Microsoft Defender for IoT - supported IoT, OT, ICS, and SCADA protocols

This article lists the protocols that are supported by default in Microsoft Defender for IoT.

Supported protocols for OT device discovery

OT network sensors can detect the following protocols when identifying assets and devices in your network:

Brand / Vendor Protocols
ABB ABB 800xA DCS (IEC61850 MMS including ABB extension)
CNCP
RNRP
ABB IAC
ABB Totalflow
ABB NetConfig
ASHRAE BACnet
BACnet BACapp
BACnet BVLC
Beckhoff AMS (ADS)
Twincat
Cisco CAPWAP Control
CAPWAP Data
CDP
LWAPP
DICOM Dicom
DNP. org DNP3
Emerson DeltaV
DeltaV - Discovery
Emerson OpenBSI/BSAP
Ovation DCS ADMD
Ovation DCS DPUSTAT
Ovation DCS SSRPC
Emerson Fischer ROC
FANUC FANUC FOCUS
FieldComm Group HART-IP
GE ADL (MarkVIe)
Bentley Nevada (System 1 / BN3500)
ClassicSDI (MarkVle)
EGD
GSM (GE MarkVI and MarkVIe)
InterSite
SDI (MarkVle)
SRTP (GE)
GE_CMP
Generic Applications Active Directory
RDP
Teamviewer
VNC
Honeywell ENAP
Experion DCS CDA
Experion DCS FDA
Honeywell EUCN
Honeywell Discovery
IEC Codesys V3
IEC 60870-5-7 (IEC 62351-3 + IEC 62351-5)
IEC 60870-5-104
IEC 60870-5-104 ASDU_APCI
IEC 60870 ICCP TASE.2
IEC 61850 GOOSE
IEC 61850 MMS
IEC 61850 SMV (SAMPLED-VALUES)
LonTalk (LonWorks)
IEEE LLC
STP
VLAN
IETF ARP
DHCP
DCE RPC
DNS
FTP (FTP_ADAT
FTP_DATA)
GSSAPI (RFC2743)
HTTP
ICMP
IPv4
LLDP
MDNS
NBNS
NTLM (NTLMSSP Auth Protocol)
RPC
SMB / Browse / NBDGM
SMB / CIFS
SNMP
SPNEGO (RFC4178)
SSH
Syslog
TCP
Telnet
TFTP
TPKT
UDP
ISO CLNP (ISO 8473)
COTP (ISO 8073)
ISO Industrial Protocol
MQTT (IEC 20922)
Jenesys FOX
Niagara
Medical ASTM
HL7
DICOM
POCT1
Mitsubishi Melsoft / Melsec (Mitsubishi Electric)
Omron FINS
HTTP
OPC AE
Common
DA
HDA
UA
Oracle TDS
TNS
Rockwell Automation CSP2
ENIP
EtherNet/IP CIP (including Rockwell extension)
EtherNet/IP CIP FW version 27 and above
Rockwell AADvance Discover
Rockwell AADvance SNCP/IXL
Samsung Samsung TV
Schneider Electric Modbus/TCP
Modbus TCP–Schneider Unity Extensions
OASYS (Schneider Electric Telvant)
Schneider TSAA
Schneider NetManage
Schneider Electric / Invensys Foxboro Evo
Foxboro I/A
Trident
TriGP
TriStation
Schneider Electric / Modicon Modbus RTU
Schneider Electric / Wonderware Wonderware Suitelink
SEL FTP
Telnet
Siemens CAMP
PCS7
PCS7 WinCC – Historian
Profinet DCP
Profinet I/O
Profinet Realtime
Siemens PHD
Siemens S7
Siemens S7 - Firmware and model extraction
Siemens S7 – key state
Siemens S7-Plus
Siemens SICAM
Siemens WinCC
Toshiba Toshiba Computer Link
Yokogawa Centum ODEQ (Centum / ProSafe DCS)
HIS Equalize
FA-M3
Vnet/IP

Supported OT protocols for active monitoring

OT sensors support active monitoring for the following protocols:

Scan type Supported protocols Method
Windows event scans - WMI Configure Windows Endpoint Monitoring
DNS lookup scans - DNS Configure reverse DNS lookup

Supported protocols for Enterprise IoT device discovery

Enterprise IoT network sensors can detect the following protocols when identifying assets and devices in your network:

Brand / Vendor Protocols
ALARIS BAXTER
ASHRAE BACnet BACapp
Cisco CDP
IANA SIP
IETF BROWSE
DHCP
DNS
HTTP
LLDP
MDNS
SNMP
SSDP
Medical DICOM
HL7
POCT1
SWARM swarm

Next steps

For more information: