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Plaza Dental Group

listed as Plazadental · Claimed by Obscura · listed 10 months ago

10m
Age
since listed · data leaked

Status timeline

  1. ListedSep 5, 2025
  2. Data leakeddate unknown

At a glance

Group
Obscura
Status
Data leaked
Country
United States
Sector
Healthcare
Listed on leak site
Sep 5, 2025

About the victim

AI dossier — public-source company profile

Plaza Dental Group is a dental clinic located in San Jose, California, offering a broad range of dental services including general, cosmetic, restorative, orthodontic, and specialized care. The practice is led by Dr. Bangalore and serves individual and family patients in the San Jose area. The office is scheduled to close on March 12, 2026.

Industry
Dental Healthcare Services
Address
4205 San Felipe Road, Suite 200, San Jose, CA

Attack summary

Severity: critical — The victim is a healthcare provider (dental clinic) in the US; data_published status confirms exfiltration occurred. Dental records constitute protected health information (PHI) under HIPAA, representing regulated sensitive medical and personal data at scale.

The ransomware group Obscura claims to have attacked Plaza Dental Group and has published data (disclosed status: data_published), indicating exfiltration of patient and business records from the dental clinic. No ransom amount was stated and no specific data volume was disclosed in the post.

critical

Data the group says was taken

AI dossier — extracted from the leak post
  • Patient dental records
  • Patient personal information
  • Insurance and financial records
  • Contact and appointment information

What the group claims

Dental clinics in San Jose

Sources

Source

Indexed 10 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About obscura

Obscura is a recently emerged ransomware group that was first observed in September 2025, operating with apparent financial motivations based on their targeting patterns across multiple sectors and geographic regions. The group has compromised at least 33 known victims since their emergence, demonstrating rapid operational capabilities despite their recent entry into the ransomware landscape. Limited public documentation exists regarding their country of origin, operational structure, or affiliations with established ransomware families, though their targeting pattern suggests either opportunistic attacks or access to diverse initial compromise vectors. Their victim profile spans multiple sectors including healthcare, technology, manufacturing, and construction, with geographic focus on the United States, Malaysia, Portugal, Egypt, and Denmark, indicating either broad targeting criteria or access to varied attack infrastructure across different regions. Due to the group's recent emergence and limited public reporting from major security vendors and law enforcement agencies, specific details regarding their technical capabilities, encryption methods, data exfiltration practices, or ransom demands remain undocumented in open-source intelligence. The group appears to remain active as of late 2025, though insufficient time has elapsed to determine their long-term operational sustainability or potential law enforcement attention. The group has been linked to 33 public disclosures across our corpus. First observed on a leak site on September 5, 2025; most recent post January 11, 2026. The operation is currently active.

Timeline of this disclosure

  • September 5, 2025Plazadental listed by obscuraon the group's public leak site

Other recent disclosures by obscura

obscura has been linked to 33 public victims on Darkfield. A sample of the most recent:

See the full obscura dossier →

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 2,600 disclosures indexed across all operators we track. Geographically, Plazadental is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by obscura means Plazadental appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
  • Monitor for the data appearing on obscura's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.