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Icebrg co-founders Josh Carlson and Will Peteroy.

Icebrg, a Seattle-based enterprise security startup, has raised $10 million to help fuel growth for its platform that helps companies prevent hackers from compromising their networks.

Icebrg today announced the Series A round led by Utah-based Pelion Venture Partners, with participation from Seattle-based Madrona Venture Group — which led Icebrg’s seed round in December 2014 — and other investors.

Founded by Will Peteroy and Josh Carlson, two security professionals who met while working as a part of Microsoft’s Security Response team, the 20-person startup has multiple Fortune 500 companies using its product.

The company still describes itself as “stealth,” so it’s a bit unclear on how exactly its software is “next generation defense.” But the general premise for Icebrg is to shift the balance of power in security situations to favor defenders rather than attackers by improving how companies manage their data.

“Attack tools have become fully automated, packaged up, and sold as off-the-shelf products and services, while enterprises are stuck instrumenting an array of different security point-solutions that inherently lack support for automation and integration with other technologies,” Carlson said in a statement. “We started Icebrg with the vision to create positive change in the security response industry, to empower our customers to focus their limited set of security resources on the most significant threats to their organization at any given point in time.”

Before arriving at Microsoft, Peteroy and Carlson both previously worked at the National Security Agency. At Microsoft, Peteroy served as a security response strategist, and worked on product security for Windows and Internet Explorer. Carlson managed security response for the Windows Platform, and also managed security breach investigations and response for products like Xbox Live and OneDrive.

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