Number Of Reports Of Ransomware Payments Made In Connection With A Cyber Security Incident Submitted By Entities To The Department Of Home Affairs, Between 30 May 2025 To 24 October 2025 ​

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Between 30 May and 24 October 2025, the Department of Home Affairs received 46 reports from entities with annual turnover of AUD $3 million or more regarding ransomware payments made in connection with cyber security incidents. Reports were submitted monthly as follows: 11 in May-June, 8 in July, 10 in August, 10 in September, and 7 in early October. The disclosure reflects mandatory reporting requirements for significant organisations experiencing ransomware attacks, providing insight into the frequency of extortion-based cyber incidents affecting Australia's larger business entities during this five-month period.