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.

5,410
Disclosures in the tracker, all years
2,125
Of those, indexed in 2026
47
Added in November
47
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 7 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 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. 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
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Exposed personal information of 700,000 state residents after inadvertent exposure
1 Jan 2026
Critical1 Jan 2026
Exposed sensitive data of 700,000 individuals online
Government · 700,000 records
Exposed sensitive data of 700,000 individuals online
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal information belonging to 700,000 state residents
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hackers offering to sell alleged 8 million government records on hacker forum
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hackers breached facility supplying heat to ~50,000 residents via private APN
1 Jan 2026
High1 Jan 2026
CEVA Logistics
Retail · Records not stated
Cyberattack disrupted operations at eight European warehouses affecting retailers and Steam customers
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Heat-and-power facility breached via private APN, supplies 50,000 residents
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of people's personal information leaked; agency delayed public notification for months
1 Jan 2026
Critical1 Jan 2026
Puerto Rico Government Agency
Government · Records not stated
1 million social security numbers exposed via cybersecurity loophole in mapping service
1 Jan 2026
High1 Jan 2026
Central Maine Healthcare
Healthcare · 145,381 records
Data breach impacting personal, treatment, and health insurance information of 145,381 patients
1 Jan 2026
High1 Jan 2026
Fried Frank
Legal · Records not stated
Law firm data security incident affecting high-profile clients
1 Jan 2026
Critical1 Jan 2026
French Telecoms
Finance · Records not stated
October 2024 breach compromising personal data of 24+ million individuals, €42 million GDPR fine
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information exposed
1 Jan 2026
Critical1 Jan 2026
LiteLLM
Technology · Records not stated
Supply chain attack compromising over 2,500 organizations through distribution of information-stealing malware
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Years-long data breach of residents' private health-related information affecting state health program beneficiaries
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
High-profile data breach; Montana court cleared path for regulatory enforcement action
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information discovered
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient data compromised in third-party vendor breach from 2025 Cerner incident
1 Jan 2026
High1 Jan 2026
HCL Technologies
Technology · Records not stated
Hacker group claimed access to employee data; company stated data may be years-old
1 Jan 2026
High1 Jan 2026
Huntsville Hospital
Healthcare · Records not stated
Patient health information compromised through third-party vendor breach
1 Jan 2026
Critical1 Jan 2026
Instructure
Education · Records not stated
Supply chain breach of Canvas platform generated 58% of all breach notices in 2026
1 Jan 2026
Critical1 Jan 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment, stealing patient health data and intellectual property
1 Jan 2026
High1 Jan 2026
Allstate
Finance · Records not stated
Data breach exposed employee-related records in insurance company cyber incident
1 Jan 2026
High1 Jan 2026
Yearslong breach
Healthcare · Records not stated
Yearslong breach exposed residents' private health-related information
1 Jan 2026
Were you affected?