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.

5,291
Disclosures in the tracker, all years
2,004
Of those, indexed in 2026
49
Added in October
9
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 17 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.

64 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. Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
  2. Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
  3. Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  4. Japan14 Oct 2026Healthcare and financial organisations globallyHow they got in: email made to look like it came from a trusted sender.The Hacker News
  5. Japan8 Oct 2026Park24The source does not say how they got in.The Hacker News
  6. Japan7 Oct 2026AdvantestThe source does not say how they got in.SecurityWeek
Critical15 Aug 2012
Saudi Aramco (2012)
Sector not stated · Records not stated
Shamoon wiper destroyed 30,000 workstations at world's largest oil company
15 Aug 2012
High10 Apr 2012
Elections Ontario
Government · Records not stated
USB key with personal data of 2.4M voters stolen from Elections Ontario staffer
10 Apr 2012
Critical8 Feb 2012
KPN Telecom (Netherlands)
Technology · 2,000,000 records
2M customer records accessed through compromised systems, largest Dutch telco breach
8 Feb 2012
Critical26 Jul 2011
SK Communications (Nate/Cyworld)
Technology · 35,000,000 records
35M user records stolen from Korean social network, one of Asia's largest breaches
26 Jul 2011

This is the oldest page. The index starts on 26 Jul 2011.

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