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Man‐in‐the‐middle attacks and defence in a power system cyber‐physical testbed

Journal Article · · IET Cyber-Physical Systems: Theory & Applications
DOI:https://doi.org/10.1049/cps2.12014· OSTI ID:1798924
 [1];  [2];  [2];  [2];  [1];  [2];  [3]
  1. Electronics Systems Engineering Technology Texas A&,M University College Station TX USA
  2. Electrical and Computer Engineering Texas A&,M University College Station TX USA
  3. Electrical and Computer Engineering Rutgers University New Brunswick NJ USA
Abstract

Man‐in‐The‐Middle (MiTM) attacks present numerous threats to a smart grid. In a MiTM attack, an intruder embeds itself within a conversation between two devices to either eavesdrop or impersonate one of the devices, making it appear to be a normal exchange of information. Thus, the intruder can perform false data injection (FDI) and false command injection (FCI) attacks that can compromise power system operations, such as state estimation, economic dispatch, and automatic generation control (AGC). Very few researchers have focused on MiTM methods that are difficult to detect within a smart grid. To address this, we are designing and implementing multi‐stage MiTM intrusions in an emulation‐based cyber‐physical power system testbed against a large‐scale synthetic grid model to demonstrate how such attacks can cause physical contingencies such as misguided operation and false measurements. MiTM intrusions create FCI, FDI, and replay attacks in this synthetic power grid. This work enables stakeholders to defend against these stealthy attacks, and we present detection mechanisms that are developed using multiple alerts from intrusion detection systems and network monitoring tools. Our contribution will enable other smart grid security researchers and industry to develop further detection mechanisms for inconspicuous MiTM attacks.

Sponsoring Organization:
USDOE
Grant/Contract Number:
OE0000895
OSTI ID:
1798924
Alternate ID(s):
OSTI ID: 1862418
Journal Information:
IET Cyber-Physical Systems: Theory & Applications, Journal Name: IET Cyber-Physical Systems: Theory & Applications Journal Issue: 3 Vol. 6; ISSN 2398-3396
Publisher:
Institution of Engineering and Technology (IET)Copyright Statement
Country of Publication:
United Kingdom
Language:
English

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