This version of GitHub Enterprise was discontinued on 2022-02-16. No patch releases will be made, even for critical security issues. For better performance, improved security, and new features, upgrade to the latest version of GitHub Enterprise. For help with the upgrade, contact GitHub Enterprise support.
Managing GitHub Advanced Security for your enterprise
GitHub Advanced Security is available for enterprise accounts on GitHub Enterprise Cloud and GitHub Enterprise Server 3.0 or higher. For more information about upgrading your GitHub Enterprise Server instance, see "About upgrades to new releases" and refer to the Upgrade assistant to find the upgrade path from your current release version.