Add SECURITY.md (google#1031)

jonjohnsonjr · web-flow · commit 9b2cec94b739 · 2021-06-02T15:03:17.000-07:00
diff --git a/SECURITY.md b/SECURITY.md
@@ -0,0 +1,4 @@
+To report a security issue, please use http://g.co/vulnz. We use
+http://g.co/vulnz for our intake, and do coordination and disclosure here on
+GitHub (including using GitHub Security Advisory). The Google Security Team will
+respond within 5 working days of your report on g.co/vulnz.
