Weekly briefing No. 41 published 4 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.

5,491
Disclosures in the tracker, all years
2,079
Of those, indexed in 2026
141
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 30 Oct 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 12 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. France20 Oct 2026US tax preparation businessesThe source does not say how they got in.The Record
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
Medium10 Feb 2026
Toy Battles
Technology · 1,017 records
1,017 records exposed, Chat logs, Email addresses, IP addresses, Usernames
10 Feb 2026
Medium10 Feb 2026
Organisation not named
Healthcare · 5,600 records
The disclosure as indexed does not name the organisation.
5,600 records exposed, Dates of birth, Email addresses, Names, Places of birth and 1 more
10 Feb 2026
High6 Feb 2026
Substack
Technology · 663,121 records
663,121 records exposed, Email addresses, Phone numbers
6 Feb 2026
High5 Feb 2026
Betterment
Finance · 1,435,174 records
1,435,174 records exposed, Dates of birth, Device information, Email addresses, Employers and 5 more
5 Feb 2026
Were you affected?