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.

5,378
Disclosures in the tracker, all years
2,094
Of those, indexed in 2026
14
Added in November
25
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 4 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 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. Japan29 Oct 2026Japan AirlinesHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  2. Japan29 Oct 2026Sony Network Communications (So-net / Plala ISP)The source does not say how they got in.SecurityWeek
  3. Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
Medium20 Feb 2024
43K student records exposed in data breach
Education · Records not stated
43K student records exposed in data breach
20 Feb 2024
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