DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareBeastRansom DemandedActor NamedData ExfiltratedData Leak ThreatenedData PublishedHigh

Orthopaedic Specialists of Massachusetts

bd_f8aa3988cf4661db · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Jan 17, 2026

To disclose

—

Affected

Not disclosed

Linked

5 records

Confidence

50%
Full breach record for Orthopaedic Specialists of Massachusetts →3 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Beast 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: HealthcareClaimed data size: 300GBDiscovered: 2026-01-21

Source: Ransomware.live

Post text · scraped from the leak site

Orthopaedic Specialists of Massachusetts provides superior orthopaedic and sports medicine care through a team of expert surgeons and physicians. Their services include surgical and non-surgical treatments for a variety of orthopaedic issues, such as arthroscopic surgery, joint replacements, and sports medicine. With locations in Norwood, Milton, and Sandwich, MA, they cater to patients of all ages and offer expedited appointments. The practice is dedicated to delivering compassionate care and improving patients' health and quality of life.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jan 17, 2026

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 5 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Massachusetts State AGJun 12 · first
New Hampshire State AGJun 12 · first
Vermont State AGJun 12 · first

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.

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 2023-12-19

beast

According to ransomware.live, Beast is a Ransomware-as-a-service (RaaS) product which provides functionality such as SMB scanning, file encryption, service and process starting and stopping, and geographic identification to avoid encryption in CIS countries.

73 victims claimed globally73 tracked hereFull profile →