Ransomware group HYFLOCK hits tcadarwin
tcadarwin — a other target operating in AU has been listed by the HYFLOCK ransomware group on 2026-11-10. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | tcadarwin |
|---|---|
| Threat Group | HYFLOCK |
| Summary | tcadarwin, a other organization in Australia, was listed by the HYFLOCK ransomware group on its leak site on 2026-11-10. |
| Date of Breach | 2026-11-10 |
| Discovery Date | 2026-11-10 |
| Region | AU |
| Target Domain | tcadarwin.com.au |
| Business Sector | Other |
| Severity | MEDIUM |
Claim by HYFLOCK
https://www.tcadarwin.com.au is the official website of TCA Accountants & Bookkeepers, a firm based in Darwin, Northern Territory, Australia. The company is a reputable and innovative professional accounting, tax, and business growth advisory firm in the local area. The following is a detailed introduction to the company: Company Overview Year established: 2011. Founders: Co-founded and operated by George Giannikouris and Sarah Giannikouris. George has more than ten years of experience in the tax and accounting industry. Positioning: Committed to becoming the preferred financial and accounting services partner for local Northern Territory residents and small and medium-sized enterprises (SMEs), with the core message of “helping clients work smarter and free up more time to do what they love.” Core features: Keeps pace with technological developments and excels at using digital tools (such as cloud-based systems and automation) to optimise businesses’ financial processes. Core Services TCA provides “one-stop” financial management and business improvement solutions, mainly including: Tax & Accounting: Individual and business income tax returns, company tax returns, and tax compliance and planning for sole traders, trusts, and partnerships. Bookkeeping Solutions: Cloud-based bookkeeping (mainly using Xero), payroll management, Single Touch Payroll (STP), day-to-day business account reconciliations, and remote bookkeeping services. Business Improvement & Automation: Assists SMEs in introducing digital systems, achieving paperless invoice scanning and process automation, and helping businesses reduce costs and improve operational efficiency. Data Analytics & Visualisation: Uses tools such as Microsoft Power BI to provide financial data dashboards for businesses, helping management make wiser strategic decisions. Client Base SMEs: Assists them with day-to-day compliance, tax planning, technology consulting, and business growth issues. High-net-worth individuals (HNWIs): Provides asset structuring planning... [The original text is truncated at this point.]
Posted by the HYFLOCK threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
tcadarwin.com.au
Leak post (onion / Tor)
http://yhgphvfgaecacgtlbn67u7yfhafe6evnj4gs4s2oyb3hzjnlhq45azqd.onion/blog/view/1794330789974320871_k64x9YAd
Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.
Disclaimer
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