Claroty Ltd., a startup that helps companies protect their industrial equipment from hackers, has secured $150 million in new funding.

Golub Growth led the investment with participation from several unnamed returning backers. Calcalist reported today that the raise boosted Claroty’s valuation by 80%, to $3 billion. According to the publication, the company’s annual revenue is in the hundreds of millions of dollars.

Many cybersecurity applications collect data on malicious activity by querying the systems they’re protecting. In industrial settings such factories, retrieving telemetry directly from a device often isn’t possible. Sensitive systems such as the computers that coordinate production line equipment are often isolated from the rest of the corporate network.

Israel-based Claroty says that its platform can collect cybersecurity data from isolated systems using a feature called Project File Analysis. In many factories, engineers keep a backup copy of industrial devices’ configuration files on the on-site workstations they use to supervise manufacturing operations. Clarity’s Project File Analysis feature can analyze those backups to collect data about potential threats.

Network isolation isn’t the only challenge involved in monitoring industrial equipment. Some systems are accessible over the network, but can’t be queried in practice due to technical constraints. Internet-connected factory hardware is often built to process only specific types of inbound traffic. Unfamiliar requests, such as queries designed to collect cybersecurity data, can cause bugs.

Claroty’s platform promises to address that challenge. According to the company, its software can collect telemetry from a device using queries that mimic the inbound traffic the device normally receives. Not entering input that a system wasn’t specifically designed to process reduces the risk of bugs.

Claroty uses the telemetry it collects to create an inventory of a company’s connected devices. It can detect not only industrial hardware but also employee end-points, medical equipment and other systems. The software flags devices that contain a vulnerability such as outdated firmware or login credentials stored in plaintext.

According to Claroty, its platform can also detect when hackers attempt to access a vulnerable device. The software spots malware and systems that connect to external servers they don’t usually access. The platform consolidates the data points it collects about an incident in a single alert to speed up the remediation process or administrators.

It also offers several industry-specific features. Hospitals, for example, can use it to identify underutilized medical devices. Another feature notifies administrators when a system is affected by a U.S. Food and Drug Administration recall.

Claroty says its software is used by nearly a quarter of the Fortune 100 along with numerous smaller customers. According to Calcalist, the company expects to become profitable in the near future. Claroty plans to maintain its financial momentum by growing its presence in international markets and making acquisitions.

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