NanoLock Security
An Israeli Series B company that embeds device-level protection into OT and IoT hardware such as smart meters and industrial systems during manufacturing, guarding against insiders, external attackers, and supply-chain tampering.
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NanoLock Security protects OT and IoT devices at the silicon and firmware level rather than at the network perimeter. Its technology is embedded into devices during manufacturing or assembly — industrial control systems, smart meters, and connected lighting infrastructure among them — so that unauthorized firmware changes, configuration tampering, or malicious code injection can be blocked or flagged directly on the device, even if an attacker has already gained network access or compromised an operator’s credentials.
That device-first approach targets a specific and often-overlooked weakness in critical infrastructure: utilities and industrial operators frequently run large fleets of legacy or resource-constrained devices that cannot run conventional endpoint agents, leaving firmware integrity and supply-chain tampering as an open attack surface. NanoLock’s pitch is that protecting the device itself, independent of network segmentation, closes that gap for insider threats and supply-chain compromise scenarios that perimeter-focused OT security tools are not designed to catch.
The Israel-based company has raised a $11M Series B round (from OurCrowd, HIVE2040/Avnon Group, Atlantica Group, and AWZ Ventures) bringing total funding to roughly $21M, and reports customers among utilities and industrial operators across the U.S., Europe, and Asia. As with most OT/IoT security vendors, specific named customer deployments and independently measured efficacy data are not publicly disclosed, so the company’s market traction is best evidenced by its funding history and investor base rather than third-party validation.
Innovation Matrix Assessment
As a Series B company with roughly $21M in total funding, NanoLock has a moderate but not exceptional pace of product expansion across device categories (industrial systems, smart meters, connected lighting), constrained by the inherent complexity of embedding security into diverse hardware and firmware platforms.
Device-level protection embedded during manufacturing is effective for new hardware but is harder to retrofit onto the large installed base of legacy OT and IoT devices utilities already operate, which limits how quickly customers can adopt it fleet-wide.
An $11M Series B round (from OurCrowd, HIVE2040/Avnon Group, Atlantica Group, and AWZ Ventures) bringing total funding to about $21M, plus reported customer activity across the U.S., Europe, and Asia, indicates steady but not rapid growth for a company approaching a decade of operation.
Baking tamper protection into the device and firmware layer at the point of manufacture, rather than relying solely on network segmentation, addresses insider-threat and supply-chain attack vectors that perimeter-centric OT security tools are structurally unable to catch.
No named customer deployments, independent penetration-test results, or third-party efficacy validation were found in public sources; claims of utility and industrial customers across three continents are vendor-reported and unconfirmed by outside sources.
Firmware and supply-chain integrity for utilities and industrial infrastructure is an increasingly prominent concern given documented nation-state targeting of power grids and water systems, keeping device-level OT/IoT protection highly relevant to critical-infrastructure buyers.
Why CISOs Should Care
For OT and IoT fleet operators worried about firmware tampering or insider manipulation of field devices that cannot run conventional endpoint agents, NanoLock offers protection that travels with the device itself rather than depending entirely on network controls.
What Makes It Different
Most OT security vendors focus on network visibility and segmentation; NanoLock instead embeds protection into the device and firmware at the manufacturing stage, closing a gap that network-only approaches cannot address.
The Matrix Verdict
53/100 — INCREMENTAL INNOVATOR
A technically distinct device-level approach to a real critical-infrastructure problem, backed by credible Series B funding, but with efficacy and customer traction claims that remain vendor-reported and unverified by independent sources.
Editorial Note: Claims vs. Verified Findings
Independently verifiable: the $11M Series B round and $21M total funding, and investor list (OurCrowd, HIVE2040/Avnon Group, Atlantica Group, AWZ Ventures), reported consistently by SecurityWeek and CTech. Vendor-sourced and unverified: specific claims of utility and industrial customers across the U.S., Europe, and Asia -- no named customers or independent case studies were found to confirm deployment scale or outcomes.
Sources
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