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.

5,359
Disclosures in the tracker, all years
2,075
Of those, indexed in 2026
136
Added in October
15
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.

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. Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
High1 Jun 2025
North Carolina Ports Authority
Sector not stated · Records not stated
Cyberattack disrupted IT systems and operations at Port of Wilmington
1 Jun 2025
High1 Jun 2025
TrueConf
Technology · Records not stated
Hackers breached servers and trojanized client installers with backdoors via unpatched vulnerabilities
1 Jun 2025
Critical1 Jun 2025
Unnamed medical billing company
Healthcare · 1,300,000 records
Ransomware attack leaked protected health data on 1.3 million people
1 Jun 2025
Critical1 Jun 2025
Unidentified Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
1 Jun 2025
Critical1 Jun 2025
Paraguayan Government
Government · 7,400,000 records
7.4 million records containing PII of Paraguayan citizens offered for sale
1 Jun 2025
Critical1 Jun 2025
MCBS Medical Billing
Healthcare · 1,300,000 records
PEAR ransomware attack exposed health data on 1.3 million patients, including protected health information
1 Jun 2025
Critical1 Jun 2025
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 affecting healthcare billing and practice-management
1 Jun 2025
Critical1 Jun 2025
Unnamed Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical billing company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Aflac Insurance
Finance · 1,300,000 records
Data breach exposed 22.65 million individuals
1 Jun 2025
High1 Jun 2025
Essex NHS Trust
Healthcare · 900,000 records
Patient records stolen in cyber attack, disclosed 6+ months after notification
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (Unnamed)
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
1 Jun 2025
Critical1 Jun 2025
Canada Life
Finance · 5,500,000 records
5.5 million customer, employee, and corporate records exposed via Salesforce data leak
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unnamed)
Healthcare · Records not stated
2025 ransomware attack exposed 1.3 million protected health records leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical billing company (unnamed)
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
7.4 million records containing PII of Paraguayan citizens offered for sale by cybercriminals
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach exposed 22.65 million individual records in June 2025
1 Jun 2025
Critical1 Jun 2025
Ahold Delhaize
Retail · 2,200,000 records
Cyber-attack on US operations exposed personal data of over 2.2 million customers
1 Jun 2025
Critical27 May 2025
Free
Finance · 13,926,173 records
13,926,173 records exposed, Bank account numbers, Dates of birth, Genders, Names and 2 more
27 May 2025
Medium22 May 2025
Fédération Francaise de Rugby
Government · 281,977 records
281,977 records exposed, Dates of birth, Email addresses, Names, Phone numbers
22 May 2025
Critical8 May 2025
OnRPG
Retail · 1,047,640 records
1,047,640 records exposed, Email addresses, IP addresses, Passwords, Usernames
8 May 2025
High1 May 2025
Magna Hospitality Group
Sector not stated · Records not stated
Told state regulators an unauthorized actor copied files from its systems in May 2025; disclosure came about 17 months later.
1 May 2025
High1 May 2025
LexisNexis
Sector not stated · 364,000 records
Data broker breach exposed personal information of over 364,000 people
1 May 2025
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