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.
5,341
Disclosures in the tracker, all years
2,056
Of those, indexed in 2026
118
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 26 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High18 Aug 2025
Allianz Life
Technology · 1,115,061 records
1,115,061 records exposed, Dates of birth, Email addresses, Genders, Names and 2 more
18 Aug 2025
High8 Aug 2025
8 Aug 2025
High1 Aug 2025
Workday
Technology · Records not stated
HR giant hackers steal personal data in recent breach
1 Aug 2025
High1 Aug 2025
Cerner
Healthcare · Records not stated
Unauthorized third party accessed health records; breach affected Huntsville Hospital and other health systems
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
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
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