Jacob  Lehmann

Jacob Lehmann

Managing Director | CyZen

One Liberty Plaza
165 Broadway, Floor 21
New York, NY 10006
p 212-897-6422
f  212.842.7001

Jacob Lehmann is the Managing Director of CyZen, a Friedman LLP Company. For more than 10 years, he has spearheaded pro-active, innovative and custom-tailored solutions that help safeguard clients from cybersecurity risks.


Jake approaches each client engagement through a people-centric lens, bringing deep-rooted service, industry knowledge and a passion for delivering excellence. He has helped clients target and remediate security vulnerabilities including IT misconfigurations, exploitable systems, open source intelligence and information leaks. His toolbox of technical services include cyber defense, vulnerability/risk assessments, penetration testing, architectural reviews, cybersecurity training, open source intelligence and spear phishing simulations.

Jake has led engagements spanning small and medium businesses and high-net-worth individuals to big enterprise-level engagements as well as successful start-ups. His extensive industry experience includes work with telecommunications, technology, energy, banking and finance, healthcare, legal, retail, manufacturing, government and pharmaceutical organizations.

Jake’s expertise includes:

  • Quantifying and remediating clients’ cyber risks
  • Enforcing industry best-practices in clients’ systems and networks
  • Innovating cutting-edge cyber programs
  • Navigating clients through evolving regulatory requirements
  • Conducting technical cyber services including ethical hacking
  • Advising clients on enhancing IT/cyber controls
  • Spearheading technical engagements
  • Managing high-profile cyber security cases
  • Strategizing clients' business development including cyber talent recruitment, training, quality assurance and building successful security teams

As a cybersecurity thought leader, Jake has led numerous internal client awareness trainings and presented during educational retreats.

Outside the Office

When Jake isn’t combatting cyber-attacks, you can find him globetrotting with his wife, deep-sea diving with sharks, or spending quality time with his four-legged friend, Chloe the pug.