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. United Kingdom13 Oct 2026TFG LondonThe source does not say how they got in.BleepingComputer
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data breached in cyberattack around Labor Day; may include Social Security numbers
1 Sep 2026
High1 Sep 2026
Spain's data protection authority
Government · Records not stated
Spain's data protection authority suffered a data breach executed by an autonomous AI agent
1 Sep 2026
Critical1 Sep 2026
Breach
Healthcare · 727,000 records
Breach exposed 727,000 patient and contact records, resulting in €500K CNIL fine
1 Sep 2026
Critical1 Sep 2026
Manchester Airport Group
Sector not stated · 8,700,000 records
Breach affected 8.7 million customers with approximately 640GB of data stolen
1 Sep 2026
High1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach of motor vehicle records tied to credentials stolen from officer's personal device by ShinyHunters
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data leak confirmed where personal data of limited customers shared with fraudster posing as official
1 Sep 2026
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284 million records stolen including PII and PHI by ShinyHunters
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Employee and dependent data breach exposing SSNs, financial details, and PII
1 Sep 2026
High1 Sep 2026
Data breach of driver information under investigation
Government · Records not stated
Data breach of driver information under investigation
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
Data breach exposing 7.49 million customer records; files stolen from systems
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data compromised in cyberattack around Labor Day; possible Social Security numbers exposed
1 Sep 2026
High1 Sep 2026
Florida DMV
Government · Records not stated
Single Plant City police login exposed Florida DMV driver data
1 Sep 2026
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284 million records stolen by ShinyHunters including PII and PHI
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data leak exposed personal data of limited customer base due to mistaken sharing with fraudster
1 Sep 2026
High1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach caused by credentials stolen from officer's personal device, claimed by ShinyHunters
1 Sep 2026
High1 Sep 2026
New Hampshire Supreme Court
Government · Records not stated
Data breach exposed 13+ years of case files with unauthorized access to court records
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Data breach exposing SSNs, financial details and PII of current and former employees and dependents
1 Sep 2026
Critical1 Sep 2026
IDScan
Sector not stated · Records not stated
Data breach exposing over 150 million driver's license records
1 Sep 2026
Critical1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach involving driver's license information under FBI investigation
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
Confirmed data breach exposing 7.49 million customer records after hacker leaked files from systems
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Data breach affecting student and staff information, possibly including Social Security numbers during cyberattack around Labor Day
1 Sep 2026
Critical1 Sep 2026
Breach
Healthcare · 727,000 records
Breach exposed 727,000 patient and contact records; CNIL fined €500,000
1 Sep 2026
Critical1 Sep 2026
Manchester Airport Group
Sector not stated · 8,700,000 records
Breach exposed personal data of 8.7 million customers; ~640GB stolen data
1 Sep 2026
High1 Sep 2026
Japan's Digital Agency
Government · Records not stated
246,000 personnel records exposed due to VPN vulnerability
1 Sep 2026
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