Guardian360 vs Horizon3.ai
A US vendor whose NodeZero platform runs autonomous, AI-driven penetration testing in a find-fix-verify loop.
What Horizon3.ai is good at
Horizon3.ai (NodeZero) runs continuous autonomous penetration testing, validating exposure to emerging threats and verifying fixes. It is a strong choice for teams that want offensive validation.
Side by side
How they compare
| Guardian360 | Horizon3.ai | |
|---|---|---|
| Origin & data residency | Netherlands, EU-only | USA; global hosting |
| Delivery model | Partner-only | Direct + partner |
| Deployment | Agentless (optional agent 2026) | Autonomous pentest; SaaS + on-prem node |
| Compliance coverage | 25+ frameworks, continuously mapped | Pentest evidence; limited mapping |
| Intrusion detection | Built-in honeypots | No |
| Microsoft 365 insight | Included | No |
| Container & cloud scanning | Planned for 2026 | Cloud / AD attack-path testing |
| Data sovereignty (EU-only) | Yes | No |
Based on publicly available information at the time of writing. Vendors evolve quickly — always verify the latest details with each provider.
When Horizon3.ai may fit better
Teams that want continuous autonomous penetration testing and attack-path validation.
When Guardian360 fits better
Organisations that want continuous scanning, compliance mapping, honeypot detection and Microsoft 365 insight, EU-resident and partner-delivered.
Common questions
Guardian360 vs Horizon3.ai, answered
Does Guardian360 do penetration testing?
Guardian360 runs a daily, automated web application penetration test and continuous scanning, but it is defensive-led. Horizon3.ai specialises in autonomous offensive testing.
EU data residency?
Guardian360 is EU-only; Horizon3.ai is US-based with global hosting.
See it on your own environment
Run a free Quickscan, start a trial, or talk to a partner. Guardian360 is delivered exclusively through our partners.