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RansomwareJun 15, 2026

Ransomware Attack Shuts Down Mills of Australia’s Second-Largest Sugar Producer

Ransomware attack by The Gentlemen group disrupts operations at Australia's second-largest sugar producer.

Mackay Sugar, Australia's second-largest sugar producer, has been hit by a ransomware attack attributed to the threat group known as The Gentlemen. The incident forced the company to shut down some of its mills, impacting operations and supply chains. While limited manual operations have resumed at one mill, key systems remain under restoration, and the company is advising growers not to harvest until further notice. The Gentlemen group, tracked by Microsoft as Storm-2697, has claimed responsibility but has not yet leaked any data.

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The lesson from this incident

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Mackay Sugar's ransomware attack by The Gentlemen group demonstrates how cyber incidents can severely impact critical industrial operations and supply chains. The company's inability to quickly restore systems forced mill shutdowns and disrupted the entire sugar production cycle, affecting not just the company but also dependent growers and customers. This incident highlights the critical importance of having robust backup systems and tested incident response procedures for industrial control systems. Without proper recovery capabilities, even temporary shutdowns can cascade into significant economic losses and supply chain disruptions.

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The Gentlemen (threat_actor)Microsoft (vendor)Storm-2697 (product)