Smart Grid Cyber Health Assessment in a Big Bad Data World
An IBM Redguide publication
Published 18 February 2015
IBM Form #: REDP-5185-00
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Authors: Dr. Lisa Sokol, Dr. Steve Chan
We expect our electricity (for heat, air conditioning, and lights), water, and other utilities to be available whenever we want them. But our everyday essentials have become the target of our adversaries. Exacerbating the situation, when a part of the grid fails, we don’t know whether it is from natural causes or the actions of bad actors. Regardless, the failure needs to be fixed.
Despite our diligence in the creation of new electric grid standards, these standards are not sufficient to address the urgent cyber threats and challenges that critical infrastructures now face.
The lack of electric grid standard granularity can result in a failure. There are also several other factors at play:
- Complexity and sophistication of a smart grid
- Large number of electric grid components
- Wide variety of involved actors
- Lack of time stamp standardization among grid components
An assortment of smart grid standards, such as the International Electrotechnical Commission (IEC) and the Institute of Electrical and Electronics Engineers (IEEE), allow a viable approach vector to insert disinformation into the grid via a myriad of threat vectors.
Innovative analytic approaches are required for the detection of one type of threat, known as misinformation or disinformation or astroturfing. This paper proposes a strategy that combines contextual analytics for version verification (current component state, component history, graphical knowledge of grid connectedness, a decay function for impact of other components), predictive modeling, and a computing model assessment using edge computing.
This IBM® Redguide™ publication describes the various issues that can impact the energy grid and provides examples of grid failures. It discusses the value and possibilities of a smart grid and how analytics can play a key role in the overall solution. It also introduces the combination of Irwin technology from Mehta Tech, Inc. and the IBM Watson™ cognitive system, which form a technology stack to monitor the electric grid.
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Table of contents
Components and attributes of the electric grid
What makes an electric grid smart
Pattern and model creation by using historical big data
Continuous smart grid health assessment
Smart grid under cyber attack
Information-based attacks on smart grids
Detecting questionable information veracity
Model assessment under questionable information veracity
The Irwin technology and IBM Watson solution applied to bigger data for a deeper assessment
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