                 
                 insertTextOperation.text = textToInsert;
             }
+            else if (op is CopyOperation)
+            {
+                if (_displayAsPassword)
+                {
+                    // For security, don't allow passwords to be copied.
+                    event.preventDefault();
+                    return;
+                }
+            }
             else if (op is PasteOperation)
             {
                 // Paste is implemented in operationEnd.  The basic idea is to allow 

            // In this case we always maintain _text with the underlying text and
            // display the appropriate number of passwordChars.  If there are any
            // interactive editing operations _text is updated during the operation.
            if (displayAsPassword)
                return;
            
            // Invalidate _text and _content.
            _text = null;
            _content = null;        
            _textFlow = _textContainerManager.getTextFlow();
                        

    import flashx.textLayout.formats.Category;
    import flashx.textLayout.formats.ITextLayoutFormat;
    import flashx.textLayout.formats.TextLayoutFormat;
    import flashx.textLayout.operations.CopyOperation;
    import flashx.textLayout.operations.CutOperation;
    import flashx.textLayout.operations.DeleteTextOperation;
    import flashx.textLayout.operations.FlowOperation;
