

Tel Aviv-based cybersecurity startup Tonic Security emerged from stealth on Monday, announcing a $7 million Seed round led by Hetz Ventures, with participation from Vesey Ventures and several angel investors in the security industry.
The company has developed a platform that helps security teams consolidate and interpret the growing volume of alerts and findings generated by their security tools. Its aim is to improve how organizations prioritize and resolve vulnerabilities, rather than simply adding to the flow of information.
The startup is led by CEO Sharon Isaaci, CPO David Warshavski, and CTO Greg Ainbinder, cybersecurity professionals with experience in both enterprise security and incident response. Prior to founding Tonic Security, Isaaci was an Executive at Sygnia, and previously CISO and Senior Intelligence Officer at the IDF. David Warshavski, also an Executive at Sygnia, led its Red Team and Enterprise Security department, working closely with Fortune 500 CISOs. Greg Ainbinder held senior positions at the Israeli elite intelligence 8200 unit, founding its AI department and Secure Cloud Center.
Related articles:
According to Isaaci, Tonic addresses a recurring problem he encountered: “In many of the breaches I was involved in, the vulnerability had already been identified but wasn’t addressed in time,” he said. “There was no shortage of information, what was missing was the right context to know what mattered most.”
Tonic’s platform connects to various security and IT tools already in place and organizes findings based on contextual signals, such as business impact and system relationships. The goal is to help teams focus on the most relevant exposures, not just the most severe alerts.
The product reflects a broader trend in the cybersecurity industry, where many companies are looking for ways to reduce noise and improve decision-making, rather than adopting additional detection tools. The company says its solution is not intended to replace existing systems but to help security teams make better use of what they already have.