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.
5,427
Disclosures in the tracker, all years
2,141
Of those, indexed in 2026
72
Added in November
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 10 Nov 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.
78 incidents from 10 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.
- Australia4 Nov 2026Bristol City Council (Trading with Schools platform)The source does not say how they got in.Yahoo News Australia (citing BBC)
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
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
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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