EmberOT vs OTDefend
EmberOT
emberot.comOTDefend
otdefend.comSide by side
| Figure | EmberOT | OTDefend |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | — | Yes |
| Linux | — | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · OT and ICS Security Monitoring Software | 8.4 (#2) | 8.3 (#4) |
| Audience | EmberOT describes its intended users as industrial operators, engineers, defenders, plant managers, compliance managers, and cybersecurity teams. | The site describes OTDefend for critical infrastructure sectors including energy, manufacturing, water, and oil and gas. |
| Deployment | The maker describes EmberOT as a hardware-agnostic software sensor that processes data locally at the edge; its homepage lists minimum requirements of 4 cores, 4GB RAM, and 30GB storage. | Deployment options include an offline Docker bundle, a .deb sensor and a hardened bootable appliance ISO. |
| Headquarters | Chandler, Arizona, United States | The demo page identifies Ankara, Turkey, while the newer contact page describes the global headquarters as appointment-only. |
| Integrations | EmberOT says its sensors send data to selected tools and destinations, and its PCAP Analyzer page names SIEM, SOAR, and MSSP destinations for the full product. | Listed connectors include Splunk, QRadar, CrowdStrike Falcon, Microsoft Defender, SentinelOne, Cortex XDR, FortiGate, Palo Alto, Check Point, ServiceNow and Jira. |
| Purpose | EmberOT provides software sensors for industrial asset and network monitoring, with continuous insight into system status, vulnerabilities, and threats. | OTDefend provides passive OT/ICS monitoring, threat detection, vulnerability management and response for industrial environments. |
| Support | The maker invites prospective customers to request a demo and says its team provides customers, partners, and the industry with support and guidance. | Technical support is listed Monday through Friday, 9:00 AM to 6:00 PM, with emergency 24/7 coverage dependent on the support plan. |
| Vulnerability management | EmberOT describes near-real-time vulnerability evaluation with contextual risk ranking and environment-specific remediation recommendations. | Passive CVE and ICS-CERT matching is prioritized using exposure, CVSS, Purdue criticality and known-exploited-vulnerability factors. |
Plans
In their own words
EmberOT
EmberOT is self-hosted software for monitoring industrial assets and networks. Its software sensors discover, classify, and track assets from remote network edges through core networks, while collecting and processing data locally. The product combines cybersecurity alerts with operational anomaly detection and process monitoring. It evaluates vulnerabilities using current and historical information to rank environment-specific risk and recommend remediation. The Odyssey console brings together sensor and license management, health monitoring, asset inventory, and network views. Listed protocols include IEC 61850, Siemens S7, CIP/ENIP, BACnet, Modbus, DNP3, and MQTT; SIEM integration is supported. Minimum sensor requirements are 4 cores, 4 GB RAM, and 30 GB storage. EmberOT also offers a free OT PCAP Analyzer for offline packet-capture review, including device and protocol identification, filtering, and search. The analyzer requires a valid school or business email for download, and does not provide live span or tap monitoring, outbound sending, historical storage, or threat and anomaly detection. Main-product pricing is on request.
OTDefend
OTDefend provides passive monitoring, threat detection, vulnerability management, and response for industrial environments. Its network intrusion detection inspects more than 16 industrial protocols from a mirror or TAP port, and the maker says it does not inject traffic. Supported protocols include Modbus, S7comm, DNP3, EtherNet/IP, IEC-104, IEC 61850, PROFINET, EtherCAT, POWERLINK, CC-Link IE, OPC UA, BACnet, FINS, MELSEC, and HART-IP. A dependency-free Windows agent runs from Windows XP through Windows 11 and collects host inventory and intrusion-detection events. Detection combines network IDS signatures, Sigma analytics, and YARA signatures; the homepage states 688 rules. A built-in threat-intelligence store accepts TAXII 2.1 and STIX 2.1 feeds and checks indicators against live traffic. Deployment options include an offline Docker bundle, a .deb sensor, and a bootable appliance ISO. OTDefend lists SIEM and other security integrations, plus IEC 62443, NERC CIP, and NIS2 reporting with exportable PDFs. Its design includes per-tenant isolation, role-based access, an active/standby core, and one-way sensors for data-diode segments. Pricing is on request.