rez0corp

We Hack You So No One Else Can

We identify vulnerabilities in your systems before malicious actors do, providing a crucial layer of protection for your business assets and reputation.

Live hacking event

Our Services

Professional security services to protect your digital assets and infrastructure.

Webapp Testing

Comprehensive security assessments to identify vulnerabilities, injection points, and authentication flaws in your web applications before malicious actors can exploit them.

Cybersecurity Consulting

Expert guidance on security architecture, threat modeling, and defensive strategies tailored to your specific business needs and technical environment.

AI Security Testing

Red‑team style tests against LLM & agent systems: prompt injection, data leakage, abuse pathways, jailbreak resilience.

About the Founder

Joseph Thacker (rez0) headshot

Joseph Thacker

Top Bug Bounty Hunter, AI Security Researcher, Advisor, and Blogger

Full‑time bug bounty hunter with 1000+ vulnerability submissions. Former Principal AI Engineer at AppOmni. Speaker at BlackHat and DEFCON AI Village. Featured in Forbes, TechRepublic, and VentureBeat.

Advisor to:
• Ethiack: autonomous pentesting company
• SPLX: top AI safety company
• Caido: web proxy

"Christian, husband, father, and hacker."

Contact Information

Reach out to us directly or use the form

Social Media

We typically respond within 24 hours during business days.