Layer401

We deliver high-assurance penetration testing and adversarial simulation for critical infrastructure.

Stay Audit-Ready with End-to-End Offensive Security.

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Offensive Security

Layer401 delivers custom offensive security solutions built around your infrastructure, code, and threat surface. We offer comprehensive assessments that simulate real-world attacks—from internal network intrusions to cloud breaches and social engineering campaigns.

Audit Ready

From static analysis that flags risky code paths to dynamic testing that simulates attacker behavior, we surface the vulnerabilities auditors care about. Whether it’s SOC 2, ISO 27001, or internal red team validation, we make sure your security posture holds up under scrutiny.

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Modern Threat Detection Without Signatures