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.

5,412
Disclosures in the tracker, all years
2,126
Of those, indexed in 2026
54
Added in November
54
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 7 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 11 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.

  1. Australia4 Nov 2026Bristol City Council (Trading with Schools platform)The source does not say how they got in.Yahoo News Australia (citing BBC)
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
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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