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Intelligent Electronic Device (IED)

An Intelligent Electronic Device (IED) is a type of specialized field device that is designed to perform specific operational functions, frequently for protection, monitoring, or control within the electric sector. IEDs are typically used to both acquire telemetry and execute tailored control algorithms/actions based on customizable parameters/settings. An IED is usually implemented as a dedicated embedded device and supports various network automation protocols to communicate with RTUs and Control Servers.

ID: A0005
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Platforms: Embedded
Sectors: Electric
Version: 1.0
Created: 28 September 2023
Last Modified: 04 October 2023
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Related Assets

Name Sectors Description
Protection Relay Electric

A protection relay is a type of IED used within the electric sector to monitor for faults or problematic operating conditions on power lines, busses, or transformers. While traditionally protection relays were electromechanical or electromagnetic devices, modern relays utilize microprocessors, embedded operating system, and SCADA communications.
Field Device / Controller

IEDs may be referred to as Field Controllers or Field Devices as a general function name.

ICS Layer
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Techniques

Domain ID Name
ICS T0800 Activate Firmware Update Mode
ICS T0830 Adversary-in-the-Middle
ICS T0878 Alarm Suppression
ICS T0803 Block Command Message
ICS T0804 Block Reporting Message
ICS T0805 Block Serial COM
ICS T0806 Brute Force I/O
ICS T0892 Change Credential
ICS T0885 Commonly Used Port
ICS T0884 Connection Proxy
ICS T0809 Data Destruction
ICS T0812 Default Credentials
ICS T0814 Denial of Service
ICS T0816 Device Restart/Shutdown
ICS T0871 Execution through API
ICS T0820 Exploitation for Evasion
ICS T0890 Exploitation for Privilege Escalation
ICS T0866 Exploitation of Remote Services
ICS T0874 Hooking
ICS T0872 Indicator Removal on Host
ICS T0838 Modify Alarm Settings
ICS T0836 Modify Parameter
ICS T0801 Monitor Process State
ICS T0834 Native API
ICS T0840 Network Connection Enumeration
ICS T0842 Network Sniffing
ICS T0861 Point & Tag Identification
ICS T0846 Remote System Discovery
ICS T0888 Remote System Information Discovery
ICS T0847 Replication Through Removable Media
ICS T0848 Rogue Master
ICS T0851 Rootkit
ICS T0881 Service Stop
ICS T0856 Spoof Reporting Message
ICS T0869 Standard Application Layer Protocol
ICS T0862 Supply Chain Compromise
ICS T0857 System Firmware
ICS T0855 Unauthorized Command Message
ICS T0859 Valid Accounts