Luminos.Law (ZwillGen AI Division) vs Prompt Security

Luminos.Law, acquired by ZwillGen in January 2025, now operates as ZwillGen's AI Division, offering multidisciplinary services blending lawyers and data scientists for AI governance, risk management, red team testing, model audits, and policy guidance. Key differentiators include privileged AI fairness audits, generative AI red teaming for vulnerabilities like bias and hallucinations, and statistical bias testing. Typical buyers are technology companies and highly-regulated enterprises in employment and financial services needing compliance with evolving AI regulations. The division supports frameworks such as EU AI Act, NIST AI RMF, Colorado AI Act, NYC Local Law 144, and others through tailored testing and policies.ZwillGen AI Practice, Acquisition Announcement, IAPP Coverage

Prompt Security is a Tel Aviv-based AI security company founded in August 2023 by Itamar Golan (CEO) and Lior Drihem (CTO), both alumni of Israel's elite Unit 8200 with prior experience at Check Point and Orca Security. The company provides an enterprise platform for securing all generative AI interactions — covering employee AI tool usage (shadow AI discovery, data protection), homegrown AI applications (prompt injection defense, output filtering), AI code assistants, and agentic AI security including MCP gateway protection. Prompt Security is a core contributor to the OWASP Top 10 for LLM Applications. The company raised $23M prior to its acquisition by SentinelOne, which was completed on September 5, 2025. Prompt Security continues to operate as a standalone platform and product brand within SentinelOne's Singularity platform. CRN named it a 2025 Stellar Startup in Security.