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.

5,439
Disclosures in the tracker, all years
2,154
Of those, indexed in 2026
87
Added in November
27
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 11 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.

79 incidents from 9 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. Taiwan3 Nov 2026Synology NAS device owners (worldwide)The source does not say how they got in.The Hacker News
High1 Aug 2025
Workday
Technology · Records not stated
Hackers stole personal data in recent breach
1 Aug 2025
High1 Aug 2025
US Bank
Finance · Records not stated
Data breach following LockBit ransomware attack with threat to publish stolen data
1 Aug 2025
Critical1 Aug 2025
TransUnion
Finance · 4,400,000 records
Data breach with hackers stealing 4.4 million customers' personal information
1 Aug 2025
High1 Aug 2025
Workday
Technology · Records not stated
HR giant's breach exposed employee and customer personal data
1 Aug 2025
Critical1 Aug 2025
Organisation not named
Healthcare · 1,150,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack in August 2025 affected 1.15 million individuals
1 Aug 2025
High1 Aug 2025
Workday
Technology · Records not stated
HR giant hackers stole personal data in recent breach
1 Aug 2025
High1 Aug 2025
Jaguar Land Rover
Sector not stated · Records not stated
Cyberattack in August stole data related to current and former employees and contractors
1 Aug 2025
Critical1 Aug 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Breached via private APN; facility supplies heat to approximately 50,000 residents
1 Aug 2025
Critical1 Aug 2025
Polish Energy Plant
Government · Records not stated
Heat-and-power facility breached via private APN, supplies 50,000 residents
1 Aug 2025
High1 Aug 2025
Cerner (Huntsville Hospital)
Healthcare · Records not stated
Unauthorized third party accessed patient electronic health records via vendor system
1 Aug 2025
High1 Aug 2025
Cerner (Third-party vendor)
Healthcare · Records not stated
Patient data breach affecting Huntsville Hospital and other health systems
1 Aug 2025
High1 Aug 2025
Klaviyo
Technology · Records not stated
Marketing tech platform inadvertently shared user sign-up information including passwords with advertisers
1 Aug 2025
High1 Aug 2025
Framework
Technology · Records not stated
Computer maker breach exposing names, email addresses, phone numbers, and physical addresses to all customers
1 Aug 2025
High1 Aug 2025
Huntsville Hospital
Healthcare · Records not stated
Patient health information compromised through third-party vendor Cerner breach in August 2025
1 Aug 2025
High1 Aug 2025
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient data compromised through third-party vendor, unauthorized access by third party
1 Aug 2025
High1 Aug 2025
Cerner (via Huntsville Hospital)
Healthcare · Records not stated
Patient health information compromised through third-party vendor breach affecting hospital systems
1 Aug 2025
Critical1 Aug 2025
Gaming Industry (Multiple)
Technology · Records not stated
11 million gaming account credentials exposed in data leaks during 2024
1 Aug 2025
Critical1 Aug 2025
Optus
Finance · Records not stated
2022 data breach, Australian privacy regulator sued carrier for privacy law violations
1 Aug 2025
Critical1 Aug 2025
Gaming platforms
Technology · Records not stated
11 million gaming account credentials exposed in 2024 data leaks
1 Aug 2025
High1 Aug 2025
Gaming Accounts (Multiple Platforms)
Technology · Records not stated
Over 11 million gaming account credentials exposed in 2024 data leaks
1 Aug 2025
High1 Aug 2025
Multiple Gaming Services
Technology · Records not stated
11 million gaming account credentials exposed in data leaks affecting multiple gaming platforms
1 Aug 2025
Critical1 Aug 2025
Gaming Accounts (Multiple)
Technology · Records not stated
Over 11 million gaming account credentials exposed with login information compromised
1 Aug 2025
High1 Aug 2025
North Carolina Ports Authority
Government · Records not stated
Cyberattack disrupted IT systems and operations at Port of Wilmington, forced shift to manual operations
1 Aug 2025
High1 Aug 2025
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Electronic health record system breach affecting Huntsville Hospital patients
1 Aug 2025
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