IOT/OT/SCADA

Industrial Control System (ICS)

Programmable Logic Controllers (PLC)

Human Machine Interface (HMI)

Supervisory Control and Data Acquisition (SCADA)

Distributed Control Systems (DCS)

Safety Instrumented Systems (SIS)

Industrial Control System (ICS)

Programmable Logic Controllers (PLC)

Human Machine Interface (HMI)

Supervisory Control and Data Acquisition (SCADA)

Distributed Control Systems (DCS)

Safety Instrumented Systems (SIS)

Architecture: Modern ICS Architecture

Internet Facing

DMZ

DMZ Firewalls

Core Switches

Vlans

Industrial DMZ

IDMZ firewalls

Purdue Model for ICS Security

https://www.zscaler.com/resources/security-terms-glossary/what-is-purdue-model-ics-security

networking types

Modbus

Ethernet

ControlNet

PROFINET

Architecture: Modern ICS Architecture

Internet Facing

DMZ

DMZ Firewalls

Core Switches

Vlans

Industrial DMZ

IDMZ firewalls

Purdue Model for ICS Security

https://www.zscaler.com/resources/security-terms-glossary/what-is-purdue-model-ics-security

networking types

Modbus

Ethernet

ControlNet

PROFINET

Tenable OT