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. United States16 Oct 2026American Collection Medical AgencyThe source does not say how they got in.HIPAA Journal
  2. United States16 Oct 2026Mid Florida Dermatology & Plastic SurgeryThe source does not say how they got in.HIPAA Journal
  3. United States16 Oct 2026Anne Arundel CountyThe source does not say how they got in.The Record
  4. United States15 Oct 2026BAE SystemsThe source does not say how they got in.The Record
  5. United States15 Oct 2026DentaQuestThe source does not say how they got in.HIPAA Journal
  6. United States15 Oct 2026CenterPoint EnergyThe source does not say how they got in.SecurityWeek
  7. United States14 Oct 2026A Volexity customerHow they got in: a known flaw in software the victim ran.Security Affairs
  8. United States14 Oct 2026Russian-speaking victims in BrooklynHow they got in: a domain made to look like the real one.The Record
  9. United States14 Oct 2026Over 70 US companiesThe source does not say how they got in.The Hacker News
  10. United States14 Oct 2026Organizations across 150 countriesHow they got in: email made to look like it came from a trusted sender.BleepingComputer
  11. United States14 Oct 2026Ledger customersHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  12. United States14 Oct 2026Twin Cities Pain ClinicHow they got in: email made to look like it came from a trusted sender.HIPAA Journal
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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