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.
5,344
Disclosures in the tracker, all years
2,057
Of those, indexed in 2026
118
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 26 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High3 Jun 2025
ColoCrossing
Technology · 7,183 records
7,183 records exposed, Email addresses, Names, Passwords
3 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach impacts 22 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · Records not stated
Cybercriminal data breach; 7.4 million citizen records containing PII offered for sale
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed sensitive protected health data on 1.3 million people to dark web in 2025
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unnamed)
Healthcare · 1,300,000 records
Ransomware attack exposed sensitive protected health data on 1.3 million people
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
22.65 million individual records exposed in June 2025 breach
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · 1,300,000 records
1.3 million people's protected health data exposed in 2025 ransomware attack, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach from June impacts more than 22 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
Data breach involving 7.4 million records of Paraguayan citizens with PII offered for sale
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach impacting more than 22 million customers
1 Jun 2025
High1 Jun 2025
Ahold Delhaize
Retail · 2,200,000 records
2.2 million customers' personal data exposed in cyberattack on U.S. operations
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · Records not stated
7.4 million citizen records containing PII offered for sale
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unnamed)
Healthcare · 1,300,000 records
2025 ransomware attack exposed 1.3 million people's protected health information to dark web
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · Records not stated
7.4 million citizen records containing PII offered for sale on hacker forum
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
Aflac
Finance · 1,300,000 records
22.65M individuals affected by data breach in June 2025
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach exposing 22.65 million individuals' records in June 2025
1 Jun 2025
Critical1 Jun 2025
Ahold Delhaize
Retail · 2,200,000 records
US operations breach exposed personal data of 2.2 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
Data breach involved 7.4 million records containing PII of Paraguayan citizens offered for sale
1 Jun 2025
High1 Jun 2025
Chess.com
Technology · 4,500 records
4,500 people had customer data stolen via file transfer tool compromise
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
22.65 million individuals affected in major data breach
1 Jun 2025
Critical1 Jun 2025
Qantas
Retail · 6,000,000 records
Cyber attack on third-party customer service platform impacting 6 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
Data breach involving 7.4 million records of Paraguayan citizens' PII for sale
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · Records not stated
1.3 million protected health records leaked to dark web in ransomware attack
1 Jun 2025
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