Regis Resources is a major gold mining company headquartered in Western Australia that has operated in the Duketon Greenstone Belt for decades. The company recently came under scrutiny after its subsidiary, McPhillamys Gold, appeared on a dark web leak site associated with the Lynx ransomware group. This listing suggested a significant cyber security breach had occurred, as the group posted the names and titles of several high-ranking company executives as proof of their access.
In response to the claims, Regis Resources confirmed they detected an intrusion in mid-November 2025. The company explained that their security protocols functioned as intended by automatically restricting system access to contain the threat. They characterized the event as part of the routine scanning and attempted intrusions that large organizations face daily, noting that their layered defense systems are specifically designed to isolate and neutralize such threats to protect sensitive data.
A subsequent forensic investigation conducted by the mining firm indicated that the attackers were unsuccessful in exporting any company data. Regis Resources also clarified that they have received no ransom demands following the incident. Because the threat was contained quickly, the company reported that there was no impact on its commercial activities or physical mining operations, and the relevant authorities were notified of the breach according to standard procedure.
The group claiming responsibility, Lynx, is a relatively new player in the ransomware landscape, having recorded its first victim in mid-2024. Despite its short history, the group has been linked to nearly 400 victims according to industry trackers. Lynx attempts to distinguish itself from other cybercriminal organizations by claiming to follow an ethical code, stating that they avoid targeting government institutions, healthcare facilities, and non-profit organizations to prevent societal harm.
The hackers describe their methodology as one focused on dialogue and financial gain rather than total destruction. They claim to prefer constructive problem-solving with their targets over causing organizational chaos. However, the presence of Regis Resources on their leak site highlights the ongoing risks faced by the natural resources sector, even when a company’s internal safeguards successfully prevent data exfiltration or operational downtime.
Source: Major Australian Gold Producer Confirms Cyber Attack



The detail about Lynx claiming an "ethical code" while still hitting corporate targets is fascinating in a darkly ironic way. Reminds me of some ransomeware crews I read about last year that avoided hospitals but had zero qualms hitting pharma supply chains. The real interesting bit here is that Regis contained it so fast the breach became almost a non-event operationaly, which says something about mature defense layering actually working when its set up right.