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.

5,362
Disclosures in the tracker, all years
2,076
Of those, indexed in 2026
136
Added in October
19
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 28 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.

75 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. Singapore22 Oct 2026GenesysThe source does not say how they got in.The Hacker News
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
High1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Personal information of current and former employees accessed in data breach
1 Aug 2026
High1 Aug 2026
Preferred Parking
Retail · Records not stated
Customer credit card information exposed in data breach
1 Aug 2026
Critical1 Aug 2026
LiteLLM
Technology · Records not stated
Supply chain attack exposed 2,500+ companies and 434,000+ CI/CD pipelines, largest AI supply chain breach of 2026
1 Aug 2026
High1 Aug 2026
CEVA Logistics
Technology · Records not stated
Steam hardware shipper leaked customer names, addresses, and order data for Valve
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected in third-largest U.S. healthcare hack ever
1 Aug 2026
High1 Aug 2026
Forrestall CPAs
Legal · Records not stated
Social Security numbers and personal data breached, class action lawsuits filed
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
High1 Aug 2026
Police National Legal Database
Government · Records not stated
Data theft confirmed: 135,000 contact records leaked on dark web by ExfilSquad after Department for Education hit
1 Aug 2026
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