diff --git a/modules/ui/view_on_keepRight.js b/modules/ui/view_on_keepRight.js
index 1a33b7d9a..d8595b853 100644
--- a/modules/ui/view_on_keepRight.js
+++ b/modules/ui/view_on_keepRight.js
@@ -24,7 +24,8 @@ export function uiViewOnKeepRight() {
       .append('a')
         .attr('class', 'view-on-keepRight')
         .attr('target', '_blank')
-        .attr('href', function(d) { return d; })
+        .attr('rel', 'noopener') // security measure
+        .attr('href', d => d)
         .call(svgIcon('#iD-icon-out-link', 'inline'));
 
     linkEnter
diff --git a/modules/ui/view_on_osmose.js b/modules/ui/view_on_osmose.js
index 578d7d7a6..a487937f8 100644
--- a/modules/ui/view_on_osmose.js
+++ b/modules/ui/view_on_osmose.js
@@ -24,6 +24,7 @@ export function uiViewOnOsmose() {
       .append('a')
         .attr('class', 'view-on-osmose')
         .attr('target', '_blank')
+        .attr('rel', 'noopener') // security measure
         .attr('href', d => d)
         .call(svgIcon('#iD-icon-out-link', 'inline'));