As of October 9, 2026, TechLeads detects Duo Security on 26 websites.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "Companies Using Duo Security." Data as of October 9, 2026. https://techleads.fyi/technology/duo-securityHTML link
<a href="https://techleads.fyi/technology/duo-security">Companies using Duo Security (TechLeads data)</a>Sample results for Duo Security
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #4,139,170 | Gray Line Tours of San Francisco and Northern California | Gray Line San Francisco, #1 choice for sightseeing San Francisco tours. Choose from over 20 different tours & see the city like never before! | Gray Line San Francisco | - | - | ||
| #2 | ✅ Blog do Duo Gourmet - Restaurantes, Receitas, Entrevistas, Dicas. | 🍽 Para os amantes da gastronomia, os melhores restaurantes, entrevistas exclusivas com Chefs. Duo Gourmet, comer bem todos os dias.Seu Blog de Gastronomia. | Blog do Duo Gourmet \u2013 Restaurantes, Receitas, Entrevistas, Dicas. | - | por | ||
| #3 | Duolingo | Learn languages by playing a game. It | Duolingo | - | eng | ||
| #4 | DuoFankaar – Creative Development Agency | Ready to grow? DuoFankaar blends AI, 3D, design, and development into powerful digital solutions that move businesses forward. | DuoFankaar - Creative Development Agency | - | eng | ||
| #5 | DuoFlask | DuoFlask | DuoFlask | - | - | ||
| #6 | Funkleville | You | Funkleville | - | eng | ||
| #7 | LIMINAL – Liminal | Liminal | Liminal | - | eng | ||
| #8 | Anthos Fund & Asset Management | Werteorientierte Investition | Unsere Mission liegt in der Bereitstellung von umfassenden, werteorientierten Dienstleistungen in den Bereichen des Anlagemanagements und der Anlageberatung. | - | - | - | ||
| #9 | Les Amis du Mamco | L’Association des Amis du MAMCO proposent à ses membres des visites, des rencontres, des voyages, des cours sur l’art contemporain et d’autres avantages, visibles sur notre site. | - | - | - | ||
| #10 | BiosanaPharma | Making biologics affordable and accessible for all patients. With our innovative continuous process we are creating a unique licensing proposition for CDMOs and biopharma companies. | - | - | - | ||
| #11 | Вилла София — отель в Геленджике | Вилла София — уютный отель в Геленджике: комфортные номера, спокойная атмосфера, услуги для отдыха и удобные варианты бронирования. | - | - | - | ||
| #12 | Home - Vital Life | Na portáli VITAL LIFE nájdete kvalitné samodiagnostické testy overených značiek ako i ďalšie produkty prospešné vášmu zdraviu. | - | - | - | ||
| #13 | Grebbedijk | De Grebbedijk beschermt de 250.000 bewoners van de Gelderse Vallei tegen hoge waterstanden in de Nederrijn. Ook in de toekomst moet de dijk veiligheid bieden. Daarom wordt de dijk verbeterd. | - | - | - | ||
| #14 | MeKraken | Consulenza informatica per aziende a Padova | MeKraken è una web agency che offre servizi di consulenza informatica, assistenza informatica e centralini telefonici nella provincia di Padova. | - | - | - | ||
| #15 | Duo | Duo is the calm, Mac-first memo review app for finalized Voice Memos, trusted transcript cleanup, and follow-through. | - | - | eng | ||
| #16 | sewden.com | Shop arts and crafts supplies for DIY projects, creative hobbies, and everyday inspiration at great prices. | - | - | eng | ||
| #17 | Andres Passage | - | - | - | fra |
Complete Duo Security website dataset in CSV. One-time purchase.
Secure checkout · 7-day download accessTechnologies most frequently detected on the same websites as Duo Security.
TechLeads scans public websites and identifies Duo Security from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 9, 2026. Counts only include websites we have scanned, so they can differ from other providers.
Cisco Duo provides multi-factor authentication (MFA), single sign-on (SSO), and identity security platform for protecting user access to applications.
16 new sites in the last 12 weeks
Cisco Duo provides multi-factor authentication (MFA), single sign-on (SSO), and identity security platform for protecting user access to applications.
Our comprehensive database contains 26 websites using Duo Security, making it the most complete Duo Security sites list available. This Duo Security customer websites directory helps businesses detect websites using Duo Security and identify potential leads.
Websites using Duo Security commonly also use Modernizr, A8.net, Twitter Tweet Button, SaaS Pricing in Euros, One.com — reflecting typical Duo Security technology stacks.
Our Duo Security technology detection system scans millions of websites to identify those powered by Duo Security. This list of sites with Duo Security includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Duo Security or exploring Duo Security adoption trends, our database provides comprehensive insights.
Each entry in our Duo Security sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Duo Security and reach out to potential customers or partners.
Get instant access to the full list of sites with Duo Security in CSV format. Our dataset includes all 26 Duo Security customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Duo Security powered websites.
Sites where we first detected Duo Security, by week (UTC, weeks start Monday). Counts follow our discovery coverage, so weekly totals can vary.