Weekly briefing No. 42 published 30 Oct 2026
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.

Medium22 Apr 2023
Southeast Colorado Hospital
Healthcare · 15,000 records
15K patient records exposed
Our record
22 Apr 2023
High20 Apr 2023
Goodwin Procter (Canada ops)
Legal · Records not stated
Law firm data breach impacted Canadian operations
Our record
20 Apr 2023
Medium20 Apr 2023
Dracut Public Schools (MA)
Education · Records not stated
6K student records exposed in ransomware
Our record
20 Apr 2023
High18 Apr 2023
Hungarian Development Bank (MFB)
Finance · Records not stated
Cyberattack compromised Hungarian state bank systems
Our record
18 Apr 2023
Medium18 Apr 2023
Generali Seguros (Spain)
Finance · Records not stated
Insurance customer data compromised through third-party vendor breach
Our record
18 Apr 2023
Medium18 Apr 2023
DentalFirst
Healthcare · 35,000 records
35K patient dental records exposed
Our record
18 Apr 2023
Medium18 Apr 2023
Williams Sonoma
Retail · 53,000 records
53K customer records exposed in data breach
Our record
18 Apr 2023
Medium17 Apr 2023
Mission Community Hospital
Healthcare · 89,000 records
89K patient records exposed in ransomware
Our record
17 Apr 2023
Critical17 Apr 2023
Point32Health / Harvard Pilgrim
Healthcare · Records not stated
2.5M member records stolen in ransomware attack
Our record
17 Apr 2023
Medium17 Apr 2023
Summit Public Schools (NJ)
Education · Records not stated
5K student records exposed
Our record
17 Apr 2023
Medium15 Apr 2023
Mesa Public Schools (AZ)
Education · Records not stated
77K student records exposed in data breach
Our record
15 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
Our record
14 Apr 2023
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