Company Profile Data

Company Name: Horizon3.ai
Headquarters: San Francisco, California, United States
Founded In: 2019
Company Type: Privately Held, Venture-Backed Cybersecurity Company
Company Size: 501–1,000 employees (LinkedIn listing; employee count may vary)
Official Email: info@horizon3.ai (General inquiries); hr@horizon3.ai (Human Resources)
Official Website: Horizon3.ai
Official Phone: +1 650-445-4457
Industry: Cybersecurity, Artificial Intelligence, Computer and Network Security
Company Categories: AI Security, Penetration Testing, Cloud Security, Security Software
Remote Policy: Remote-First (Remote and hybrid positions are available; eligibility depends on the role and location).

About Company:
Horizon3.ai is a cybersecurity company founded in 2019 that develops autonomous security testing technology to help organizations identify and fix exploitable vulnerabilities. Its flagship product, NodeZero®, uses AI-driven autonomous penetration testing to simulate real-world cyberattacks, identify attack paths, and verify security fixes. For professionals interested in AI, cybersecurity, software engineering, and offensive security, Horizon3.ai offers opportunities to work on security challenges with real-world impact. The company supports remote and hybrid work, with arrangements depending on the position and location.

Tech Stack: Not publicly listed as a complete, officially verified list.