Comparison
Notakey compared with the alternatives
Where Duo or Microsoft Entra MFA is the better choice, where Notakey is, and what Notakey does not do. Vendor facts come from the vendors’ own pages, checked on the date shown.
Cisco Duo
Notakey vs Cisco Duo: phone-approval MFA compared
For IT teams choosing a second factor for VPNs, firewalls, Windows and internal applications. Duo is the product most of them evaluate first; this page says where it is the better choice and where Notakey is.
Read the comparison →Microsoft Entra multifactor authentication
Notakey vs Microsoft Entra MFA for VPN, RADIUS and on-premise logins
For organisations on Microsoft 365 wondering whether Entra ID and Microsoft Authenticator already cover the VPN, the firewall, Linux servers and Remote Desktop, or whether a separate on-premise authentication server is worth adding.
Read the comparison →Cisco Duo
A Duo alternative for MikroTik: 2FA without a RADIUS server
For MikroTik administrators who searched for Duo and found only a generic RADIUS page. This is what each option takes on RouterOS, and when the generic path is still the right one.
Read the comparison →