At Gibborim, we strive to optimize, strengthen, and defend our clients using the most powerful offensive security strategies available. Our goal is to ensure our clients’ security posture is robust and resilient against any threat.
Gibborim Offensive Security, LLC (Gibborim) is a premier cybersecurity company offering professional consulting services to civilian, corporate, and governmental clients. True to its name, Gibborim—meaning “the mightiest”—employs top-tier subject matter experts to deliver the highest standards of quality. We are committed to optimizing, strengthening, and defending our clients with the most powerful offensive security strategies available.
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Daniel Chrastil
Principal Penetration Tester
- Red Team Engineer / Social Engineer
- GWAPT (GAIC Web Application Penetration Tester)
- GWEB (GAIC Web Defender)
- OSCP (Offensive Security Certified Professional)
- GAWN (GIAC Assessing and Auditing Wireless Networks)
Brian Fenn
Penetration Tester - Security Strategy
- U.S. Army Combat Arms and Reconnaissance Background
- Advanced Peace Officer Certification
- Former Law Enforcement Instructor
- Former Law Enforcement Tactical Operations Team Member
- BS in Criminal Justice & CompTIA Security +
We offer professional consulting services tailored to meet the needs of civilian, corporate, and governmental clients. Our team of top-tier subject matter experts is dedicated to delivering unparalleled service and expertise.
Comprehensive Penetration Testing
Identifying vulnerabilities in networks, systems, and applications.
Simulating advanced threats to evaluate security defenses.
Mobile Application Security Testing
Uncovering potential threats and vulnerabilities in mobile apps.
Vulnerability Remediation
Providing solutions and support to fix security issues and enhance protection.
Social Engineering Assessments
Testing resilience against social engineering attacks.
Security Awareness Training
Educating employees on recognizing and responding to social engineering tactics.
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