TopHat Security Secures Series A Funding to Expand OT and AI Infrastructure Cybersecurity

TopHat Security, Inc. has closed a Series A financing round led by Landolt Securities, Inc., the company announced this week. The funding will fuel growth of the firm's cybersecurity tools built for critical infrastructure, U.S. government agencies, and artificial intelligence environments. PR Newswire reported the deal but did not disclose the funding amount.
The investment puts fresh capital behind TopHat Security at a moment when cyber threats to power grids, water systems, and government networks are rising fast. Landolt served as both lead investor and placement agent for the round, according to AP News.
TopHat Security's flagship product is O-RANGE, a security platform built specifically for operational technology — the hardware and software that runs factories, pipelines, and power plants. Unlike traditional IT security tools, O-RANGE is designed to work alongside existing OT security systems rather than replace them. The platform fills gaps that standard cybersecurity tools often miss, according to PR Newswire.
OT environments are notoriously hard to protect. They often run older equipment that cannot be easily patched or updated. Attackers have learned to exploit these weaknesses. TopHat says O-RANGE was built from the ground up to handle exactly these challenges.
The Series A capital will go toward expanding TopHat Security's enterprise product line and growing its customer delivery team. The company's stated focus is on threats targeting U.S. government agencies and operators of critical infrastructure — sectors that have faced a surge in sophisticated cyberattacks in recent years. Yahoo Finance noted the company plans to hit key growth milestones with the new funding.
Critical infrastructure operators — companies running energy grids, water utilities, and transportation networks — have become prime targets for nation-state hackers and ransomware groups. A single successful attack can knock out services for millions of people. TopHat Security is positioning itself as a specialized defense for these high-stakes environments.
Landolt Securities, Inc. played a dual role in this deal — acting as both the lead investor and the placement agent that arranged the financing. That structure gives Landolt a direct stake in TopHat Security's success. Newswire confirmed Landolt's involvement in both capacities, though terms of the arrangement were not made public.
Placement agents typically help companies find and organize investors for private funding rounds. Having the same firm lead and place the round signals strong conviction in the deal. It also means TopHat Security moved quickly from fundraising to close without needing multiple outside advisors.
Beyond OT and government work, TopHat Security is also targeting AI infrastructure as a security market. As companies build out data centers and computing clusters to power artificial intelligence tools, those systems become new attack targets. TopHat says its solutions are purpose-built to protect these emerging environments, according to PR Newswire UK.
The AI security market is still young, but demand is growing fast. Governments and large enterprises are pouring billions into AI systems, and attackers are following the money. TopHat Security's bet is that specialized, purpose-built tools will win out over general-purpose security platforms in this space.
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