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.

5,292
Disclosures in the tracker, all years
2,005
Of those, indexed in 2026
50
Added in October
9
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 18 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. Netherlands7 Oct 2026Jeppesen ForeFlightThe source does not say how they got in.Krebs on Security
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
Data breach exposing 7.49 million customer records
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Customer data breach through fake government requests; hundreds of customers affected
1 Sep 2026
High1 Sep 2026
Luminis
Healthcare · Records not stated
Healthcare cybersecurity incident affecting Anne Arundel County hospital
1 Sep 2026
High1 Sep 2026
Canva
Technology · Records not stated
Personal and corporate data exposed affecting 424 organizations in Turkey
1 Sep 2026
Critical1 Sep 2026
Driver license information potentially accessed in data breach
Government · Records not stated
Driver license information potentially accessed in data breach
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data breached by cybercriminals in cyberattack
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Healthcare · 727,000 records
The disclosure as indexed does not name the organisation.
French hospital breach exposed 727,000 patient and contact records
1 Sep 2026
Critical1 Sep 2026
Manchester Airport Group
Sector not stated · 8,700,000 records
Breach exposed 8.7 million customer records; 640GB data stolen and published by FulcrumSec on September 3, 2026
1 Sep 2026
Critical1 Sep 2026
Thomson Reuters
Legal · Records not stated
C-Track court management platform breach exposed sealed court records and personal data including SSNs affecting US and Canadian courts
1 Sep 2026
High1 Sep 2026
Department
Government · Records not stated
Department investigating data breach involving driver information
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data breach with $3M ransom demand; attacker threatening to sell stolen data
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
7.49 million customer records stolen in data breach
1 Sep 2026
Critical1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data breached; potentially includes Social Security numbers
1 Sep 2026
High1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Spain's data protection authority experienced a data breach via autonomous AI agent
1 Sep 2026
High1 Sep 2026
xHealth
Healthcare · 118,000 records
Practice management and EHR software provider breach exposed 118,000 individuals' data
1 Sep 2026
Critical1 Sep 2026
AdaptHealth
Healthcare · 4,099,999 records
4.1 million people impacted; personal, health, and insurance information stolen
1 Sep 2026
High1 Sep 2026
MIP Holdings
Finance · Records not stated
Cyber attack exposed personal information of South African insurance customers
1 Sep 2026
Critical1 Sep 2026
IDScan
Technology · Records not stated
153 million driver's license scans stolen from cloud platform
1 Sep 2026
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach with 284 million records stolen by ShinyHunters extortion group
1 Sep 2026
High1 Sep 2026
Novocure
Healthcare · Records not stated
Cyberattack exposed US patient records in oncology firm systems
1 Sep 2026
High1 Sep 2026
Canva
Technology · Records not stated
Data breach affected 424 organizations in Turkey, exposing personal information
1 Sep 2026
High1 Sep 2026
Data breach
Government · Records not stated
Data breach investigating potential exposure of driver information including licenses
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data breach with attackers demanding $3 million ransom; threatening to sell stolen data
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
Data breach exposed 7.49 million customer records
1 Sep 2026
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