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.

5,302
Disclosures in the tracker, all years
2,017
Of those, indexed in 2026
68
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 20 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.

65 incidents from 12 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. Germany6 Oct 2026Wikimedia FoundationHow they got in: automated AI tools that work through many organizations at once.The Hacker News
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
ShinyHunters stole 284 million records including PII and PHI from healthcare distributor
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack forced 10 facilities to remain closed, prolonged recovery affecting operations
1 Aug 2026
High1 Aug 2026
Coca-Cola/Fairlife
Retail · Records not stated
Data breach resulting from ransomware attack on dairy products subsidiary Fairlife
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Patient health data and proprietary company IP stolen from cloud environment
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach affected 9.5 million patients at Birmingham-based healthcare technology company
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Data breach exposed medical conditions and Social Security numbers of 2.8 million people
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
Data theft confirmed: 135,000 contact records leaked on dark web by ExfilSquad
1 Aug 2026
Critical1 Aug 2026
Berlin State Government
Government · Records not stated
Rhysida ransomware attack confirmed with 5.79TB of data theft
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Data breach targeting financial firms, personal information stolen by hackers
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
Data breach: 284 million records stolen including PII and PHI from oncology/medical-surgical customers
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Cyberattack caused facility closures and limited operations at nonprofit health system
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Data breach exposed medical conditions, Social Security numbers of 2.8M people nationwide
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
Data theft confirmed after dark web leak; ExfilSquad claimed 135,000 contact records
1 Aug 2026
Critical1 Aug 2026
Berlin State Government
Government · Records not stated
Rhysida ransomware attack confirmed data theft of 5.79TB from state government systems
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Data breach where hackers stole personal information from asset manager
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
Data breach with 284 million records stolen including PII and PHI by ShinyHunters via third-party apps
1 Aug 2026
High1 Aug 2026
ATF
Government · Records not stated
Cyber incident confirmed after Qilin ransomware group claimed attack on US Bureau of Alcohol, Tobacco, Firearms and Explosives
1 Aug 2026
High1 Aug 2026
Coca-Cola/Fairlife
Retail · Records not stated
Data breach from ransomware attack on dairy subsidiary Fairlife
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,750,000 records
Personal and medical information of 3.75 million people stolen by hackers
1 Aug 2026
Critical1 Aug 2026
French Tax Authority
Government · Records not stated
Personal and tax information of 670,000 French taxpayers stolen and offered online
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
Medical records of 3.7 million patients stolen in cyberattack
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
Data theft with 135,000 contact records leaked on dark web
1 Aug 2026
Critical1 Aug 2026
Thailand Digital Ministry
Government · Records not stated
221 million exposed login records from state systems identified
1 Aug 2026
Critical1 Aug 2026
Winnipeg Health Sciences Centre
Healthcare · Records not stated
Ransomware attack disrupting hospital operations and recovery ongoing
1 Aug 2026
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