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Recent Breaches › GC Dental Listed by spacebears Ransomware Group

HIGH severityUnverified claimHow we verify

GC Dental Listed by spacebears Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·December 18, 2025
GC Dental Listed by spacebears Ransomware Group

Reported December 18, 2025.

HIGH
Severity
December 18, 2025
Disclosed
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GC Dental was listed by the spacebears ransomware group on December 18, 2025, after internal files were exfiltrated in a ransomware attack affecting an undisclosed number of individuals. Anyone who may have been a patient or employee of GC Dental should check for official notices and consider monitoring their accounts and personal information.

Severity & verification
HIGH severityUnverified claim
Data types not itemised.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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On December 18, 2025, the ransomware group spacebears listed GC Dental on its leak site. The entry states that internal files were exfiltrated during a ransomware attack on the dental practice. The number of people affected has not been disclosed, and no further details on the volume or contents of the material have been made public.

What happened

The incident involves GC Dental, a dental practice based in Hurstville. According to the listing, files were taken from the organisation’s systems in the course of a ransomware operation. The reported summary refers to a database containing personal data of patients. No confirmation of the listing’s accuracy has been issued by GC Dental, and the exact timing of the intrusion, the method of initial access, and the scale of the data removal remain undisclosed.

The group behind it: spacebears

Spacebears is a ransomware operator that maintains a public leak site to post information about organisations it claims to have targeted. Groups of this type commonly employ double-extortion methods, in which data is copied before encryption and then used as leverage. The listing of GC Dental constitutes the group’s claim that material was obtained from the practice; independent verification of that claim has not been provided in the available information.

Who is GC Dental?

GC Dental operates as a dental clinic in Hurstville, with services provided by dentists Dr George Chammas and Dr Mita Dahal. The practice delivers routine examinations, cosmetic procedures and restorative treatments. Dental clinics routinely collect and store patient identifiers, medical histories, treatment records and contact information in electronic systems to support clinical care and administrative functions.

What was likely exposed

The listing names internal files and a database of patient personal data as having been removed. Specific categories of information, file counts or sample contents have not been released. Organisations in this sector typically hold names, dates of birth, addresses, contact details, medical and dental histories, insurance information and appointment records. The precise data elements involved in this case are unconfirmed beyond the general description provided in the listing.

The real-world impact

Exposure of patient records can create privacy concerns for individuals whose information appears in the material. Possible downstream effects include attempts at identity misuse or unwanted contact. For the organisation, the incident may require forensic review, notification processes and adjustments to security controls. The absence of Reported Details on the number of records or their sensitivity limits the precision with which these risks can be quantified at present.

If your data was in this claimed breach

Individuals who have received treatment at GC Dental can monitor their financial accounts and credit reports for unusual activity. Changing passwords for any patient portals and enabling multi-factor authentication on associated email accounts are standard precautions. A free exposure scan of an email address against known breach datasets can indicate whether the address has appeared in previously published records; such scans do not cover every incident and should be treated as one data point among others.

AICompiled with AI assistance from public sources and published under our editorial standards.

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

Attributed to

Method

CompanyGC Dental security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See GC Dental’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by spacebears — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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