A Security

Summary active Updated Jun 9, 2026

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Location Israel
Latest Stage Series A
Total Raised $37M

Investors

Assaf Rappaport series-a (2026)
Yotam Segev series-a (2026)
wiz 2026-06-08 (2026)
cyera 2026-06-08 (2026)

Founders

Yossi Torati CEO & Co-Founder
Omer Gull CPO & Co-Founder
Yuval Itzchakov CTO & Co-Founder

About

A Security is an Israel-based cybersecurity startup that emerged from stealth on June 8, 2026 with $37 million in total funding to build an autonomous offensive security and remediation platform designed to counter weaponized, AI-driven attackers 123. The platform deploys offensive AI agents that continuously search for vulnerabilities and chain them into real-world exploit paths, while defensive agents drive remediation across enterprise environments 13. The company was founded by CEO Yossi Torati, CPO Omer Gull, and CTO Yuval Itzchakov 12.

Funding History

Date Round Amount Lead Co-investors
2026-06-08 Seed + Series A (combined disclosure) $37M Lightspeed Venture Partners, Cyberstarts Cerca Partners, Assaf Rappaport, Yotam Segev, Merav Bahat 123

Per Calcalist, the $37M total comprises $5M in seed funding followed by a $32M Series A 3.

What Investors Say

“Threat actors are deploying agents that turn theory into practice 24/7… tilting the balance back in defenders’ favor.”

— Guru Chahal, Partner, Lightspeed Venture Partners 2

What Founders Say

“A is the only platform built to beat weaponized AI at its own game… we discover the real-world exploit paths AI-enabled attackers will use to cause breaches.”

— Yossi Torati, CEO and Co-Founder, A Security 12

Sources


  1. SecurityWeek, “A Security Raises $37 Million for Autonomous Offensive Security Platform,” June 8, 2026. Accessed June 2026. https://www.securityweek.com/a-security-raises-37-million-for-autonomous-offensive-security-platform/

  2. Manila Times (GlobeNewswire syndication), “A Security Emerges from Stealth with $37M in Funding to Outpace Weaponized AI,” June 8, 2026. Accessed June 2026. https://www.manilatimes.net/2026/06/08/tmt-newswire/globenewswire/a-security-emerges-from-stealth-with-37m-in-funding-to-outpace-weaponized-ai/2360758

  3. Calcalist (CTech), “A Security raises $37 million backed by Wiz CEO Assaf Rappaport and Cyera CEO Yotam Segev,” June 8, 2026. Accessed June 2026. https://www.calcalistech.com/ctechnews/article/sj3rrxnbzx