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.
5,337
Disclosures in the tracker, all years
2,050
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 24 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High1 Mar 2026
Tribeca Festival
Sector not stated · 666,000 records
666,000 records exposed including celebrity contact information from unprotected database
1 Mar 2026
Critical1 Mar 2026
Charter Spectrum
Technology · 42,000,000 records
4.9M confirmed accounts breached; 42M records claimed stolen
1 Mar 2026
High1 Mar 2026
Intesa Sanpaolo SpA
Finance · Records not stated
Italian regulator fined $36 million for serious data protection and personal data security shortcomings
1 Mar 2026
Critical1 Mar 2026
UK Biobank
Healthcare · Records not stated
Confidential health records from medical research project exposed online, data offered for sale
1 Mar 2026
High1 Mar 2026
FirstClass
Sector not stated · Records not stated
Australian travel agency hit by alleged data breach with customer records compromised
1 Mar 2026
High1 Mar 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Third-party data breach exposed patient information
1 Mar 2026
High1 Mar 2026
CommonSpirit Health
Healthcare · 19,027 records
Data breach exposing personal and medical information of 19,027 patient records via healthcare consulting company
1 Mar 2026
High1 Mar 2026
Companies House
Government · Records not stated
UK firm records exposed during five-month security issue affecting all registered companies
1 Mar 2026
Critical1 Mar 2026
LexisNexis
Legal · 400,000 records
Cloud systems breach exposed records of 400K users including federal judges and .gov accounts
1 Mar 2026
High1 Mar 2026
Ransomware attack
Education · Records not stated
Ransomware attack exposed data from Multiethnic Cohort Study including driver's license numbers and voter IDs
1 Mar 2026
High1 Mar 2026
Companies House (UK)
Government · Records not stated
Data exposed during five-month security issue affecting UK firm records
1 Mar 2026
Critical1 Mar 2026
UK BioBank
Healthcare · Records not stated
Confidential health records from flagship medical research project exposed online, leaked dozens of times
1 Mar 2026
Critical26 Feb 2026
Odido
Finance · 6,077,025 records
6,077,025 records exposed, Bank account numbers, Customer service records, Dates of birth, Driver's licenses and 7 more
26 Feb 2026
Critical25 Feb 2026
Canadian Tire
Finance · 38,306,562 records
38,306,562 records exposed, Dates of birth, Email addresses, Genders, Names and 4 more
25 Feb 2026
Critical22 Feb 2026
CarGurus
Retail · 12,461,887 records
12,461,887 records exposed, Email addresses, IP addresses, Names, Phone numbers and 1 more
22 Feb 2026
Medium20 Feb 2026
CarMax
Retail · 431,371 records
431,371 records exposed, Email addresses, Names, Phone numbers, Physical addresses
20 Feb 2026
High18 Feb 2026
Figure
Finance · 967,178 records
967,178 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 1 more
18 Feb 2026
High17 Feb 2026
Canada Goose
Finance · 581,877 records
581,877 records exposed, Device information, Email addresses, IP addresses, Names and 4 more
17 Feb 2026
High16 Feb 2026
University of Pennsylvania
Education · 623,750 records
623,750 records exposed, Charitable donations, Dates of birth, Email addresses, Genders and 7 more
16 Feb 2026
Medium16 Feb 2026
APOIA.se
Technology · 450,764 records
450,764 records exposed, Email addresses, Names, Physical addresses
16 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
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