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Cyber security risk to smart grids and intelligent buildings

Date:
August 13, 2012
Source:
Taylor & Francis
Summary:
Building owners and designers, and particularly members of the building services industry, are racing to implement intelligent buildings and smart grids, which are widely heralded as a boon in terms of both energy efficiency and facilities management. But many are overlooking the potential risk of malicious attacks on these highly networked control systems.

Building owners and designers, and particularly members of the building services industry, are racing to implement intelligent buildings and smart grids, which are widely heralded as a boon in terms of both energy efficiency and facilities management. But many are overlooking the potential risk of malicious attacks on these highly networked control systems.

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Writing in the latest issue of the journal Intelligent Buildings International, David Fisk of the Laing O'Rourke Centre for Systems Engineering and Innovation at Imperial College London warns that, as we have seen with the humble PC, the basic building blocks of intelligent buildings -- the process controllers that make up the distributed building management system (BMS) -- can be infected by malware, often through a 'backdoor' left ajar on a trusted network.

David Fisk notes that: "… the basic system -- for example, the bare minimum standby generators -- should normally be independent of the intelligent-building software (much as a warship still carries a sextant should the GPS be jammed)." And he warns:

"This is not current practice as far as can be discerned from existing ASHRAE and CIBSE standards."

Fisk's article, 'Cyber security, building automation, and the intelligent building' begins with a short history of the rise in intelligent control -- from the 1960s, when the only real threat was an irate engineer armed with a hammer, through the movement away from bespoke hardware and software to proprietary software such as the ubiquitous Windows system during the 1980s, to the post-9/11 emergence of the anonymous cyber-aggressor.

The middle section of the article then presents a review of a more recent attack, now known as Stuxnet, which demonstrated the wide-ranging havoc that could be caused by malicious software infecting plant controllers. This section also explains how such attacks now present a threat to the 'smart grid' and other open systems.

Finally, the article discusses how risks may be assessed and mitigated, using a hypothetical attack on the heating, ventilation and air-conditioning (HVAC) systems of a super-casino to illustrate the urgent need for the building systems design community to re-think traditional security strategies. As a minimum, building services professionals should deploy a 'whole-system design approach' and owners should plan for periods during which 'intelligence' is not available.


Story Source:

The above story is based on materials provided by Taylor & Francis. Note: Materials may be edited for content and length.


Journal Reference:

  1. David Fisk. Cyber security, building automation, and the intelligent building. Intelligent Buildings International, 2012; 1 DOI: 10.1080/17508975.2012.695277

Cite This Page:

Taylor & Francis. "Cyber security risk to smart grids and intelligent buildings." ScienceDaily. ScienceDaily, 13 August 2012. <www.sciencedaily.com/releases/2012/08/120813115448.htm>.
Taylor & Francis. (2012, August 13). Cyber security risk to smart grids and intelligent buildings. ScienceDaily. Retrieved December 18, 2014 from www.sciencedaily.com/releases/2012/08/120813115448.htm
Taylor & Francis. "Cyber security risk to smart grids and intelligent buildings." ScienceDaily. www.sciencedaily.com/releases/2012/08/120813115448.htm (accessed December 18, 2014).

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