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.
5,377
Disclosures in the tracker, all years
2,093
Of those, indexed in 2026
12
Added in November
26
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 3 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical3 Nov 2023
6.5M customer records exposed in LockBit ransomware
Finance · 6,500,000 records
6.5M customer records exposed in LockBit ransomware
3 Nov 2023
High3 Nov 2023
3 Nov 2023
Critical3 Nov 2023
Northwell Health
Sector not stated · 3,890,000 records
3.89M patient records exposed via vendor breach
3 Nov 2023
Critical3 Nov 2023
McCamish Systems
Sector not stated · 6,000,000 records
6M records exposed in LockBit ransomware at Infosys subsidiary
3 Nov 2023
Critical3 Nov 2023
Cook County Health (IL)
Healthcare · 2,600,000 records
2.6M patient records exposed in Perry Johnson breach
3 Nov 2023
Critical3 Nov 2023
Northwell Health (vendor)
Healthcare · 3,890,000 records
3.89M patient records exposed via Perry Johnson breach
3 Nov 2023
Medium3 Nov 2023
57K customer account records exposed
Finance · 57,000 records
57K customer account records exposed
3 Nov 2023
Critical3 Nov 2023
6.5M customer records exposed in LockBit ransomware
Finance · 6,500,000 records
6.5M customer records exposed in LockBit ransomware
3 Nov 2023
Critical3 Nov 2023
Perry Johnson & Associates
Healthcare · 9,000,000 records
9M patient records exposed in transcription service breach
3 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
Medium2 Nov 2023
2 Nov 2023
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