Duo

Duo is a Cisco identity and access management service that takes a security-first approach to guarding against unauthorized access. It provides phishing-resistant authentication, passwordless access and Duo Passport, which reduces repeated logins by verifying the user and device once. Through Cisco Identity Intelligence it shows who accesses what, when and from where, to help detect threats and assess risk.

Duo is a Cisco product filed under Identity Management Software. Lifecycle: no published lifecycle.

Source: Cisco Duo - Cisco, retrieved 15 Oct 2026

• Identity Management Software