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.
5,346
Disclosures in the tracker, all years
2,059
Of those, indexed in 2026
117
Added in October
14
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.
High1 Nov 2025
JSONFormatter and CodeBeautify
Technology · Records not stated
5GB of leaked credentials exposed passwords and API keys across critical sectors
1 Nov 2025
High1 Nov 2025
FirstClass
Sector not stated · Records not stated
Australian travel agency hit by alleged data breach with customer records compromised according to threat actor claims on underground forums.
1 Nov 2025
Critical1 Nov 2025
Coupang
Retail · 33,700,000 records
Data breach exposed personal information of 33.7 million customers in South Korea
1 Nov 2025
Critical1 Nov 2025
Pajemploi
Government · 1,200,000 records
French social security service for childcare suffered data breach affecting 1.2 million people
1 Nov 2025
High27 Oct 2025
MyVidster (2025)
Technology · 3,864,364 records
3,864,364 records exposed, Email addresses, Profile photos, Usernames
27 Oct 2025
Critical16 Oct 2025
Prosper
Finance · 17,605,276 records
17,605,276 records exposed, Browser user agent details, Credit status information, Dates of birth, Email addresses and 6 more
16 Oct 2025
Medium15 Oct 2025
Hello Cake
Healthcare · 22,907 records
22,907 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 2 more
15 Oct 2025
High11 Oct 2025
Vietnam Airlines
Retail · 7,316,915 records
7,316,915 records exposed, Dates of birth, Email addresses, Loyalty program details, Names and 1 more
11 Oct 2025
High7 Oct 2025
Adpost
Technology · 3,339,512 records
3,339,512 records exposed, Email addresses, Names, Usernames
7 Oct 2025
High4 Oct 2025
Artists&Clients
Retail · 95,351 records
95,351 records exposed, Email addresses, IP addresses, Passwords, Usernames
4 Oct 2025
High3 Oct 2025
Latest Pilot Jobs
Technology · 118,864 records
118,864 records exposed, Email addresses, Names, Passwords, Usernames
3 Oct 2025
High3 Oct 2025
HomeRefill
Technology · 187,457 records
187,457 records exposed, Dates of birth, Email addresses, Names, Passwords and 1 more
3 Oct 2025
Critical1 Oct 2025
Dublin Airport
Sector not stated · Records not stated
Everest ransomware group stole 1.5 million passenger records
1 Oct 2025
High1 Oct 2025
PNC Financial Services Group
Finance · Records not stated
Data breach exposed 740,000 PII records; class action lawsuit filed
1 Oct 2025
Critical1 Oct 2025
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; company allegedly knew about breach but delayed reporting
1 Oct 2025
Critical1 Oct 2025
Toppan Next Tech
Technology · Records not stated
Print vendor breach exposed supply chain risks affecting Singapore Police Force and major banks
1 Oct 2025
Critical1 Oct 2025
Blue Cross-Blue Shield
Healthcare · Records not stated
Massive data breach; lawsuit alleges company knew but delayed reporting
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
October 2025 breach exposed data from 38 million customer accounts including contact details and encrypted passwords
1 Oct 2025
Critical1 Oct 2025
Dublin Airport
Sector not stated · Records not stated
Everest ransomware group claimed theft of 1.5 million passenger records
1 Oct 2025
High1 Oct 2025
Capita
Technology · Records not stated
Data security breach resulting in £14 million fine from ICO for GDPR infringements
1 Oct 2025
Critical1 Oct 2025
Canadian Tire
Retail · 38,000,000 records
Data breach exposed personal information of 38 million customer accounts including contact details and encrypted passwords
1 Oct 2025
High1 Oct 2025
Capita
Technology · Records not stated
Data breach resulting in £14 million ICO fine for infringements of UK General Data Protection regulations
1 Oct 2025
Critical1 Oct 2025
Qantas
Sector not stated · 5,000,000 records
Hackers leaked 5 million customer records after ransom deadline passed; part of larger 40-company attack
1 Oct 2025
Critical1 Oct 2025
Blue Cross Blue Shield
Finance · Records not stated
Massive data breach with allegations company knew about it but delayed reporting; Montana investigation
1 Oct 2025
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