Company
Duo Security
Duo flips the script on identity with security-first IAM that attackers hate and users love.
Also known as Cisco Duo, Cisco Systems, Inc., Duo Security LLC
- Status
- Operatingas of 2026-09-21
- Business model
- B2B
- Customers
- From growing startups to established enterprises
- duo.com (opens in a new tab)
- LinkedIn (opens in a new tab)
- X (opens in a new tab)
- Careers (opens in a new tab)
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Record updated 28 September 2026
About
Cisco Duo goes beyond multi-factor-authentication (MFA), saves your team time, and easily integrates into your team’s workflow.
Funding snapshot
- Total raised
- $7MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
- Latest round
- Round, $1000K2012-08-03
Funding rounds
- Round, 2012
- $1000K2012-08-03, SEC form D sold, 1 investor
- Round, 2012
- $5M2012-02-17, SEC form D sold, 5 investors
- Round, 2010
- $1M2010-08-17, SEC form D sold, 4 investors
Products
- Web
- Duo
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