Impacket
14600★Contributed to the leading Python library for network protocol analysis and penetration testing. Used by 6,000+ repositories with 14.6k+ stars.
PythonNetwork SecurityPenetration TestingOpen Source
Itamar Mizrahi
A seasoned technology leader and entrepreneur with extensive experience in cybersecurity. Proven track record in building and scaling software products from inception to growth. Former Co-founder and CEO of Cymptom, acquired by Tenable.
My passion lies in building high-impact security products that protect organizations from evolving cyber threats. I enjoy mentoring the next generation of security professionals and sharing insights from my experience in both startup and enterprise environments.
In my free time, I like surfing and traveling
Career Timeline
VP Product Growth @ Tenable
Leading product growth strategy and execution for Tenable's Exposure Management platform.
VP Engineering @ Tenable
Scaled a global team and integrated Cymptom's technology into Tenable One and Attack Path Analysis.
Co-founder & CEO @ Cymptom
Built Cymptom from concept to acquisition, enabling organizations to eliminate attack paths.
Instructor @ John Bryce
Provided cybersecurity training for SOC analysts and security professionals.
Red Team Specialist @ CyberArk
Conducted red team assessments for Fortune 500 companies.
Key Projects
MITRE ATT&CK
Contributed to the global cybersecurity knowledge base of adversary tactics and techniques. Used by governments, enterprises, and security teams worldwide.
Threat IntelligenceCybersecurity FrameworkGlobal Standard
Neomodel
1000★Contributed to the popular Python Object Graph Mapper (OGM) for Neo4j graph database. Used by 1,100+ repositories with 1k+ stars.
PythonNeo4jGraph DatabaseOpen Source
PowerSploit
12500★Contributed to the legendary PowerShell post-exploitation framework used by red teams worldwide. 12.5k+ stars with 4.7k+ forks.
PowerShellPost-ExploitationRed TeamingOpen Source
PowerShell Toolkit
100★Active Directory red team & audit scripts for security testing and compliance.
PowerShellActive DirectorySecurity Testing
Snort Converter
50★Agentless rule converter for FortiGate firewall integration.
Network SecurityFortiGateRule Conversion
Latest Insights
Rapid AI Adoption Demands Autonomous Vulnerability Remediation
Why the explosive growth of AI requires self-healing security systems that can fix vulnerabilities without human intervention
August 7, 2025
AI as a New Attack Surface: Why Exposure Management is More Critical Than Ever
As organizations rapidly adopt AI technologies, they're creating new attack vectors that traditional security approaches can't address. Here's why exposure management programs are now essential for AI security.
June 19, 2025
Building Security Teams That Scale
Lessons learned from leading engineering teams in cybersecurity startups and enterprises
January 15, 2024
From Startup to Enterprise: The Cybersecurity Journey
Reflections on building Cymptom from the ground up and scaling security products in enterprise environments
January 10, 2024
Building Security Products That Actually Work
Practical insights on developing cybersecurity solutions that solve real problems and deliver measurable value
January 5, 2024