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.

5,345
Disclosures in the tracker, all years
2,058
Of those, indexed in 2026
119
Added in October
16
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 26 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.

74 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. Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
  2. Japan19 Oct 2026Nikkei Inc.How they got in: stolen or reused passwords.BleepingComputer
  3. Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
  4. Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
  5. Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
Critical16 Feb 2021
Ge.tt
Retail · 2,481,121 records
2,481,121 records exposed, Email addresses, Names, Passwords, Social media profiles
16 Feb 2021
High16 Feb 2021
207K patient records exposed in Conti ransomware
Healthcare · 207,000 records
207K patient records exposed in Conti ransomware
16 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Were you affected?