About Me

Itamar Mizrahi - Cybersecurity Entrepreneur and VP Product Growth at Tenable - Professional portrait

I'm a seasoned technology leader and entrepreneur with extensive experience in cybersecurity. Former Co-founder and CEO of Cymptom (acquired by Tenable), now leading product growth at Tenable.

Professional Journey

VP Product Growth @ Tenable

Leading product growth strategy and execution for Tenable's Exposure Management platform, driving market expansion and customer adoption.

July 2025 - Present

VP Engineering @ Tenable

Led product and engineering for Tenable One, Tenable's Exposure Management platform. Scaled and managed a global team of 60+ across engineering, product, and data science. Successfully integrated Cymptom's technology to become a core component of Tenable One and Attack Path Analysis.

February 2022 - July 2025

Co-founder & CEO @ Cymptom

Built and scaled Cymptom, a leader in Exposure Validation, allowing organizations to eliminate attack paths before they occur. Led the company from concept to successful acquisition by Tenable.

March 2019 - February 2022 (Acquired by Tenable)

Instructor @ John Bryce

Provided cybersecurity training for SOC analysts, sharing expertise and best practices with the next generation of security professionals.

August 2017 - January 2020

Red Team Specialist @ CyberArk

Conducted red team assessments for Fortune 500 companies to demonstrate the value and necessity of CyberArk's privileged access management solutions.

October 2015 - July 2017

Security Researcher @ Israel Defense Forces

Founded and led a cybersecurity department within a classified unit, developing critical security capabilities and threat intelligence.

December 2011 - September 2015

Education

Bachelor of Science (B.Sc.), Computer Science

The College of Management - Academic Studies

2015 - 2018

Robotics Technology/Technician

ORT Colleges

2009 - 2011

Speaking & Thought Leadership

Available for speaking engagements on cybersecurity leadership, startup scaling, security product development, and emerging threat landscapes.

Mission & Values

Building Impactful Security Products: I believe that effective security solutions should be both powerful and accessible. My focus is on creating tools that security teams actually want to use and that provide measurable value to organizations.

Mentoring the Next Generation: I'm passionate about helping emerging security professionals develop their skills and navigate their careers. Whether through open-source contributions, speaking engagements, or direct mentorship, I believe in paying forward the knowledge I've gained.

Continuous Learning: The cybersecurity landscape evolves rapidly, and staying current requires constant learning. I'm always exploring new technologies, threat vectors, and defensive strategies to ensure the products I help build remain effective.

Technical Expertise

Security Domains

  • Attack Path Validation & Exposure Management
  • Network Security & Firewall Technologies
  • Active Directory Security & Red Teaming
  • Cloud Security & DevSecOps
  • Threat Intelligence & Detection
  • Privileged Access Management

Technologies

  • Python, Typescript, Go
  • AWS, Azure, GCP
  • Docker, Kubernetes
  • CI/CD & Automation
  • Product Growth & Analytics

Beyond Work

When I'm not building security products or mentoring teams, you'll find me:

  • Surfing - Catching waves helps me stay balanced and creative
  • Traveling - Exploring new cultures and perspectives
  • Open Source - Contributing to security tools and utilities
  • Community - Speaking at conferences and security meetups