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Checkmarx
Checkmarx is an information security company specializing in software application security testing and risk management for software supply chains. It is headquartered in Atlanta, Georgia in the United States. It has over 900 employees.
Before founding Checkmarx, Maty Siman worked in the Mamram unit of the Israeli Defense Forces (IDF) and later in the Matzov unit. Then he worked a two years term until February 2006 as an advisor at the Israeli Prime Minister's Office.
Checkmarx was founded in 2006 by Maty Siman and Emmanuel Benzaquen.
In 2017, Checkmarx acquired Codebashing to add AppSec training. The following year, it acquired Custodela, DevSecOps consulting firm.
Checkmarx was acquired in April 2020 by Hellman & Friedman, a private equity firm with headquarters in San Francisco.
In August 2021, Checkmarx acquired Dustico, a software that detects backdoors and malicious attacks in the software supply chain.
In 2023, founder Emmanuel Benzaquen stepped down as CEO and was succeeded by Sandeep Johri.'
Checkmarx announced in December 2025 that it had acquired Tromzo, a California-based company known for its AI-native autonomous security agents. No financial details were made public. Checkmarx stated that Tromzo’s founders, Harshil Parikh and Harshit Chitalia, together with their full AI engineering team, will transition to Checkmarx’s product and engineering division. Tromzo’s cognitive architecture and reasoning engine will serve as an intelligence layer throughout the Checkmarx One platform and will drive new Assist agents beginning in early 2026.
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Checkmarx
Checkmarx is an information security company specializing in software application security testing and risk management for software supply chains. It is headquartered in Atlanta, Georgia in the United States. It has over 900 employees.
Before founding Checkmarx, Maty Siman worked in the Mamram unit of the Israeli Defense Forces (IDF) and later in the Matzov unit. Then he worked a two years term until February 2006 as an advisor at the Israeli Prime Minister's Office.
Checkmarx was founded in 2006 by Maty Siman and Emmanuel Benzaquen.
In 2017, Checkmarx acquired Codebashing to add AppSec training. The following year, it acquired Custodela, DevSecOps consulting firm.
Checkmarx was acquired in April 2020 by Hellman & Friedman, a private equity firm with headquarters in San Francisco.
In August 2021, Checkmarx acquired Dustico, a software that detects backdoors and malicious attacks in the software supply chain.
In 2023, founder Emmanuel Benzaquen stepped down as CEO and was succeeded by Sandeep Johri.'
Checkmarx announced in December 2025 that it had acquired Tromzo, a California-based company known for its AI-native autonomous security agents. No financial details were made public. Checkmarx stated that Tromzo’s founders, Harshil Parikh and Harshit Chitalia, together with their full AI engineering team, will transition to Checkmarx’s product and engineering division. Tromzo’s cognitive architecture and reasoning engine will serve as an intelligence layer throughout the Checkmarx One platform and will drive new Assist agents beginning in early 2026.