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Tenable Appoints Microsoft Cloud Security Veteran as Chief Technology Officer


Tenable Appoints Microsoft Cloud Security Veteran as Chief Technology Officer
  • by: Source Logo
  • |
  • December 16, 2025

Tenable Holdings, Inc., the exposure management cybersecurity company, has appointed Microsoft cloud security veteran Vlad Korsunsky as its new Chief Technology Officer and Managing Director of Tenable Israel. Korsunsky is tasked with driving the company's long-term platform strategy, scaling the Tenable One Exposure Management Platform, and advancing its artificial intelligence initiatives.

Quick Intel

  • Tenable appoints Vlad Korsunsky, a former Microsoft Corporate VP of Cloud & Enterprise Security, as its new Chief Technology Officer.

  • Korsunsky will also serve as Managing Director of Tenable Israel, based at the company's Tel Aviv Innovation Center.

  • His mandate includes driving Tenable's technical vision, platform strategy, and AI innovation.

  • He brings over a decade of experience from Microsoft, where he led multi-cloud security and AI security businesses.

  • Leadership cites his background as critical for advancing platform leadership and meeting rising demand for AI risk management.

  • This appointment aims to accelerate Tenable's exposure management vision for the modern attack surface.

Strategic Hire to Accelerate Platform and AI Leadership

The appointment of a CTO with deep experience in both cloud security and enterprise AI is a strategic move for Tenable. It signals a focus on scaling its unified platform and embedding advanced AI capabilities to address evolving threats, particularly those related to AI systems themselves. Co-CEO Steve Vintz emphasized Korsunsky's fit for this phase, stating he is “exactly the leader we need to accelerate our platform leadership, especially with rising demand for AI risk management.”

Bridging Cloud Security and Exposure Management Expertise

Vlad Korsunsky's background provides a direct link between broad cloud ecosystem security and Tenable's core exposure management discipline. At Microsoft, he was responsible for building and leading the company's global multi-cloud security, enterprise AI security, and exposure management businesses. This experience in shaping security strategy for AI and disruptive business lines aligns with Tenable's goal of unifying visibility and action across increasingly complex, AI-influenced attack surfaces.

Leadership Perspective on a Defining Market Position

In his statement, Korsunsky highlighted Tenable's established market position and the unique challenges of the current moment. “Tenable is the defining leader in exposure management... We are uniquely positioned for this moment, where AI is not only reshaping how we work, but also the attack landscape and how it is defended.” His role will be to leverage this foundation to drive technology innovation that delivers tangible customer value in securing both traditional and AI-driven environments.

Bringing on a CTO of Vlad Korsunsky's caliber from a hyperscaler like Microsoft represents a significant investment in Tenable's technological future. It underscores the growing convergence of exposure management, cloud security, and AI-native defense strategies. By integrating high-level expertise from the platform vendor ecosystem, Tenable aims to strengthen its own platform's capabilities and strategic direction, ensuring it remains competitive as cybersecurity paradigms shift.

About Tenable

Tenable® is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust. The company’s AI-powered exposure management platform radically unifies security visibility, insight and action across the attack surface, equipping modern organizations to protect against attacks from IT infrastructure to cloud environments to critical infrastructure and everywhere in between. By protecting enterprises from security exposure, Tenable reduces business risk for approximately 44,000 customers around the globe.

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