Originating in Tel Aviv-Yafo, Israel, and now headquartered in the US, Tenet aims to detect and stop dangerous AI agentic behavior in real time.
TenetSecurity.ai was founded by Barak Sternberg (CEO) and Nevo Poran (CTO). The two have an aligned history: working together they previously built Cisco’s AI Defense research team; and both are Unit 8200 alumni. The funding for the seed round is led by the Westly Group (whose previous investments include Tesla, SentinelOne, and Lumina).
The firm operates a patent-pending technology designed to prevent dangerous actions by wanton AI agents, whether they be simple runaway agents or maliciously hijacked agents. Once introduced into a network, agentic behavior becomes largely invisible to the security team, and activity is only visible after the event.
“AI agents may be the biggest productivity unlock enterprises have seen in decades, which is why organizations are moving so quickly to deploy them,” explains Sternberg. “But we’re also entering a world where autonomous agents are interacting with systems, data, and other agents in ways most security tools were never designed to understand. That creates an entirely new security layer that requires a fundamentally different approach to protection.”
