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Investigations into the cyber incident it suffered back in August have shown no signs of malicious activity, according to Australian critical infrastructure and software supplier Energy One.
The incident, which led to its corporate systems across Australia and the UK being compromised, was first detected on August 18.
The incident also saw the personal information of some of its former and current employees breached.
In a statement issued by the company last week, Energy One has said that its analysis of the incident has been largely completed.
“Energy One customer systems continue to operate as normal and have not been impacted by the incident,” it said in an ASX announcement issued on September 29.
“Ongoing monitoring by Energy One and CyberCX has continued since the cyber incident was first identified and has not uncovered any evidence of malicious activity on these customer systems.
“The investigations by Energy One and CyberCX with respect to Energy One’s corporate systems have now largely been completed.”
The company said that as it had previously revealed, some of the personal details belonging to both former and current employees have been compromised, and that it has begun notifying those affected.
“Where an employee has been notified that data has been compromised, support services are made available to the employee including (where available) access to external expertise in identity protection, credit monitoring and document replacement cost assistance.”
The company added that it has discovered that some customer contractual and related information was also compromised, and that those customers are being contacted.
That being said, Energy One has said that its investigations have shown no evidence that customer systems themselves have been affected.
Energy One is a critical infrastructure provider responsible for supplying energy trading software and services to wholesale energy, carbon trading and environmental markets worldwide.
The company said it “has become a new global force in the renewable energy transition, thanks to the development of innovative solutions to help serve that market”.
Serving customers across Australia, the UK, Europe and the Asia-Pacific region, the company’s solutions are designed to assist customers in managing risk when trading on the wholesale energy market.