DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareSarcomaRansom DemandedActor NamedMedium

Advanced Accounting & Business Advisory

bd_58fd5a0a7557e6e9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Oct 9, 2024

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Advanced Accounting & Business Advisory

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sarcoma 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.

Group activity: Business ServicesDiscovered: 2024-10-09

Source: Ransomware.live

Post text · scraped from the leak site

Helping passionate Business Owners achieve their goals doing what they love! What makes us different? We value our relationships with you. Working within a wide range of industries, whether you’re doing business in your gumboots or in the boardroom, we’re eager to help you set and reach your goals. Not everybody gets as excited about numbers as us, that’s why we’re here. You take care of your business and we’ll account for the numbers. We’re not going to try to impress you with flashy lingo, if you just want to hear it in plain English, then we’re happy to talk your language. Advanced Accounting’s diverse team brings a lot to the table so we’ve got the experience needed to understand your particular business. We take into account your needs and tailor a package that’s perfectly balanced for you.Geo: New Zealand - Leak size: 115 GB Archive - Contains: Files

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 9, 2024

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

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.

About this groupFirst seen 2024-07-09

sarcoma

According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.

141 victims claimed globally141 tracked hereFull profile →