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Horizon3.ai is a cybersecurity company that empowers organizations to continuously find, fix, and verify exploitable attack paths before attackers do. Their flagship platform, NodeZero™, is an autonomous penetration testing solution that conducts self-directed attacks to identify weaknesses across an enterprise's attack surface, including cloud, on-prem, and IoT/OT environments. By providing actionable fix actions and verifying their effectiveness, Horizon3.ai helps security teams proactively reduce risk and improve their security posture.
Serves as the central hub for operations, research and development, sales, marketing, and executive leadership for Horizon3.ai's global activities.
Located in The Domain, a prominent mixed-use development known for its modern office spaces and amenities. Specific internal features are not publicly detailed.
As a remote-first company with an Austin HQ, Horizon3.ai likely fosters a dynamic, innovative, and collaborative environment focused on cutting-edge cybersecurity. Emphasis is placed on proactive security, continuous learning, and empowering defenders.
Strategically located in Austin, leveraging the city's rich talent pool in tech and cybersecurity, and providing a central point for its North American operations and global strategy, while supporting a distributed workforce.
While headquartered in Austin, Texas, Horizon3.ai operates as a remote-first company, allowing it to tap into talent globally. Their NodeZero platform serves customers worldwide, providing autonomous penetration testing solutions to organizations across various regions and industries. Support, sales, engineering, and operations are distributed to cater to a global client base and leverage diverse expertise.
11501 Century Oaks Terrace, Suite 100
Austin
Texas
USA
No additional office locations available.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, Horizon3.ai' leadership includes:
Horizon3.ai has been backed by several prominent investors over the years, including:
Over the last 12 months, Horizon3.ai has focused on scaling its operations and team, especially following its Series C funding. No major C-level or VP-level operational executive hires or departures have been prominently announced in public news releases during this period. The company continues to build out its teams to support its growth trajectory.
Discover the tools Horizon3.ai uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Horizon3.ai commonly uses the [first].[last]@[companydomain.com] (e.g. jane.doe@horizon3.ai) email format. Other variations like [first_initial][last]@horizon3.ai (e.g. jdoe@horizon3.ai) might also be in use, though the former appears more prevalent based on public data.
first.last@horizon3.ai
Format
jane.doe@horizon3.ai
Example
85%
Success rate
PR Newswire • November 14, 2023
Horizon3.ai announced it has closed a $40 million Series C funding round led by NGP Capital, with participation from existing investors SignalFire, General Catalyst, and DataTribe. The funding will be used to accelerate product development and expand go-to-market strategies for its autonomous penetration testing platform, NodeZero....more
Dark Reading • February 6, 2024
Horizon3.ai announced an integration between its NodeZero autonomous penetration testing platform and Wiz's cloud security platform. The partnership aims to help organizations validate and prioritize cloud security risks by correlating external attack path findings from NodeZero with Wiz's cloud misconfiguration data....more
Horizon3.ai Newsroom • April 23, 2024
Horizon3.ai announced a strategic partnership with GuidePoint Security, a leading cybersecurity solutions provider. This collaboration will make Horizon3.ai's NodeZero autonomous pentesting platform available to GuidePoint Security's extensive customer base, enhancing their ability to proactively identify and remediate security vulnerabilities....more
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