Rein Security announced a $25 million Series A on October 8, taking its reported total funding to $35 million. Glilot Capital and Sienna Venture Capital co-led the round.
The company describes software that monitors AI agents while they execute actions and applies controls to those actions. It plans to spend the funding on product development, agent research and expanding its staff.
Funding and the company’s security claims do not establish that its product prevents every attack. This is an October 8 announcement, not a new October 11 round. Sources: Rein’s PRNewswire release and SecurityWeek, October 8.