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Tuesday, 24 July 2018 20:02

Warnings of rising security threat to utilities Featured

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Warnings of rising security threat to utilities Image courtesy of Stuart Miles at FreeDigitalPhotos.net

Increasing complexity within the monitoring and control core infrastructures of Australia’s utility operators may make them more susceptible to cyber attacks that could cause widespread disruption across the country, according to a warning from industry experts.

Speaking during an industry round-table discussion in Sydney on cybersecurity in the utilities sector, Ivan Fernandez, industry director at analyst firm Frost & Sullivan, said that for electricity generators and distributors, complexity is being created by the growing number of small producers feeding power into the grid.

According to Fernandez, the output from wind farms and solar arrays must be carefully monitored and controlled to ensure that they do not have a detrimental impact on stability. However, this control may well be the subject of cyber attacks.

“In the area of water supply, the growing number of sensors and automated controls is leading to more interconnected grids. Operators must juggle the challenges of maintaining supply and efficiency with preventing cyber attacks against essential infrastructure.

“What we are talking about is a rapidly increasing attack surface for cybercriminals. Infrastructures which, until now, have operated in isolation are being connected in ways never before imagined.”

Fernandez cites Energy Networks Australia and the CSIRO estimates that more than 40% of customers would have adopted on-site generation by 2027.

“In addition, the mainstreaming of smart meters opens up more security issues that will need to be addressed,” he warns.

In the water sector, Fernandez says water providers are increasingly shifting to decentralised treatment plants, more complex recycling and resource-recovery systems, as well as smart water meters – all of which require increasing levels of connectivity for monitoring and control.

“We are likely to see a rising number of cyberattacks directed at the SCADA systems that sit at the heart of these infrastructures,” he says. “They will be open to threats with which they were never designed to withstand. It’s a clash between traditional operational technology and new information technology.”

And another industry executive, Giovanni Polizzi, Energy Solutions Manager at technology company, Indra, says the challenge of implementing effective security is becoming even greater with the emergence of the Internet of Things.

“You have a growing number of devices across the utility infrastructure that have never before been connected to the internet,” he says. “This may create security issues as it opens new opportunities for cyber criminals to launch attacks.”

According to Polizzi, operators of OT systems need to “look to the IT world to understand the types of preventive security measures they need to put in place”.

“A close collaboration between IT and OT teams is the best way to understand the challenges being faced and the steps required to overcome them, but also a great opportunity to strengthen the security of the entire infrastructure, IT and OT,” Polizzi says.

Urgent action is required to address security issues in the utility sector, according to Phil Kernick, chief technology officer at CQR Consulting, who says the cyber security challenges within utilities are not something that will emerge in the future, but need to be addressed immediately.

“Overall, security in this area is not being done well right now,” he says. “It tends to be managed by control engineers who have limited experience in the area, and this is a situation that needs to be addressed as quickly as possible.”

Kernick says an economic imperative needs to be found for utility operators to get their cybersecurity up to scratch because, at the moment, this doesn’t exist.

“Utility companies are profit driven and so why should they be expected to volunteer to spend more on IT security? There could be an argument that this is a situation where government needs to step in and wield a big regulatory stick.”

Carsten Rudolph, Associate Professor at Monash University and director, Oceania Cyber Security Centre, told the conference that while high-profile cyber attacks tend to gain the most attention from those in the sector, “this is not where the minds of management should be focused”.

“Utility companies need to be focused on identifying and putting in place the necessary protective mechanisms that will counter the threats,” he says. “Operators also need to be able to identify attacks as soon as they occur and undertake remediation. It’s not realistic to expect to be able to build totally secure infrastructures, so being able to react quickly is vital.”

And Scott Robertson, vice-president, Asia Pacific and Japan at security company, Zscaler, sounded a relatively positive note, saying that while the security challenge can appear somewhat daunting, tackling the issue of cyber security doesn’t have to be a difficult process for utility companies.

“We are certainly not saying that they have to triple their spending on security measures,” he says. “Tools already exist that allow preventive measures to be put in place quickly and effectively. It’s a matter of establishing where the threats exist and selecting the best tools for the job.”

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