Cyberattack Halts Operations at Major Queensland Sugar Mills

• •Mackay Sugar's mills were shut down due to a sophisticated cyber attack.
• •The incident is impacting hundreds of growers, risking significant economic losses.
• •Investigation is ongoing to determine the nature of the attack, including possible ransomware.

A cyber attack has disrupted operations at Mackay Sugar's Farleigh and Racecourse mills in North Queensland, forcing their closure just as the critical sugar harvesting season begins. The incident has left hundreds of growers and contractors unable to operate, with economic losses estimated at AUD 5 million per day. The nature of the attack is under investigation, with authorities examining whether it was a ransomware attempt or state-sponsored sabotage. Mackay Sugar has engaged cybersecurity experts to assess the damage and restore operations, but no timeline for recovery has been provided. The attack underscores vulnerabilities in agricultural supply chains increasingly reliant on digital infrastructure.