Hellman & Friedman announced it has purchased the majority stake in Tel Aviv-based Checkmarx from Insight Partners. After the sale is complete, Insight will retain a minority interest in the global leader in software security solutions for DevOps. The deal represents the largest acquisition of an application security company to date.

“We are thrilled to be joining forces with Emmanuel, Maty, and the entire Checkmarx team,” said Hellman & Friedman Partner, Tarim Wasim. “As cybersecurity threats continue to intensify, we strongly believe that embedding security early in the software development lifecycle is critical. Only one company – Checkmarx – has the breadth of products, developer-centric DNA, and culture of relentless innovation to serve the entire software security market. We look forward to building on Checkmarx’s tremendous success to date and supporting the company’s rapid growth in the years ahead.”

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“Checkmarx technology is mission-critical to any business that is developing or integrating software, and from even before we invested in the Company in 2015, we have been continuously impressed by the leadership to come out of this team of game changers and innovators,” Insight Partners Managing Director Richard Wells said. “Maty and Emmanuel are two of the cybersecurity industry’s top operators and we have been thrilled to have supported their stratospheric growth over the last five years. We will remain active supporters and vocal champions of the team.”

The firm makes software security essential infrastructure for modern enterprise software development.

Checkmarx is used by more than 40 of the Fortune 100 companies and half of the Fortune 50, including leading organizations such as SAP, Samsung, and Salesforce.com.