US company Vanta, which builds a platform for compliance and security management in organizations, signed a definitive agreement to acquire Israeli AI security company Pillar Security. Calcalist first reported the news. According to the report, the deal is valued at about $150 million and will be paid in a mix of cash and stock, and Pillar will become Vanta's research and development center in Israel.
Pillar builds tools to secure AI-based applications and agents: detecting attempts to trick models, preventing data leaks through chatbots and controlling what AI agents do inside the organization. Vanta, valued at about $4 billion in 2025, built its business on helping companies meet security standards such as SOC 2 and ISO 27001. The acquisition lets it offer customers control over AI use as well, an area regulators and auditors are starting to demand.
This is not Vanta's first Israeli acquisition: it previously bought Riskey, an Israeli vendor risk management company. And the deal joins a broad wave. Just last week CrowdStrike announced it is acquiring two US AI-agent security companies for about $495 million, and earlier this month it was reported to be in talks to acquire Israel's Orion Security. Large companies are buying capabilities in the new field instead of building them themselves.
The other side of the coin: $150 million is a nice sum for a young company, but far from the prices of the big cyber exits of recent years. The AI security market is very crowded, with dozens of startups, many of them Israeli, trying to solve similar problems. In such a market, some founders prefer to sell early, before the market starts picking winners and leaving the rest behind.
Israel also gains: another development center of a large US company opening here. The question, as always, is whether the team will stay and grow, or slowly become a small branch of a company whose decisions are made in San Francisco.
