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
fairlife (Coca-Cola)
Retail · Records not stated
Ransomware attack shut down dairy operations
1 Jul 2026
High1 Jul 2026
Cyberattack on law firm
Legal · 13,000 records
Cyberattack on law firm exposed hospital records for nearly 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.
1.26 million patients exposed in PEAR ransomware attack on medical billing system
1 Jul 2026
Critical1 Jul 2026
Coca-Cola (fairlife)
Retail · Records not stated
Ransomware attack shut down dairy operations
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; 1.26 million patient records exposed in PEAR ransomware attack
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack on healthcare billing company
1 Jul 2026
High1 Jul 2026
River Bank & Trust
Finance · Records not stated
Data stolen in ransomware attack; hackers confirmed data deletion
1 Jul 2026
High1 Jul 2026
Law firm (unnamed)
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey to hackers
1 Jul 2026
Critical1 Jul 2026
Instructure Canvas
Education · Records not stated
Supply chain breach generated 58% of 2026 breach notices
1 Jul 2026
Critical1 Jul 2026
Coldcard
Technology · Records not stated
Data breach at Toronto bitcoin hardware wallet company; over $100M in bitcoin stolen
1 Jul 2026
High1 Jul 2026
Exact Sciences/Abbott Diagnostics
Healthcare · Records not stated
Data breach exposed sensitive patient information from at-home diagnostic tests
1 Jul 2026
High1 Jul 2026
Partnered Health (Australian Healthcare)
Healthcare · Records not stated
Personal information and medical details stolen from 21 clinics in cyber-attack
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack on billing/practice management
1 Jul 2026
High1 Jul 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Employee social security numbers and personal data exposed in healthcare advocacy vendor breach
1 Jul 2026
Critical1 Jul 2026
Tata Electronics
Technology · Records not stated
630GB data breach targeting Apple and Tesla supplier documents
1 Jul 2026
High1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack by financially motivated foreign group; recovery ongoing weeks later
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack; healthcare billing company
1 Jul 2026
Critical1 Jul 2026
Coinkite (Coldcard)
Finance · Records not stated
Data breach exposed over $100M worth of bitcoin-related information
1 Jul 2026
High1 Jul 2026
Law firm (unidentified)
Legal · 13,000 records
Hospital records of 13K patients exposed in cyberattack on New Jersey law firm
1 Jul 2026
High1 Jul 2026
AnMed
Healthcare · Records not stated
Cyberattack affected nonprofit health system; 10 facilities remain closed
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on medical billing company
1 Jul 2026
High1 Jul 2026
LVM
Government · Records not stated
Latvia's state-owned forestry company still restoring systems weeks after ransomware attack by foreign group
1 Jul 2026
High1 Jul 2026
T-Mobile
Technology · Records not stated
Data breach of Washington customers; violated breach notification law
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack
1 Jul 2026
Were you affected?