Welcome to s4e
We are the team behind S4E - Security For Everyone.
We believe a 5-person startup and a 5,000-employee enterprise face the same attackers, but only one can afford a security team. We started S4E in 2021 to close that gap. Security was expensive, slow, and built for experts - we decided to change that.
Today, S4E.io is a Continuous AI-Based Security Operations platform with 14,000+ security checks, AI-powered scanning, and automated remediation - making cybersecurity understandable, accessible, and manageable for organizations of every size.
We actively develop and maintain open source security tools and believe in giving back to the community that powers the internet.
Explore the Documentation
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S4E Cloud
Get started with the fully managed SaaS platform. Create your account, add assets, run scans, and manage findings.
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S4E On-Prem
Deploy S4E.io in your own infrastructure. Installation, configuration, services, scaling, and troubleshooting.
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Partners & MSSPs
Multi-tenant customer management, licensing, scan automation, and white-label reporting for managed security providers.
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Developers
SDK, CLI, action development, Opservant agent, and integration guides.
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API Reference
REST API documentation with authentication, endpoints, webhooks, event streaming, and code examples.
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Open Source
Explore our open source repositories, contribute to the community, and follow the roadmap.