YYC Advisors
bd_167d84824b855f32 · schema v1 · pii pii-v2
Full breach record for YYC Advisors →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Hyflock on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
YYC Advisors (YYC Group) is a long-established local accounting and comprehensive business consulting group in Malaysia, focusing on a "one-stop" service for tax + audit + business advisory. It mainly serves SMEs and growing companies and also deals with cross-border expansion, M&A succession, and digital software. 1. Basic Overview Founded: 1974, by Yap Seong Fatt, starting from a single table in Pudu, Kuala Lumpur Headquarters: No.32 & 34, Lorong Thambi 2, off Jalan Brunei, 55100 Kuala Lumpur, Malaysia; Phone: +603‐9078‐2868 Size: According to the official site, 1,100+ employees, serving 20,000+ clients, conducted 7,000+ training sessions; offices cover major Malaysian cities like Kuala Lumpur, Selangor, Penang, Johor Bahru, as well as Singapore, and some sources mention Hong Kong Position: One of the top ten local accounting firms in Malaysia, with a focus on the SME market Capital background: In 2019, OCBC Bank invested in its non-audit business; later, it reached a strategic investment/growth partnership with Singapore's SeaTown Private Capital for professional services M&A expansion in Southeast Asia Website: yycadvisors.com 2. Core Services (by line) Tax: Corporate/personal tax compliance and planning, SST, transfer pricing, tax audits and investigation responses, Malaysia e-invoicing (MyInvois/e-Invoice) implementation Audit & Accounting: YYC & Co PLT licensed audit; outsourced bookkeeping, cloud accounting (Xero, etc.), financial statements, payroll outsourcing Corporate & Business Advisory: Company registration/company secretary, M&A, deal structuring, financial due diligence, business valuation, IPO support, internal audit, market research, business succession Digital Software: emplX (HR/payroll cloud), Smart New Retail (retail/F&B POS), cloud ERP related Training & Membership: Winning Strategy Academy, taxPOD (tax subscription/live streaming/micro-courses)
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Sep 9, 2026
Claim posted
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.