Secret Double Octopus (SDO) is a cybersecurity software company founded in 2015, based in Palo Alto, California, with additional offices in Tel Aviv and Europe. The company specializes in phishing-resistant passwordless authentication solutions designed for enterprise environments. Their mission is to eliminate passwords and enhance security by providing a seamless and user-friendly authentication experience. The core technology of SDO is built on proprietary secret sharing algorithms, originally developed for protecting nuclear launch codes. Their platform employs a phone-as-a-token approach to prevent unauthorized access and identity theft. The Octopus Authentication Platform supports passwordless and multi-factor authentication across various enterprise systems, allowing organizations to replace user-managed passwords with machine-generated keys. This solution significantly reduces the risk of cyberattacks and lowers end-user support costs. Secret Double Octopus serves a diverse customer base, from small and medium-sized businesses to Fortune 50 global multinationals, processing hundreds of thousands of authentications daily. The company has been recognized as a Gartner “Cool Vendor” and has secured substantial funding to further develop its passwordless authentication and remote-access security solutions.