Editor Notes: Reconstructing the reported timeline of events: (1) Between 03/12/2025 and 03/15/2025, a former contractor of the NSW Reconstruction Authority (RA) reportedly uploaded a Microsoft Excel spreadsheet containing personal and health information of Resilient Homes Program applicants to the ChatGPT. (2) The RA later identified the upload and initiated a forensic investigation in coordination with Cyber Security NSW to determine scope and exposure. (3) By 10/2025, the Authority completed preliminary analysis, confirming that up to 3,000 people may have been affected and that no evidence of external access had been found. (4) On 10/06/2025, the NSW Reconstruction Authority publicly disclosed the incident, notified the NSW Privacy Commissioner, and issued new internal guidance restricting the use of unauthorized AI platforms. (5) An independent review into the cause and handling of the breach is ongoing.