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.

5,360
Disclosures in the tracker, all years
2,076
Of those, indexed in 2026
137
Added in October
16
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 29 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.

76 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. Singapore22 Oct 2026GenesysThe source does not say how they got in.The Hacker News
High1 Aug 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Data breach with cybersecurity vulnerabilities; fined €42 million for GDPR violations and lack of basic security controls
1 Aug 2026
High1 Aug 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack resulted in data leak including driver's license numbers and voter registration data
1 Aug 2026
Critical1 Aug 2026
Medical Computer Business Services
Healthcare · 1,300,000 records
1.3M patient health records leaked to dark web
1 Aug 2026
High1 Aug 2026
Years-long data breach of residents' private health-related information
Healthcare · Records not stated
Years-long data breach of residents' private health-related information
1 Aug 2026
High1 Aug 2026
Synnovis
Healthcare · 900,000 records
Ransomware attack on NHS trust in Essex stole thousands of patient records during major cyberattack
1 Aug 2026
High1 Aug 2026
Fairlife
Retail · Records not stated
Anubis ransomware leaked 1TB stolen data after Coca-Cola refused ransom
1 Aug 2026
High1 Aug 2026
Legend Senior Care
Healthcare · Records not stated
Ransomware attack disclosed; senior care provider data affected
1 Aug 2026
High1 Aug 2026
Windward Life Care
Healthcare · Records not stated
Ransomware attack disclosed; senior care provider data affected
1 Aug 2026
Critical1 Aug 2026
Suno (AI Music Platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts, confirmed by monitored breach databases
1 Aug 2026
Critical1 Aug 2026
EVO Banco (Bankinter)
Finance · 1,270,000 records
API vulnerability exposed financial and identity data of 1.27 million records
1 Aug 2026
High1 Aug 2026
EY
Finance · Records not stated
Personal records stolen in unauthorized access
1 Aug 2026
Critical1 Aug 2026
KDDI Telco
Technology · 12,000,000 records
12M email accounts and 7.6M passwords exposed
1 Aug 2026
High1 Aug 2026
France Travail
Government · Records not stated
Information system breach affecting employment records, fined €5 million
1 Aug 2026
High1 Aug 2026
Law firm (breached)
Legal · 13,000 records
Cyberattack exposed hospital records on approximately 13,000 patients in New Jersey
1 Aug 2026
High1 Aug 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records confirmed stolen during major ransomware cyberattack
1 Aug 2026
High1 Aug 2026
Home Depot
Retail · Records not stated
Exposed private GitHub token gave unauthorized access to internal systems for approximately one year
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
2025 network breach exposed sensitive healthcare billing data affecting 1.26 million people
1 Aug 2026
Critical1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of patient records stolen in major ransomware attack disrupting healthcare services
1 Aug 2026
High1 Aug 2026
Home Depot
Retail · Records not stated
Exposed private GitHub token gave unauthorized access to private repos and internal systems for a year
1 Aug 2026
Critical1 Aug 2026
Spectrum (Charter)
Technology · Records not stated
Data breach exposed 4.9 million confirmed accounts, 42 million claimed by attackers
1 Aug 2026
Critical1 Aug 2026
Paidwork
Finance · 23,000,000 records
23M accounts with bank data exposed
1 Aug 2026
High1 Aug 2026
Estée Lauder
Retail · Records not stated
Employee PII including SSNs and payroll data exposed
1 Aug 2026
Critical1 Aug 2026
Abbott Cancer Diagnostics
Healthcare · 30,000,000 records
30M rows stolen including 1M SSNs
1 Aug 2026
High1 Aug 2026
Synnovis NHS Trust
Healthcare · 900,000 records
Ransomware attack stole thousands of patient records from Essex NHS trust
1 Aug 2026
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