| N/A | Cisco Duo is a two-factor authentication system (2FA), acquired by Cisco in October 2018. It provides single sign-on (SSO) and endpoint visibility, as well as access controls and policy controlled adaptive authentication. | $3 per month per user |
| N/A | Yubico YubiKeys make the internet safer with phishing-resistant multi-factor authentication (MFA) by providing simple and secure access to computers, mobile devices, servers, and internet accounts. The Yubico YubiKey stops account takeovers at scale by mitigating phishing and ransomware attacks, and delivers users authentication with a simple touch or tap. | $3.94 per month per user |