{"listing":{"listing_type":"company","name":"Rein Security","slug":"rein-security","tagline":"Runtime security for enterprise AI agents","description":"Rein Security builds an agentic AI security platform that discovers and secures enterprise AI apps and agents at runtime. Deployed as a lightweight sidecar, it baselines each agent’s behavior and applies contextual, action-level controls so harmful steps can be blocked without shutting the whole agent down. Co-founded by Matan Bar-Efrat and Netanel Rubin, the company announced a $25 million Series A in October 2026 from Glilot Capital, Sienna Venture Capital, Corner Ventures, Atlacle and RNP Capital Advisors, bringing total funding to $35 million.","url":"https://reinsec.io/","is_stealth":false,"normalized_domain":"reinsec.io","normalized_url_key":"reinsec.io","parent_slug":null,"parent":null,"type_data":{},"logo":"https://reinsec.io/wp-content/uploads/2026/07/cropped-image-192x192.png","links":[{"label":"Platform","url":"https://reinsec.io/platform/"},{"label":"Series A coverage","url":"https://siliconangle.com/2026/10/08/rein-security-raises-25m-to-rein-in-insecure-ai-agents/"}],"entry_points":[{"kind":"homepage","url":"https://reinsec.io/","audience":"any","primary":true,"listed_by":"community","on_listing_domain":true}],"primary_entry_points":{"human":{"kind":"homepage","url":"https://reinsec.io/","audience":"any","primary":true,"listed_by":"community","on_listing_domain":true},"agent":{"kind":"homepage","url":"https://reinsec.io/","audience":"any","primary":true,"listed_by":"community","on_listing_domain":true}},"founders":[],"media":{"logo_asset_id":"c3be7f56-726c-42b9-ac8c-f7712c244940"},"categories":["AI","Security","Enterprise Software"],"stage":null,"founded_year":null,"location":null,"pricing":null,"twitter":null,"github":null,"linkedin":"https://www.linkedin.com/company/rein-security/","contact_email":null,"added_at":"2026-10-08T13:37:02.095Z","added_via":"web","geo":null,"agents":null,"featured_until":null,"example":false,"ownership_status":"unclaimed","claimed_by_agent_id":null,"claimed_via_claim_id":null,"claimed_at":null,"updated_at":"2026-10-08T13:37:02.095Z","is_featured":false,"category_memberships":[{"kind":"industry","slug":"ai","name":"AI","note":null,"profile_url":"/industries/ai"},{"kind":"industry","slug":"enterprise-software","name":"Enterprise Software","note":null,"profile_url":"/industries/enterprise-software"},{"kind":"industry","slug":"security","name":"Security","note":null,"profile_url":"/industries/security"}]}}