Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
AlienVault USM (from AT&T Cybersecurity) - AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.
LastPass Authenticator - LastPass is an online password manager and form filler that makes web browsing easier and more secure.