OTDefend vs Radiflow iSID
| OTDefend | Radiflow iSID | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows | self-hosted, Web |
| Deployment | on_premises | hybrid |
| Passive monitoring | Yes | Yes |
| OT asset discovery | Yes | Yes |
| Supported protocols | Modbus (TCP and RTU), S7comm, DNP3, EtherNet/IP, IEC-104, IEC 61850, PROFINET, EtherCAT, POWERLINK, CC-Link IE, OPC UA, BACnet, FINS, MELSEC, HART-IP | Modbus, CIP, DNP3, IEC 104 |
| SIEM integration | Yes | Yes |
Both are listed in Best OT and ICS Security Monitoring Software. On Everything Xiaomi, Radiflow iSID scores higher on our published basis.