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Cisco Duo

Security built for identity

Empower users to stop identity-based attacks with a security-first identity and access management (IAM) solution built to protect against unauthorized access and breaches.

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Identity made secure

Enable users to defend against identity theft, which accounts for the majority of security breaches, with a solution built from the ground up with security at its core.

End-to-end phishing resistance

Easily deploy phishing-resistant authentication to guard against the number one cause of security breaches.

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Security-first IAM

Strengthen your cybersecurity with an IAM solution that ensures individuals and systems have secure, timely access to the sensitive data and applications they need.

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Unified identity intelligence

Understand who is accessing what, when, and where so you can detect threats, identify risks, and enable smarter, faster security decisions.

Discover Cisco Identity Intelligence (CII)

Cisco earns AAA rating from SE Labs in first Universal ZTNA test

Explore the SE Labs report that reveals how effectively Universal ZTNA from Cisco detects and blocks identity-based attacks.

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World-class user experience

Make the first login the only login, and verify the user and the device once.

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Customer Stories

Latest resources

Building an Identity Security Program

The majority of breaches involve identity. In this handbook, you'll find advice on the most important areas of identity security.

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Identity Security for Dummies

As threat actors increasingly target identities, read how organizations must stay ahead by implementing a comprehensive identity security program.

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Security Organizations Against Identity-Based Threats

Discover how to implement holistic solutions that enable easy access for trusted users while putting roadblocks in the path of attackers.

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2025 State of Identity Security Report

New Cisco Duo survey finds that 85% of companies are adopting security-first identity practices to counter AI-driven threats. Get findings and actionable insights from leaders and companies looking to modernize their identity security.

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Take Duo for a test drive

Stop sophisticated identity-based attacks today with a security-first IAM.

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Our team is here to help

Cisco Duo closes the gaps in your security perimeter with security built for identity.

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