Marc Gaffan

Marc Gaffan

CEO
Marc Gaffan is CEO of IONIX, a leader in External Exposure Management. Prior to this, Marc was CEO of Hysolate, acquired in 2022. Prior to Hysolate, Marc was Co-Founder and later CEO of Incapsula after its acquisition by Imperva where he led the Incapsula business to $100 million run rate. He is a thought leader on application security, DDoS and other Cyber topics, and has appeared before the US Congress, FDIC and FTC on cyber security and identity theft topics. Marc holds an MBA and a B.Sc in Computer Science and Economics from Tel Aviv University.
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Posted by Marc Gaffan

  • Marc Gaffan
    April 13, 2026

    Are You Ready for the CVE Avalanche?

  • Marc Gaffan
    February 2, 2026

    Deep Active Browser-Based Crawling: A Must-Have in Determining External Exposure

  • Marc Gaffan
    January 6, 2026

    The Need for Speed in Exposure Validation

  • Marc Gaffan
    November 6, 2025

    Why External Exposure Management Must Be at the Core of Your Security Operations

  • Marc Gaffan
    November 3, 2025

    Let’s be blunt, External Attack Surface Management (EASM) has run its course. It’s now all about External Exposure Management (EEM).

  • IONIX Expands External Exposure Management with Detection of AI Assets

  • External Reachability
    Marc Gaffan
    September 2, 2025

    May Be Reachable, Could Be Reachable, Should Be Reachable…

  • Why Gartner Declared EASM Obsolete Before It Became Mainstream
    Marc Gaffan
    August 11, 2025

    Why Gartner Declared EASM Obsolete Before it Became Mainstream 

  • Cybersecurity best of breed
    Marc Gaffan
    July 22, 2025

    Are “Best-of-Breed” Cyber Security Products Reclaiming the Spotlight? 

  • RIP EASM
    Marc Gaffan
    July 8, 2025

    RIP EASM – Gartner Declared EASM Obsolete, Now What?

  • Graphic with a dark blue background, a red heartbeat monitor, and white text that reads: "The CVE Program is on Life Support - What's Next?" The Ionix logo is in the upper left corner.
    Marc Gaffan
    April 16, 2025

    The CVE Program Is on Life Support – and So Is Our Outdated Approach to Vulnerability Management 

  • A sailboat navigates a stormy sea under a dramatic sky, symbolizing IT security teams needing continuous threat exposure management in a challenging environment.
    Marc Gaffan
    December 1, 2024

    CTEM: The Strategic Imperative for Modern Security Operations

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