Email Alert When Super Admin Rights Change
Emails the network admin address whenever someone is granted or loses super admin rights, with who made the change.
Snippet Library
Multisite snippets for WordPress
Snippets for WordPress Multisite networks: network-wide settings, new site defaults, super admin tools and cross-site tweaks. For network administrators who manage many sites from one install.
Lock the List of Super Admins
Blocks anyone from being granted super admin rights unless their username is on your approved list, protecting the network if a super admin account is compromised.