Fastest-growing Cyber-Physical Security companies, Q3 2026

SCI Semiconductor is a deep-tech company that designs intrinsically cyber-secure processor devices based on CHERI (Capability Hardware Enhanced RISC Instructions) technology.

The company's offering includes chip development and licensable intellectual property for secure-by-design microelectronics, targeting sectors such as smart industry, automotive, critical infrastructure, and aerospace.

Xage Security develops zero trust access and protection solutions designed to secure critical infrastructure and operational technology environments. The company's platform addresses security challenges across IT, OT, cloud, and IoT environments, with particular focus on industrial sectors including energy and utilities, manufacturing, oil and gas, and logistics and transportation.

CYTUR is a maritime cybersecurity company based in South Korea, founded in 2016 (originally as KJ Consulting, renamed DS Lab Company in 2020, then CYTUR Inc. in 2023). The company develops a cybersecurity platform designed specifically for the maritime industry, addressing security needs across the full lifecycle of a ship, from design and build to operation.

Exein provides embedded cybersecurity solutions for IoT and connected devices. Founded in 2018 and headquartered in Rome with offices in Germany, Taiwan, and the US, the company embeds security directly into device software at the firmware level. Their platform leverages edge AI for real-time threat detection and response on embedded systems.

Gyala is an Italian cybersecurity company that develops automated cyber defense technology for IT, OT, and IoT infrastructures. The company's core product is Agger, a platform designed to detect, react to, and defend against cyber threats in real time, operating continuously (24/7) without manual intervention.

Agger is built on AI technology with origins in military-grade systems and provides automated detection and reaction capabilities that can be customized at the individual endpoint level. The platform supports complex querying and TAG-based visualization and search organization.

Eclypsium provides security solutions focused on protecting hardware, firmware, and software infrastructure throughout the digital supply chain. The company was founded in 2015 by former Intel security researchers Yuriy Bulygin and Alex Bazhaniuk, who previously developed CHIPSEC, an open-source platform for hardware security assessment.

The company's platform addresses vulnerabilities in infrastructure code that exist below the operating system level, including threats embedded in chips, firmware, and low-level code.

Crytica Security develops technology for detecting cyber threats within operational technology (OT), IoT, and IT devices. Its core product, the Rapid Detection, Alert, and Isolation (RDAi) system, is designed to operate inside devices and detect unauthorized changes at the point of injection, before malicious code executes, rather than relying on signature-based or post-execution detection methods.

Shift5 provides operational technology cybersecurity and data intelligence solutions for military and commercial transportation fleets. Founded in 2019 by former U.S. Army Cyber Command officers who pioneered modern weapons system cyber assessments, the company focuses on securing and optimizing cyber-physical systems across aviation, ground vehicles, maritime vessels, and rail networks.

Finite State provides product security solutions for connected devices and embedded systems. The company focuses on analyzing firmware and software components within IoT devices, medical devices, industrial control systems, and other connected products used across critical infrastructure sectors including energy, telecommunications, healthcare, and defense.