About Below∅Day

Security experts who understand your challenges.

We're a team of seasoned security professionals dedicated to helping organizations identify and address vulnerabilities before they become incidents.

Who We Are

Based in Milwaukee, Wisconsin, Below0Day has assembled a talented and diverse team of security professionals located across the United States. Our team includes experienced Penetration Testers, Malware Analysts, Security Architects, Audit and Policy Experts, and Trainers.

Our primary objective is to provide clients with a clear understanding of any vulnerabilities present in their systems and to facilitate the remediation process as seamlessly as possible.

We believe that security testing should be thorough, actionable, and conducted by experts who understand both the technical and business implications of their findings.

Our Core Values

Zero Trust

We assume breach. Every packet, every connection, every user is verified.

Transparency

Complete visibility into our methods, findings, and recommendations.

Speed

Rapid response times because in security, every second counts.

Partnership

We work alongside your team, not around them.

Leadership Team

Security Experts

Our leadership brings decades of combined experience from government agencies, Fortune 500 companies, and the security research community.

AM

Alex Mercer

Chief Security Officer

Red Team Operations

JK

Jordan Kim

Director of Threat Intelligence

APT Analysis

SR

Sam Rivera

Lead Security Architect

Zero Trust Architecture

CM

Casey Morgan

Head of Incident Response

Digital Forensics

Join the Team

We're always looking for talented security professionals who share our passion for protecting enterprises from sophisticated threats.

View Open Positions