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.
5,305
Disclosures in the tracker, all years
2,019
Of those, indexed in 2026
67
Added in October
19
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Medium7 Aug 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
A critical Metabase SQL injection vulnerability was exploited in zero-day attacks to breach customer instances in data theft attacks, known to impact Framework and Tally.
7 Aug 2026
Critical7 Aug 2026
Snowflake (165 breaches)
Technology · 165,000,000 records
Canadian hacker pleaded guilty to hacking data storage platform; 165 breaches resulted, 100M+ people affected
7 Aug 2026
High7 Aug 2026
Marquis (fintech firm)
Finance · 672,000 records
Ransomware attack stole names, addresses, card numbers and sensitive data affecting 672,000 records
7 Aug 2026
Critical7 Aug 2026
Snowflake (multiple customers)
Technology · 165,000,000 records
165+ breaches resulted from Snowflake hacking conspiracy affecting 100M+ people
7 Aug 2026
High7 Aug 2026
Yearslong data breach
Healthcare · Records not stated
Yearslong data breach exposed residents' private health-related information
7 Aug 2026
Critical7 Aug 2026
TriZetto (duplicate confirmation)
Healthcare · 3,400,000 records
Confirmed year-long hack of network exposed records on 3.4 million people
7 Aug 2026
Critical7 Aug 2026
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach affecting health and insurance information; company delayed reporting to regulators
7 Aug 2026
Critical7 Aug 2026
US Civil Service
Government · Records not stated
Thousands of civil servants' passwords exposed since early 2024, including White House-linked credentials
7 Aug 2026
Critical7 Aug 2026
Cyber attack
Government · 607,000 records
Cyber attack exposed approximately 607,000 records
7 Aug 2026
Critical7 Aug 2026
Snowflake (via hacks)
Technology · 165,000,000 records
165 breaches affecting over 100 million people via compromised Snowflake platform; Canadian hacker Connor Riley Moucka pleaded guilty
7 Aug 2026
High7 Aug 2026
TD Bank
Finance · Records not stated
Data security incident affecting customer information, separate newer breach in 2026
7 Aug 2026
Critical7 Aug 2026
Queensland Schools
Education · Records not stated
Major cyber breach affecting tens of thousands of students and teachers via education technology platform
7 Aug 2026
High7 Aug 2026
FirstClass Travel Agency
Sector not stated · Records not stated
Alleged data breach of customer records by threat actor on underground hacking forums
7 Aug 2026
Critical7 Aug 2026
TriZetto (Healthcare Tech Provider)
Healthcare · Records not stated
More than 3 million Americans impacted by 2024 breach affecting multiple states
7 Aug 2026
High7 Aug 2026
Transport for London
Government · Records not stated
Cyberattack on heart of London transport network; cost £39 million; two hackers sentenced
7 Aug 2026
Medium7 Aug 2026
Liechtenstein Beneficiary Register
Government · Records not stated
31K corporate beneficiary records exposed
7 Aug 2026
Critical7 Aug 2026
Snowflake Inc.
Technology · 165,000,000 records
Massive data breach involving customer data theft and extortion
7 Aug 2026
High7 Aug 2026
Gaming Platforms (multiple)
Technology · Records not stated
Data leaks exposed over 11 million gaming account credentials including login information
7 Aug 2026
High7 Aug 2026
Partnered Health (Australian Clinics)
Healthcare · Records not stated
Cyber-attack exposed medical records including Medicare numbers and pathology results
7 Aug 2026
High7 Aug 2026
U.S. Civil Service
Government · Records not stated
Thousands of civil servants passwords exposed since early 2024, including White House credentials
7 Aug 2026
Critical7 Aug 2026
VITAS Hospice Services
Healthcare · 300,000 records
300K patient records exposed via vendor account
7 Aug 2026
Critical7 Aug 2026
NYC Health Hospitals
Healthcare · 1,800,000 records
1.8M patient records and biometric data stolen
7 Aug 2026
Medium7 Aug 2026
Levi Strauss & Co.
Sector not stated · Records not stated
Levi Strauss & Co. (Levi's) says that hackers used social engineering on three of its employees to gain access to and steal corporate data stored on their machines.
7 Aug 2026
Medium7 Aug 2026
Alcino Donadel
Education · Records not stated
Alcino Donadel reports: …. Instructure, the edtech company behind learning management system Canvas, suffered one of the largest data breaches in the U.S. this year after cybercriminals gained access through a…
7 Aug 2026
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