Gregory Jewellers Data Breach – Kairos Ransomware Claims 574GB

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In April 2026, the Kairos ransomware group claimed responsibility for breaching Gregory Jewellers, an Australian family-owned luxury jewellery retailer, alleging it stole roughly 574GB of data and listing the company on its dark web leak site. In this episode of Tech Talks with Kinsoft, we cover what the attackers say they took — client personal information, internal corporate records and customer details — how Kairos has been targeting Australian organisations, and the company's response as it works with specialists and notifies authorities and affected customers.

Concerned about ransomware and data theft in your business? Visit www.kinsoft.com.au to talk through your security and IT needs.

Sources: Cyber Daily.