DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareBeastRansom DemandedActor NamedData ExfiltratedHigh

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 filings

Confidence

50%
Full breach record for Orthopaedic Specialists of Massachusetts3 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

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

Claim → filing

Compliance clock

Not assessable

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 3 states

View merged incident ↗
Leak SiteJan 17 · first · this page

Pattern: first filing Jan 17, last Jun 12 (VT) — a 146-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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 →