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.
5,438
Disclosures in the tracker, all years
2,152
Of those, indexed in 2026
89
Added in November
23
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 12 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Medium10 May 2023
79K federal employee retirement records exposed
Government · Records not stated
79K federal employee retirement records exposed
10 May 2023
Medium9 May 2023
TechnologyOne (Australia)
Technology · Records not stated
Unauthorized third party accessed Australian enterprise software company's systems
9 May 2023
Critical8 May 2023
Bank Syariah Indonesia (BSI)
Finance · Records not stated
LockBit stole 1.5TB from Indonesia's largest Islamic bank, customer data published
8 May 2023
Medium8 May 2023
8 May 2023
Medium8 May 2023
City Colleges of Chicago
Education · Records not stated
38K student records exposed in data breach
8 May 2023
Medium8 May 2023
8 May 2023
High7 May 2023
ABB Ltd (Switzerland)
Sector not stated · Records not stated
Black Basta ransomware disrupted operations at Swiss-Swedish engineering giant
7 May 2023
Medium5 May 2023
5 May 2023
High4 May 2023
4 May 2023
Critical3 May 2023
ASL 1 Abruzzo (Italy)
Healthcare · Records not stated
Monti ransomware stole 522GB of patient data from Italian health authority
3 May 2023
Medium3 May 2023
3 May 2023
Critical3 May 2023
Dallas TX city government
Government · Records not stated
Royal ransomware encrypted 800+ city servers, disrupted 911 and courts
3 May 2023
High1 May 2023
Union Bank and Trust
Finance · Records not stated
Customer data exposed through 2023 MOVEit software exploit
1 May 2023
High1 May 2023
Amazon
Technology · Records not stated
2.8 million lines of employee data exposed through MOVEit breach
1 May 2023
Critical1 May 2023
Welltok
Healthcare · 14,760,000 records
14.76 million individuals affected by 2023 MOVEit Transfer data breach exposing patient data
1 May 2023
High1 May 2023
Amazon
Technology · Records not stated
Employee data exposed through MOVEit breach; approximately 2.8 million lines of employee data compromised.
1 May 2023
Critical1 May 2023
Progress Software MOVEit
Technology · 95,000,000 records
MOVEit Transfer vulnerability exploited by Cl0p ransomware gang, affecting thousands of organizations globally. Multiple data theft incidents reported through 2024.
1 May 2023
Medium1 May 2023
1 May 2023
Medium30 Apr 2023
30 Apr 2023
Critical28 Apr 2023
HWL Ebsworth (Law Firm)
Legal · Records not stated
ALPHV/BlackCat stole 4TB from top-tier Australian law firm, client legal data published
28 Apr 2023
High28 Apr 2023
HWL Ebsworth
Legal · 65,000 records
65K client and case files stolen in ALPHV/BlackCat ransomware
28 Apr 2023
High27 Apr 2023
CityJerks
Retail · 177,554 records
177,554 records exposed, Bios, Dates of birth, Email addresses, Geographic locations and 6 more
27 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
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