Cisco Duo

About Cisco Duo

Cisco Duo is an identity security service for businesses. It offers multifactor authentication, single sign on, passwordless login and device trust to protect workforce access.

Services

• Multifactor authentication
• Single sign on
• Passwordless login
• Device trust
• Identity threat detection

Reach a Person

Best route: Main phone line

1. Call +1-866-760-4247 and ask for the sales team.
2. Use the form on their contact page. Include your company name, what you need and the best time to reach you.
3. On the Cisco Duo LinkedIn page. Open People and filter by titles like Account Executive, Sales or Partnerships.

Before You Call

• Turn on two step login for email and banking first.
• Ask what they watch, and what happens when they find something.
• Keep backups that an attacker cannot reach.

Verified September 2026. Something wrong? Tell us and we will check it again.