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.

5,662
Disclosures in the tracker, all years
2,177
Of those, indexed in 2026
131
Added in November
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 14 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.

76 incidents from 6 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)
Medium14 Jul 2023
3K student records exposed
Education · Records not stated
3K student records exposed
14 Jul 2023
Medium14 Jul 2023
OASA Athens Transport (Greece)
Government · Records not stated
Ransomware disrupted Athens public transport ticketing system
14 Jul 2023
Medium14 Jul 2023
City of Clarksville TN
Government · 24,000 records
24K records exposed in ransomware
14 Jul 2023
High14 Jul 2023
Retina Group of Washington
Healthcare · 455,000 records
455K patient records exposed in ransomware
14 Jul 2023
Medium14 Jul 2023
3K student records exposed
Education · Records not stated
3K student records exposed
14 Jul 2023
High12 Jul 2023
Massachusetts Mutual (MassMutual)
Finance · Records not stated
120K policyholder records exposed
12 Jul 2023
Medium12 Jul 2023
City of Mesa AZ
Government · 38,000 records
38K records exposed in data breach
12 Jul 2023
High12 Jul 2023
JumpCloud
Technology · Records not stated
Nation-state attack compromised customer systems via supply chain
12 Jul 2023
High11 Jul 2023
Vermillion
Technology · 8,106 records
8,106 records exposed, Dates of birth, Email addresses, IP addresses, Passwords and 1 more
11 Jul 2023
Critical11 Jul 2023
Microsoft (Storm-0558)
Technology · Records not stated
Chinese hackers accessed 25+ org email accounts including US government officials
11 Jul 2023
High10 Jul 2023
Locally
Finance · 362,619 records
362,619 records exposed, Email addresses, Partial credit card data, Passwords, Phone numbers and 2 more
10 Jul 2023
High10 Jul 2023
Canadian Tire (vendor)
Retail · Records not stated
Third-party data exposed customer loyalty info
10 Jul 2023
High10 Jul 2023
New York Life Insurance
Finance · Records not stated
280K policyholder records exposed via vendor breach
10 Jul 2023
Medium10 Jul 2023
Middlebury College
Education · Records not stated
22K student records exposed
10 Jul 2023
Critical10 Jul 2023
HCA Healthcare
Healthcare · 11,000,000 records
11M patient records stolen from external storage environment
10 Jul 2023
Medium8 Jul 2023
Cetera Financial
Finance · Records not stated
33K advisor records exposed
8 Jul 2023
High8 Jul 2023
Sutter Health (vendor)
Healthcare · 845,000 records
845K patient records exposed through vendor compromise
8 Jul 2023
Medium7 Jul 2023
Robeson Health Care Corporation
Healthcare · 15,000 records
15K patient records exposed
7 Jul 2023
Medium7 Jul 2023
Ohio History Connection
Government · 7,600 records
7.6K records exposed in ransomware
7 Jul 2023
Medium6 Jul 2023
Movement Mortgage
Finance · 28,000 records
28K customer records exposed
6 Jul 2023
Medium5 Jul 2023
Northern Arizona University
Education · Records not stated
38K student records exposed
5 Jul 2023
Critical4 Jul 2023
Port of Nagoya (Japan)
Sector not stated · Records not stated
LockBit ransomware disrupted Japan's largest port for 3 days, cargo operations halted
4 Jul 2023
Medium3 Jul 2023
Schwab Retirement Plan Services
Finance · Records not stated
44K participant records exposed
3 Jul 2023
Medium1 Jul 2023
Los Alamos National Laboratory
Government · 22,000 records
22K records exposed in vendor breach
1 Jul 2023
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