DisclosureLens
GLOBALMalwareFinancial ServicesFinanceRansomwareCiphbitRansom DemandedActor NamedMedium

Harmonic Accounting

bd_d349be8a3bba2ef5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 14, 2023

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Harmonic Accounting

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Ciphbit 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: Financial ServicesDiscovered: 2023-09-14

Source: Ransomware.live

Post text · scraped from the leak site

Harmonic Accounting, Tax & Financial Services brings many years of public practice experience to the table. Harmonic Accounting, Tax & Financial Services is committed to the highest level of integrity, quality and professionalism. We have had privilege of serving clients in many different industries and types of businesses. One of our key goals is to provide a wide array and depth of service to all of our clients. There are many services and areas of expertise we are able to provide. We look forward to discussing these in more depth with you. Harmonic Accounting is a progressively growing accounting firm. We continue to grow due to the referrals we receive through word of mouth from our existing clients. If you are in the market for an accountant in Thornhill, Vaughan, Richmond Hill, and Markham or anywhere in the GTA, we are very excited to speak with you and hope to have the chance to serve you in the near future. Please do not hesitate to call or e-mail us with any questions you might have regarding your tax or accounting situation, or anything else. To our existing clients, we would like to thank you for choosing us for your accounting and tax needs.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 14, 2023

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 2023-09-14

ciphbit

According to ransomware.live, CiphBit is a ransomware-as-a-service group active since April 2023, targeting small-to-mid-sized businesses across the UK, Europe, and North America with 38 known victims, employing a data-broker model with selective free leaks to pressure victims alongside standard double extortion.

36 victims claimed globally36 tracked hereFull profile →