Weekly briefing No. 41 published 4 Oct 2026
Intelligence · Disclosure tracker

Every public disclosure, dated and sourced.

Public breach disclosures from regulators, court filings, company notices and news reporting, each recorded with its date and a link to the original. Updated daily.

5,325
Disclosures in the tracker, all years
2,040
Of those, indexed in 2026
97
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 23 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Worldwide · How they got in

Incidents worldwide, by country.

71 incidents from 11 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.

  1. United States23 Oct 2026Tarter Krinsky & DroginThe source does not say how they got in.HIPAA Journal
  2. United States23 Oct 2026Quest DiagnosticsThe source does not say how they got in.SecurityWeek
  3. United States22 Oct 2026Summit School DistrictThe source does not say how they got in.Vermont Attorney General
  4. United States22 Oct 2026Nordace Limited d/b/a NordaceThe source does not say how they got in.Vermont Attorney General
  5. United States22 Oct 2026Deposition Solutions, LLC (d/b/a Lexitas)The source does not say how they got in.California Attorney General
  6. United States22 Oct 2026Opportune LLPThe source does not say how they got in.California Attorney General
  7. United States22 Oct 2026Transformative Healthcare, LLCThe source does not say how they got in.HIPAA Journal
  8. United States22 Oct 2026American Renal Management LLCThe source does not say how they got in.HIPAA Journal
  9. United States22 Oct 2026Ridgeway Pharmacy LtdHow they got in: a supplier or vendor that was compromised first.HIPAA Journal
  10. United States22 Oct 2026City of Columbia, South CarolinaThe source does not say how they got in.The Record
  11. United States22 Oct 2026RailwayThe source does not say how they got in.TechCrunch
  12. United States21 Oct 2026Critical infrastructure organizations worldwideHow they got in: stolen or reused passwords.BleepingComputer
High1 Jul 2026
Tribeca Festival
Sector not stated · Records not stated
Hundreds of thousands of records and celebrities' contact information exposed in data leak
1 Jul 2026
Critical1 Jul 2026
Charter Spectrum
Technology · 42,000,000 records
4.9M confirmed accounts breached; ShinyHunters claims 42M records stolen
1 Jul 2026
High1 Jul 2026
Partnered Health (Australia)
Healthcare · Records not stated
Personal information and medical details stolen from 21 clinics in cyber-attack
1 Jul 2026
Critical1 Jul 2026
Suno (AI Music Platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts
1 Jul 2026
Critical1 Jul 2026
EY (Ernst & Young)
Finance · Records not stated
Tax records, Social Security numbers, and financial account codes exposed through compromised third-party help-desk platform
1 Jul 2026
High1 Jul 2026
Redtail Technology
Technology · Records not stated
Data breach exposed names, Social Security numbers, and account numbers
1 Jul 2026
Critical1 Jul 2026
Ernst & Young (EY)
Finance · Records not stated
ShinyHunters claimed breach exposing tax client data; vendor breach with 81-day notification delay
1 Jul 2026
Critical1 Jul 2026
Suno (AI music platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company in Augusta, Georgia exposed 1.26M patient records in PEAR ransomware attack
1 Jul 2026
Critical1 Jul 2026
Suno
Technology · 55,000,000 records
Data breach exposed 55 million user accounts at AI music platform
1 Jul 2026
High1 Jul 2026
Unnamed law firm
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company PEAR ransomware attack exposed 1.26M patient records
1 Jul 2026
Critical1 Jul 2026
Japanese Telco (unnamed)
Technology · 12,000,000 records
Cyberattack exposed 12 million customer emails from email management systems
1 Jul 2026
Critical1 Jul 2026
Japanese Telco
Technology · 12,000,000 records
Cyberattack exposed 12 million emails from email system managing customer accounts and webmail services
1 Jul 2026
Critical1 Jul 2026
Medical billing company
Healthcare · 1,260,000 records
Medical billing company exposed 1.26M patient records in PEAR ransomware attack
1 Jul 2026
High1 Jul 2026
Hims & Hers
Healthcare · Records not stated
Patients' medical data allegedly shared with advertisers Meta and Snap without consent
1 Jul 2026
Medium1 Jul 2026
Platinum Technology
Government · Records not stated
Data incident affecting Sangamon County voters, no election system compromise
1 Jul 2026
High1 Jul 2026
Unnamed Law Firm
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey
1 Jul 2026
High1 Jul 2026
Law firm (New Jersey)
Legal · 13,000 records
Hospital records of 13,000 patients exposed in cyberattack
1 Jul 2026
High1 Jul 2026
Tribeca Film Festival
Sector not stated · 666,000 records
666,000 records exposed from unprotected database including celebrity contact data, no encryption
1 Jul 2026
Critical1 Jul 2026
MCBS
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records from medical billing company
1 Jul 2026
High1 Jul 2026
SM Energy
Sector not stated · Records not stated
Breach exposed Social Security numbers and taxpayer ID numbers; notice mailed July 30, 2026
1 Jul 2026
High1 Jul 2026
Thailand Ministry of Finance
Government · Records not stated
Cyber-espionage campaign using autonomous AI agent for unauthorized access
1 Jul 2026
Critical1 Jul 2026
Fairlife
Retail · Records not stated
Anubis ransomware group published 1 TB of stolen data after Coca-Cola refused ransom
1 Jul 2026
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