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.

Worldwide · How they got in

Incidents worldwide, by country.

79 incidents from 9 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)
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
Medium4 Jun 2023
3K student records exposed
Education · Records not stated
3K student records exposed
4 Jun 2023
High3 Jun 2023
Eisai Pharmaceuticals (Japan)
Healthcare · Records not stated
LockBit ransomware encrypted servers at global pharma company
3 Jun 2023
High3 Jun 2023
Deutsche Leasing (Germany)
Finance · Records not stated
Ransomware shut down operations of Germany's largest leasing company
3 Jun 2023
Medium2 Jun 2023
University of Waterloo
Education · Records not stated
Cyberattack compromised campus email and student systems
2 Jun 2023
Critical2 Jun 2023
Xplain AG (Switzerland)
Government · Records not stated
Play ransomware stole Swiss government data, police, customs, military records published
2 Jun 2023
High2 Jun 2023
Harris Health System
Healthcare · 224,000 records
224K patient records exposed in vendor breach
2 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm's client data exposed via MOVEit Transfer vulnerability
1 Jun 2023
Critical1 Jun 2023
Welltok
Healthcare · 14,760,000 records
MOVEit Transfer vulnerability exposed 14.76 million patient health records
1 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm affected by MOVEit data breach, pulled into class action litigation
1 Jun 2023
High1 Jun 2023
Kirkland & Ellis
Legal · Records not stated
Law firm affected by MOVEit supply chain data breach exposing client data
1 Jun 2023
Critical1 Jun 2023
Welltok
Healthcare · 14,760,000 records
MOVEit Transfer breach exposed 14.76 million individuals' healthcare and personal data
1 Jun 2023
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