diff --git a/framework/core/locale/core.yml b/framework/core/locale/core.yml
index 14cf8c3ad1d..5611543cda5 100644
--- a/framework/core/locale/core.yml
+++ b/framework/core/locale/core.yml
@@ -1,10 +1,12 @@
 core:
+
   ##
   # UNIQUE KEYS - The following keys are used in only one location each.
   ##
 
   # Translations in this namespace are used by the admin interface.
   admin:
+
     # These translations are used in the Appearance page.
     appearance:
       colored_header_label: Colored Header
@@ -199,6 +201,7 @@ core:
     permissions:
       allow_post_editing_label: Allow post editing
       allow_renaming_label: Allow renaming
+      create_access_token_label: Create access token
       create_heading: Create
       delete_discussions_forever_label: Delete discussions forever
       delete_discussions_label: Delete discussions
@@ -211,6 +214,7 @@ core:
       edit_users_groups_label: Edit user groups
       global_heading: Global
       moderate_heading: Moderate
+      moderate_access_tokens_label: Moderate Access Tokens
       new_group_button: New Group
       participate_heading: Participate
       post_without_throttle_label: Reply multiple times without waiting
@@ -249,7 +253,6 @@ core:
 
     # These translations are used for the users list on the admin dashboard.
     users:
-      create_user_button: Create new user
       description: A paginated list of all users on your forum.
 
       grid:
@@ -297,6 +300,7 @@ core:
 
   # Translations in this namespace are used by the forum user interface.
   forum:
+
     # These translations are used in the Change Email modal dialog.
     change_email:
       confirm_password_placeholder: => core.ref.confirm_password
@@ -476,6 +480,40 @@ core:
       discussions_heading: => core.ref.discussions
       users_heading: => core.ref.users
 
+    # These translations are used in the Security page.
+    security:
+      browser_on_operating_system: "{browser} on {os}"
+      cannot_terminate_current_session: Cannot terminate the current active session. Log out instead.
+      created: Created
+      current_active_session: Current Active Session
+      developer_tokens_heading: Developer Tokens
+      empty_text: It looks like there is nothing to see here.
+      global_logout:
+        heading: Global Logout
+        help_text: "Clears current cookie session, terminates all sessions, revokes developer tokens, and invalidates any email confirmation or password reset emails."
+        log_out_button: => core.ref.log_out
+      hide_access_token: Hide Token
+      last_activity: Last activity
+      never: Never
+      new_access_token_button: => core.ref.new_token
+      new_access_token_modal:
+        submit_button: Create Token
+        title: => core.ref.new_token
+        title_placeholder: Title
+      revoke_access_token: Revoke
+      revoke_access_token_confirmation: => core.ref.generic_confirmation_message
+      sessions_heading: Active Sessions
+      session_terminated: "{count, plural, one {Session terminated} other {# Sessions terminated}}."
+      session_termination_failed: "An error occurred while terminating your sessions."
+      show_access_token: View Token
+      terminate_all_other_sessions: Terminate all other sessions
+      terminate_all_other_sessions_confirmation: => core.ref.generic_confirmation_message
+      terminate_session: Terminate
+      title: => core.ref.security
+      token_revoked: Token revoked.
+      token_item_title: "{title} - {token}"
+      token_title_placeholder: "/"
+
     # These translations are used in the Settings page.
     settings:
       account_heading: Account
@@ -513,6 +551,7 @@ core:
       posts_empty_text: It looks like there are no posts here.
       posts_link: => core.ref.posts
       posts_load_more_button: => core.ref.load_more
+      security_link: => core.ref.security
       settings_link: => core.ref.settings
 
     # These translations are found on the user profile page (admin function).
@@ -550,6 +589,10 @@ core:
     dropdown:
       toggle_dropdown_accessible_label: Toggle dropdown menu
 
+    # These translations are used in the data segment component.
+    data_segment:
+      label: "{label}:"
+
     # These translations are used in the Edit User modal dialog (admin function).
     edit_user:
       activate_button: Activate User
@@ -679,6 +722,7 @@ core:
 
   # Translations in this namespace are used in emails sent by the forum.
   email:
+
     # These translations are used in emails sent when users register new accounts.
     activate_account:
       subject: Activate Your New Account
@@ -739,7 +783,7 @@ core:
     all_discussions: All Discussions
     change_email: Change Email
     change_password: Change Password
-    color: Color # Referenced by flarum-tags.yml
+    color: Color                                 # Referenced by flarum-tags.yml
     confirm_password: Confirm Password
     confirm_email: Confirm Email
     confirmation_email_sent: "We've sent a confirmation email to {email}. If it doesn't arrive soon, check your spam folder."
@@ -749,11 +793,12 @@ core:
     custom_header_title: Edit Custom Header
     delete: Delete
     delete_forever: Delete Forever
-    discussions: Discussions # Referenced by flarum-statistics.yml
+    discussions: Discussions                     # Referenced by flarum-statistics.yml
     edit: Edit
     edit_user: Edit User
     email: Email
     extensions: Extensions
+    generic_confirmation_message: "Are you sure you want to proceed? This action cannot be undone."
     icon: Icon
     icon_text: "Enter the name of any <a>FontAwesome</a> icon class, <em>including</em> the <code>fas fa-</code> prefix."
     load_more: Load More
@@ -761,28 +806,30 @@ core:
     log_in: Log In
     log_out: Log Out
     mark_all_as_read: Mark All as Read
+    new_token: New Token
     next_page: Next Page
     notifications: Notifications
-    okay: OK # Referenced by flarum-tags.yml
+    okay: OK                                     # Referenced by flarum-tags.yml
     password: Password
-    posts: Posts # Referenced by flarum-statistics.yml
+    posts: Posts                                 # Referenced by flarum-statistics.yml
     previous_page: Previous Page
     remove: Remove
     rename: Rename
-    reply: Reply # Referenced by flarum-mentions.yml
+    reply: Reply                                 # Referenced by flarum-mentions.yml
     reset_your_password: Reset Your Password
     restore: Restore
     save_changes: Save Changes
-    search_users: Search users # Referenced by flarum-suspend.yml, flarum-tags.yml
+    search_users: Search users              # Referenced by flarum-suspend.yml, flarum-tags.yml
+    security: Security
     settings: Settings
     sign_up: Sign Up
-    some_others: "{count, plural, one {# other} other {# others}}" # Referenced by flarum-likes.yml, flarum-mentions.yml
+    some_others: "{count, plural, one {# other} other {# others}}"  # Referenced by flarum-likes.yml, flarum-mentions.yml
     start_a_discussion: Start a Discussion
     username: Username
-    users: Users # Referenced by flarum-statistics.yml
+    users: Users                                 # Referenced by flarum-statistics.yml
     view: View
     write_a_reply: Write a Reply...
-    you: You # Referenced by flarum-likes.yml, flarum-mentions.yml
+    you: You                                     # Referenced by flarum-likes.yml, flarum-mentions.yml
 
   ##
   # GROUP NAMES - These keys are translated at the back end.