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.
5,307
Disclosures in the tracker, all years
2,021
Of those, indexed in 2026
71
Added in October
20
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 20 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.
69 incidents from 12 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.
- Hong Kong16 Oct 2026AOMEI Backupper usersHow they got in: a supplier or vendor that was compromised first.The Hacker News
High9 Aug 2026
Tribeca Festival
Sector not stated · Records not stated
Data leak exposed contact information for celebrities and hundreds of thousands of records
9 Aug 2026
Critical9 Aug 2026
Facebook
Technology · 1,000,000,000 records
Multiple major data breaches since 2013 exposed over 1 billion records
9 Aug 2026
Critical9 Aug 2026
Unlimited Technology Systems
Healthcare · 3,800,000 records
3.8 million people impacted in healthcare software company breach
9 Aug 2026
High9 Aug 2026
Quantum Health
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' SSNs via New Era Technology
9 Aug 2026
High9 Aug 2026
100K officer contact records leaked
Government · Records not stated
100K officer contact records leaked
9 Aug 2026
High9 Aug 2026
100K officer and staff contacts leaked
Government · Records not stated
100K officer and staff contacts leaked
9 Aug 2026
Critical9 Aug 2026
100K officer and staff records exfiltrated
Government · Records not stated
100K officer and staff records exfiltrated
9 Aug 2026
High9 Aug 2026
Bank of Baroda
Finance · Records not stated
Alleged major cyberattack representing one of India's biggest corporate data breaches
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on healthcare billing company
9 Aug 2026
Critical9 Aug 2026
100K+ officer and staff records leaked
Government · Records not stated
100K+ officer and staff records leaked
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Used China-made malware USB drives on classified networks, breach unnoticed for nearly a year
9 Aug 2026
Critical9 Aug 2026
CareCloud Health Tech
Healthcare · 345,000 records
345K patient SSNs and medical records stolen
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of civil servants' passwords exposed, including White House credentials
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on healthcare billing company
9 Aug 2026
Critical9 Aug 2026
Instructure (Canvas)
Education · Records not stated
Supply chain breach generating over half of all breach notices in 2026
9 Aug 2026
High9 Aug 2026
Clinton Health Access Initiative
Healthcare · Records not stated
Ransomware attack by INC_RANSOM group
9 Aug 2026
Critical9 Aug 2026
Conduent Business Services
Healthcare · 62,200,000 records
62.2M records exposed in healthcare breach
9 Aug 2026
Medium9 Aug 2026
Alcon
Healthcare · 218,395 records
218,395 records exposed, Email addresses, Names, Phone numbers, Physical addresses
9 Aug 2026
High9 Aug 2026
Breach
Healthcare · Records not stated
Breach exposed personal and medical information including Social Security numbers
9 Aug 2026
Critical9 Aug 2026
9 Aug 2026
Critical9 Aug 2026
100K+ officer and staff records exposed
Government · Records not stated
100K+ officer and staff records exposed
9 Aug 2026
Critical9 Aug 2026
Marquis Fintech
Finance · Records not stated
800K personal and financial records compromised
9 Aug 2026
Critical9 Aug 2026
US Homeland Security Network
Government · Records not stated
Sensitive gov agency data accessed via HSIN platform
9 Aug 2026
Critical9 Aug 2026
135K law enforcement contact records leaked
Government · Records not stated
135K law enforcement contact records leaked
9 Aug 2026
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