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.

5,306
Disclosures in the tracker, all years
2,020
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. United Kingdom16 Oct 2026Southville Primary School (Bristol City Council area)The source does not say how they got in.Hits Radio (West of England)
  2. United Kingdom13 Oct 2026TFG LondonThe source does not say how they got in.BleepingComputer
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Unauthorized access to healthcare systems, patient data theft by Shiny Hunters
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment, stole patient health data and proprietary company data
1 Aug 2026
High1 Aug 2026
Brinks Home
Technology · Records not stated
Breach confirmed with 4.9 million Salesforce records stolen by ShinyHunters and threatened for publication
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Cyberattack on nonprofit health system forced facility closures and prolonged recovery operations
1 Aug 2026
High1 Aug 2026
ATF
Government · Records not stated
Qilin ransomware group targeted agency in confirmed cyber incident
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Unauthorized access to cloud environment; ShinyHunters claimed patient data theft
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health data and IP
1 Aug 2026
High1 Aug 2026
Carhartt
Retail · Records not stated
ShinyHunters stole and published customer data after $3.3M ransom demand
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach exposed sensitive health information of 9.5 million patients
1 Aug 2026
High1 Aug 2026
GP Network
Healthcare · Records not stated
Healthcare sector breach exposed patient records which reached the dark web.
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Nonprofit health system cyberattack caused prolonged facility closures and limited operations
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Asset manager suffered data breach with personal information stolen by hackers targeting financial firms
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
284 million records including PII and PHI stolen by ShinyHunters
1 Aug 2026
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack affected healthcare operations, facilities closed for extended recovery
1 Aug 2026
Critical1 Aug 2026
Veradigm
Healthcare · 3,500,000 records
3.5M patient records stolen by Gentlemen ransomware gang
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
9.5M patient health records exposed
1 Aug 2026
Critical1 Aug 2026
IDScan.net
Sector not stated · Records not stated
1.1 million Canadian records leaked including 470,000+ Ontario driver's licenses
1 Aug 2026
Critical1 Aug 2026
Manchester Airports Group
Sector not stated · 8,700,000 records
Cyberattack exposed customer data of 8.7 million individuals
1 Aug 2026
High1 Aug 2026
US Bank
Finance · Records not stated
Investigating LockBit ransomware breach claim with threat to publish stolen data
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach affects 9.5 million patients at Birmingham, Alabama-based healthcare technology company
1 Aug 2026
High1 Aug 2026
Veradigm
Healthcare · Records not stated
Customer data stolen after hackers infiltrated vendor systems at electronic health record company
1 Aug 2026
Critical1 Aug 2026
National Public Data
Sector not stated · 272,000,000 records
Breach exposed 272+ million SSNs and records
1 Aug 2026
High1 Aug 2026
Berlin Government
Government · Records not stated
Rhysida ransomware group targeted government with claimed data theft
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Private equity firm confirmed data breach amid financial sector hacking wave
1 Aug 2026
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