--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -6364,20 +6364,22 @@
     "alert_emails": ["seceng@mozilla.org"],
     "expires_in_version": "54",
     "kind": "flag",
     "bug_numbers": [1241317],
     "releaseChannelCollection": "opt-out",
     "description": "Has FIPS mode been enabled?"
   },
   "SECURITY_UI": {
+    "alert_emails": ["seceng-telemetry@mozilla.com", "fxprivacyandsecurity@mozilla.com"],
+    "bug_numbers": [767676],
     "expires_in_version": "never",
     "kind": "enumerated",
     "n_values": 100,
-    "description": "Security UI Telemetry"
+    "description": "Security-related UI events (addons, form submission, TLS certs, Safe Browsing, updates and geolocation). See /security/manager/ssl/nsISecurityUITelemetry.idl for the specific values."
   },
   "JS_TELEMETRY_ADDON_EXCEPTIONS" : {
     "expires_in_version" : "never",
     "kind": "count",
     "keyed" : true,
     "description" : "Exceptions thrown by add-ons"
   },
   "IPC_TRANSACTION_CANCEL": {

--- a/toolkit/components/telemetry/histogram-whitelists.json
+++ b/toolkit/components/telemetry/histogram-whitelists.json
@@ -585,17 +585,16 @@
     "PWMGR_PROMPT_UPDATE_ACTION",
     "PWMGR_SAVING_ENABLED",
     "PWMGR_USERNAME_PRESENT",
     "REFRESH_DRIVER_TICK",
     "REQUESTS_OF_ORIGINAL_CONTENT",
     "SAFE_MODE_USAGE",
     "SEARCH_COUNTS",
     "SEARCH_SERVICE_INIT_MS",
-    "SECURITY_UI",
     "SERVICE_WORKER_CONTROLLED_DOCUMENTS",
     "SERVICE_WORKER_LIFE_TIME",
     "SERVICE_WORKER_REGISTRATIONS",
     "SERVICE_WORKER_REGISTRATION_LOADING",
     "SERVICE_WORKER_REQUEST_PASSTHROUGH",
     "SERVICE_WORKER_SPAWN_ATTEMPTS",
     "SERVICE_WORKER_UPDATED",
     "SERVICE_WORKER_WAS_SPAWNED",
@@ -1435,17 +1434,16 @@
     "SEARCH_SERVICE_INIT_MS",
     "SEARCH_SERVICE_INIT_SYNC",
     "SEARCH_SERVICE_NONUS_COUNTRY_MISMATCHED_PLATFORM_OSX",
     "SEARCH_SERVICE_NONUS_COUNTRY_MISMATCHED_PLATFORM_WIN",
     "SEARCH_SERVICE_US_COUNTRY_MISMATCHED_PLATFORM_OSX",
     "SEARCH_SERVICE_US_COUNTRY_MISMATCHED_PLATFORM_WIN",
     "SEARCH_SERVICE_US_COUNTRY_MISMATCHED_TIMEZONE",
     "SEARCH_SERVICE_US_TIMEZONE_MISMATCHED_COUNTRY",
-    "SECURITY_UI",
     "SERVICE_WORKER_CONTROLLED_DOCUMENTS",
     "SERVICE_WORKER_LIFE_TIME",
     "SERVICE_WORKER_REGISTRATIONS",
     "SERVICE_WORKER_REGISTRATION_LOADING",
     "SERVICE_WORKER_REQUEST_PASSTHROUGH",
     "SERVICE_WORKER_SPAWN_ATTEMPTS",
     "SERVICE_WORKER_UPDATED",
     "SERVICE_WORKER_WAS_SPAWNED",