
Circle Systems, Inc. is a Silicon Valley venture-backed company focused on cybersecurity. Their platform, built on a patented decentralized cryptographic architecture, aims to eliminate cyber threats by securing identity and data. Circle offers solutions for credential-free authentication, digital trust, access verification, and enterprise data visibility and control. Their approach decentralizes security orchestration from the cloud to the endpoint, removing the need for user credentials to prevent data breaches and cloud attacks. The company highlights flexible implementation options, including API-based integration, and has a partner program with technology vendors and resellers.

Circle Systems, Inc. is a Silicon Valley venture-backed company focused on cybersecurity. Their platform, built on a patented decentralized cryptographic architecture, aims to eliminate cyber threats by securing identity and data. Circle offers solutions for credential-free authentication, digital trust, access verification, and enterprise data visibility and control. Their approach decentralizes security orchestration from the cloud to the endpoint, removing the need for user credentials to prevent data breaches and cloud attacks. The company highlights flexible implementation options, including API-based integration, and has a partner program with technology vendors and resellers.
Product: Circle API — REST API for identity and data security on a decentralized architecture
Key capabilities: Device-bound private keys, continuous authentication, phishing-resistant identity, end-to-end encrypted data protection
Target users: Developers, IT teams, and DevSecOps
Employee count: 6
Identity and data security for applications and enterprise environments.
2021
Cybersecurity
Public profiles indicate one seed round but date and amount are obfuscated on the profile.