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Lasso Security, the AI security platform enabling secure AI adoption at enterprise scale, announced that Dean Sysman, co-founder and executive chairman of Axonius, has joined its Board of Directors. Sysman will provide strategic guidance to Lasso as it supports organizations—particularly enterprises and federal agencies—in safely deploying AI agents, mitigating risks such as data leakage, model abuse, rogue-agent behavior, and prompt-based attacks, while ensuring compliance with emerging AI governance standards.
The appointment leverages Sysman's proven expertise in creating and scaling cybersecurity categories, directly applicable to Lasso's mission of establishing foundational security for the rapidly expanding AI agent ecosystem.
Dean Sysman's track record includes co-founding Axonius and leading it as CEO for nine years, during which the company pioneered cyber asset management and achieved unicorn status with a $2.6 billion valuation in under five years, surpassing $100 million in ARR in just 4.5 years—one of the fastest growth paths in cybersecurity.
His experience defining new market segments, building global go-to-market organizations, and collaborating closely with enterprise CISOs and federal clients will directly inform Lasso's efforts to shape the emerging AI security category.
“Dean’s track record of turning a novel cybersecurity idea into a global must-have category and scaling it is exactly what Lasso needs,” said Elad Schulman, CEO & Co-Founder, Lasso Security.
“Every company is racing to adopt AI, but we're creating the largest attack surface in software history. Lasso is solving the foundational problem of securing AI agents at scale, with a team that has the grit, depth, and vision to define this new category. I'm honored to help write the playbook for AI security alongside Elad and this elite team,” shared Dean Sysman.
Enterprises are transitioning from isolated AI chatbots to autonomous agents capable of reasoning, planning, and executing complex, multi-step workflows across critical systems. This shift introduces a dynamic, non-deterministic attack surface that traditional security approaches—relying on static keyword scanning or regex-based detection—cannot adequately address.
Lasso's AI Security Platform counters these challenges through its Intent Deputy, the industry's first behavioral intent framework. By analyzing real-time agent behavior, Lasso detects and prevents sophisticated risks that evade conventional tools, delivering full visibility, policy enforcement, and real-time defense without impeding innovation.
“Dean’s track record of turning a novel cybersecurity idea into a global must-have category and scaling it to serve complex enterprises and federal agencies is exactly what Lasso needs as we help organizations gain visibility, enforce policies, and block AI-driven attacks without hindering innovation,” added Schulman.
Sysman's board role will focus on advancing Lasso's product roadmap, go-to-market acceleration, and ecosystem partnerships, drawing on his deep relationships with security leaders and federal stakeholders.
This addition strengthens Lasso's position as enterprises and government entities prioritize secure, governed AI adoption in an era of rapid agent proliferation.
About Dean Sysman
Dean Sysman is a renowned entrepreneur and cybersecurity expert. He was honored on the Forbes 30 Under 30 Israel list (2017) and won the EY Entrepreneur of the Year Award in New York (2021). He is Co-Founder and Executive Chair of Axonius (having served as CEO for its first nine years). Axonius is a global leader in asset intelligence and cybersecurity visibility, enabling organizations to discover, secure, and manage their entire infrastructure. Under his leadership, the company achieved unicorn status rapidly, reaching a $2.6 billion valuation in less than five years from founding and surpassing $100 million in annual recurring revenue (ARR) in just 4.5 years—one of the fastest trajectories in cybersecurity history. Sysman has made around 20 early-stage investments to date, with portfolio companies collectively valued at over $35 billion.
About Lasso Security
Lasso is an AI Security Platform that delivers comprehensive observability, governance, and real-time defense across the entire AI ecosystem. Built to support the shift from human-led AI usage to autonomous AI agents, Lasso enables enterprises to securely manage the AI they use, build, and deploy to production. Lasso was named a Gartner® Cool Vendor™ in AI Security.
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