DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareSinobiRansom DemandedActor NamedMedium

Pecan Tree Dental, PLLC

bd_927879faa547e478 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Jan 11, 2026

To disclose

Affected

Not disclosed

Linked

3 filings

Confidence

50%
Full breach record for Pecan Tree Dental, PLLC

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sinobi 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: HealthcareDiscovered: 2026-01-11

Source: Ransomware.live

Post text · scraped from the leak site

Pecan Tree Dental is a dental practice located in Grand Prairie, TX, dedicated to providing comfortable and personalized dental care for families. They offer a comprehensive range of services including preventive, cosmetic, restorative, and emergency dentistry. The practice is accessible to residents of Grand Prairie and its surrounding communities, accommodating various patient needs with amenities and flexible scheduling. Their mission emphasizes community care, involvement in charitable work, and an insurance-friendly approach to dental health.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jan 11, 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 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings

View merged incident ↗
Leak SiteJan 11 · first · this page

Pattern: first filing Jan 11, last Jan 30 (TX) — a 18-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 2025-03-24

sinobi

According to ransomware.live, Sinobi is a private vetted-affiliate RaaS group that emerged in mid-2025, believed to be a rebrand of the Lynx/INC ransomware lineage, claiming 176 victims by end of 2025 through double-extortion attacks primarily against mid-market US organizations via compromised SonicWall VPN credentials.

274 victims claimed globally274 tracked hereFull profile →