output', $sResponse);
+	$oResult->SanitizeContent();
+	$oLog->SetTrim('json_output', json_encode($oResult));
 
 	$oLog->DBInsertNoReload();
 	$oKPI->ComputeAndReport('Log inserted');