diff --git a/src/static/js/domline.js b/src/static/js/domline.js
index 100ce091943..fb615f40502 100644
--- a/src/static/js/domline.js
+++ b/src/static/js/domline.js
@@ -198,7 +198,7 @@ domline.createDomLine = function(nonEmpty, doesWrap, optBrowser, optDocument)
         {
           href = "http://"+href;
         }
-        extraOpenTags = extraOpenTags + '<a href="' + Security.escapeHTMLAttribute(href) + '">';
+        extraOpenTags = extraOpenTags + '<a href="' + Security.escapeHTMLAttribute(href) + '" rel="noreferrer noopener">';
         extraCloseTags = '</a>' + extraCloseTags;
       }
       if (simpleTags)