Tenable in talks to acquire cyber startup Vulcan for hundreds of millions

The American cybersecurity company Tenable Holdings, which is traded on Nasdaq with a market cap of $5 billion, is in negotiations to acquire the Israeli startup Vulcan Cyber, Calcalist has learned. The acquisition price is estimated to be in the hundreds of millions of dollars.

Founded in 2018 by Yaniv Bar-Dayan, Tal Morgenstern, and Roy Horev, Vulcan Cyber develops a platform for managing vulnerability risks. It raised $34 million as part of its Series B in November 2023, adding to the $21 million it raised in 2021. The most recent round was led by Maor Investments and Ten Eleven Ventures, with participation from prior investors such as Dawn Capital and Wipro Ventures.

Vulcan Cyber founders.

Vulcan, which has raised a total of $55 million since its inception, has offices in Tel Aviv, the United States, and Europe, and employs around 100 people.

Among Vulcan Cyber’s clients are notable companies such as Deloitte, Skechers, and Mandiant, a Google subsidiary that uses Vulcan's platform to manage millions of cyber vulnerabilities.

Vulcan Cyber’s platform is designed to address vulnerabilities across cloud environments, applications, and corporate networks. It is built to handle the massive scale of vulnerabilities faced by large organizations that rely on a wide range of technologies and face extensive exposure.

The acquiring company, Tenable, employs approximately 2,000 people globally, including a presence in Israel. Tenable has a history of acquisitions in Israel, including the purchase of Eureka for tens of millions of dollars and Ermetic for around $250 million.