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
13
Added in November
27
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.
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass healthcare data breach affecting patients and employees since November 2023
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass patient and employee data breach affecting hundreds of thousands
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach affecting patients and employees since November 2023 involving sensitive medical records.
1 Nov 2023
High1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 impacting patients and employees
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 affecting patients and employees with exposure of personal and health information
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 affecting patients and employees, multiple individuals impacted
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 affecting patients and employees with potential HIPAA violations
1 Nov 2023
High1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 affecting patients and employees
1 Nov 2023
Critical1 Nov 2023
Mass data breach affecting patients and employees
Healthcare · Records not stated
Mass data breach affecting patients and employees exposed personal and medical information
1 Nov 2023
High1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass patient and employee data breach affecting thousands since November 2023
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 affecting patients and employees with HIPAA violations
1 Nov 2023
High1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach since November 2023 affected patients and employees HIPAA records
1 Nov 2023
High1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach affecting patients and employees since November 2023
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
2023 mass data breach affected patients and employees with exposure of medical records
1 Nov 2023
Critical1 Nov 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mass data breach exposing patient and employee records since November 2023
1 Nov 2023
Medium1 Nov 2023
Health PEI
Healthcare · Records not stated
Employee records accessed in cybersecurity incident
1 Nov 2023
High1 Nov 2023
Booking.com (Netherlands)
Sector not stated · Records not stated
10,000+ hotel partner accounts compromised in phishing campaign, guest data exposed
1 Nov 2023
Critical1 Nov 2023
Hot Topic (credential stuffing)
Retail · 5,700,000 records
5.7M customer records exposed across brands
1 Nov 2023
Critical1 Nov 2023
Concentra Health Services
Healthcare · 3,900,000 records
3.9M patient records exposed in Perry Johnson & Associates breach
1 Nov 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
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