Trust No Packet Secure Everything

We operate on the principle of zero trust. Every packet is a potential threat. Every connection must be verified. Your security is our obsession.

$ below0day --mode=offensive --target=threats

  • Scanning attack surface...

  • Vulnerabilities identified: 47

  • Initiating remediation protocol...

Our Services

Security Without Compromise

From proactive threat hunting to incident response, we provide end-to-end security solutions that protect your enterprise against evolving threats.

Featured Services

  • Penetration Testing
    Comprehensive security assessments to identify vulnerabilities before attackers do.
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  • Continuous Security
    Ongoing security testing to maintain your security posture year-round.
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  • AI Security
    Specialized assessments for AI and machine learning systems.
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  • Red Team & Simulation
    Realistic attack simulations to test your organization's defenses.
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Certifications

  • CREST Certified
  • NIST Lifecycle Approach
  • CIS Controls
  • PCI DSS Requirements
  • OWASP WSTG Testing Guide

Trusted by Industry Leaders

See what security leaders say about partnering with Below∅Day for their enterprise security needs.

"Over the past several years, we've engaged Below∅Day to perform internal, external, web application, thick client, and API penetration testing. They have been flexible and reliable, consistently delivering high quality findings with clear evidence and actionable remediation guidance. Communication has always been excellent with both our technical teams and leadership."

VP & Deputy CISO

Global Enterprise Software Company

"What stood out most was their collaborative approach during remediation and retesting. Below∅Day helped us validate hardening changes and provided pragmatic verification steps that accelerated closure without disrupting operations. Communication was timely, technical, and direct."

VP of Information & Data Security, CISSP

Leading Education Technology Provider

"Their team demonstrated exceptional technical expertise, employing industry-standard methodologies and adapting their approach to address specific requirements. The final report was well-structured, presenting findings in a manner that was accessible to both technical and non-technical stakeholders."

Sr. VP of Information Governance

Investment Management [AUM $200B]

Ready to Secure Your Enterprise?

Schedule a security assessment with our team of experts. We'll identify vulnerabilities and develop a comprehensive protection strategy.

Schedule Assessment