Unmatched Visibility for Critical Infrastructure

Discover and secure ICS/OT assets across energy, manufacturing, utilities, and defense – before adversaries can exploit them.

Trusted By

The ADNOC logo features a stylized black falcon head above the company name in both Arabic and English.
The Berkshire Hathaway Energy logo features a stylized dark teal triangle with the company name in bold uppercase letters.
Censys CISA logo features a shield with a key and the text "CISA" inside a circular border.
Censys E-ISAC logo featuring the name and a stylized icon with text about electricity and information sharing.
Censys Eni logo features the word "eni" with a stylized lion figure to the right.
Censys Southern-Company logo featuring a stylized triangular icon and the company name in dark text.
Censys Summit logo featuring a water droplet icon and the words "summit utilities" in dark blue text.
Censys logo features a stylized lowercase "e" with "TotalEnergies" written below in dark blue.

Comprehensive Visibility to Internet Connected ICS/OT Systems

Censys delivers Internet-scale visibility for industrial control systems—bridging IT and OT security. With unmatched protocol coverage and contextual HMI intelligence, defenders can see, prioritize, and mitigate exposures across critical infrastructure.

Complete ICS/OT exposure visibility and insights

Censys delivers deep ICS/OT visibility so defenders can outpace adversaries – providing real-time scanning, vendor fingerprinting, and contextual evidence that helps security teams protect critical systems across complex environments.

Identify Exposures
with HMI Evidence

Instantly identify exposed HMIs, controllers, and PLCs with real screenshots and metadata for confident validation – no guessing, no assumptions.

Assess Vendor and Protocol Exposures

Censys detects 26 industrial protocols and 68 vendors across 226 unique fingerprints – helping defenders assess exposure at scale and prioritize remediation.

Accelerate ICS
Incident Response

Use contextual HMI captures and historical views to quickly triage alerts, confirm ownership when available, and contain incidents before they escalate.

Simplify Compliance
& Reporting

Generate audit-ready reports on ICS/OT exposures and asset ownership for compliance with EPA, CISA, and sector-specific mandates.

Built for the Defenders of Critical Systems

Censys ICS/OT module combines protocol-aware scanning, vendor fingerprinting, and contextual visual data to deliver the most complete Internet picture of exposed industrial infrastructure.

Protocol & Vendor Intelligence

Censys Threat Hunting Protocol and Vendor Intelligence dashboard displaying detailed host and application data.
Comprehensive ICS/OT Exposure Coverage

Censys detects and classifies 26 industrial protocols and 68 vendors with over 226 unique fingerprints, giving defenders unparalleled awareness of exposed systems.

HMI Contextual Analysis

Screenshots of HMI interfaces for manual and auto roast modes, displaying temperature, time, and control settings.
See What Attackers See

Automatic screen captures from CMORE, RedLion, X11, VNC, and RDP interfaces provide definitive evidence for exposure validation and analysis.

Exposure Evidence & Attribution

Censys Threat Hunting interface displaying exposure evidence with a 405 error message and attribution details.
Eliminate Ambiguity in Asset Identification

Leverage sole-source screenshots, enriched metadata, and geolocation to confirm real exposures and ownership when available with confidence.

API, SIEM, & SOAR Integration

JSON data showing Censys Threat Hunting API details, including IP, scan time, and a security banner with inventory info.
Integrate ICS Intelligence Into Your Workflow

Query exposures via UI or API, correlate findings with telemetry with other solutions

Censys Threat Hunting Protocol and Vendor Intelligence dashboard displaying detailed host and application data.
Comprehensive ICS/OT Exposure Coverage

Censys detects and classifies 26 industrial protocols and 68 vendors with over 226 unique fingerprints, giving defenders unparalleled awareness of exposed systems.

Screenshots of HMI interfaces for manual and auto roast modes, displaying temperature, time, and control settings.
See What Attackers See

Automatic screen captures from CMORE, RedLion, X11, VNC, and RDP interfaces provide definitive evidence for exposure validation and analysis.

Censys Threat Hunting interface displaying exposure evidence with a 405 error message and attribution details.
Eliminate Ambiguity in Asset Identification

Leverage sole-source screenshots, enriched metadata, and geolocation to confirm real exposures and ownership when available with confidence.

JSON data showing Censys Threat Hunting API details, including IP, scan time, and a security banner with inventory info.
Integrate ICS Intelligence Into Your Workflow

Query exposures via UI or API, correlate findings with telemetry with other solutions

Protect What Matters Most