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.
5,291
Disclosures in the tracker, all years
2,004
Of those, indexed in 2026
49
Added in October
8
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 18 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.
64 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.
- Netherlands7 Oct 2026Jeppesen ForeFlightThe source does not say how they got in.Krebs on Security
High17 Sep 2026
Dell
Technology · Records not stated
Confirmed data breach exposing sensitive user data
17 Sep 2026
High17 Sep 2026
DocketWise
Legal · 143,000 records
Data breach impacts 143,000 individuals
17 Sep 2026
Critical17 Sep 2026
Unlimited Technology Systems
Technology · 3,800,000 records
3.8 million records exposed in data breach
17 Sep 2026
High17 Sep 2026
Logitech
Technology · Records not stated
Data breach confirmed following Oracle hack victim designation
17 Sep 2026
Critical17 Sep 2026
ApolloMD
Healthcare · 626,000 records
Data breach impacting 626,000 individuals
17 Sep 2026
Critical17 Sep 2026
Columbia University
Education · 860,000 records
Data breach impacting 860,000 individuals
17 Sep 2026
High17 Sep 2026
Ohio County
Government · Records not stated
Ransomware attack impacting over 45,000 residents
17 Sep 2026
High17 Sep 2026
Krispy Kreme
Retail · 160,000 records
Data breach from 2024 attack stealing data from over 160,000 people
17 Sep 2026
High17 Sep 2026
Coinbase
Finance · 70,000 records
Data breach impacting nearly 70,000 individuals involving $20 million
17 Sep 2026
Critical17 Sep 2026
UK Legal Aid Agency
Government · Records not stated
Massive government data breach following hack
17 Sep 2026
Critical17 Sep 2026
700Credit
Finance · 5,800,000 records
Data breach affecting 5.8 million individuals with personal information exposed
17 Sep 2026
Critical17 Sep 2026
Prosper
Finance · 10,000,000 records
Data breach affecting approximately 10 million individuals
17 Sep 2026
High17 Sep 2026
Kaplan
Education · Records not stated
Data breach impacting multiple individuals
17 Sep 2026
High17 Sep 2026
Dartmouth College
Education · Records not stated
Data breach following Clop extortion attack
17 Sep 2026
Critical17 Sep 2026
Coupang
Retail · 33,700,000 records
33.7M customers' data exposed; South Korea fined company $409M
17 Sep 2026
High17 Sep 2026
AT&T
Technology · 109,000,000 records
Data breach with $177 million settlement; customers eligible for up to $7,500 compensation
17 Sep 2026
Critical17 Sep 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
South African government healthcare lab network impacted by ransomware attack affecting laboratory services
17 Sep 2026
High17 Sep 2026
Cell C
Technology · Records not stated
South African telecom provider suffered data breach following 2024 cyberattack, exposing customer data
17 Sep 2026
Critical17 Sep 2026
Free Mobile
Technology · 24,000,000 records
24 million customer breach in 2024; fined €42 million for lack of basic security controls
17 Sep 2026
High17 Sep 2026
CommonSpirit Health
Healthcare · 19,027 records
Data breach exposed medical and personal data of 19,027 individuals
17 Sep 2026
Critical17 Sep 2026
McLaren Health Care
Healthcare · 3,200,000 records
Ransomware attacks in 2023 and 2024 exposed 3.2 million patient records
17 Sep 2026
High17 Sep 2026
Veradigm
Healthcare · Records not stated
Electronic health record company suffered vendor breach exposing customer data
17 Sep 2026
Critical17 Sep 2026
MCBS
Healthcare · 1,200,000 records
Medical business management company breach exposed 1.2 million individuals' personal data
17 Sep 2026
Critical17 Sep 2026
TriZetto Provider Solutions
Healthcare · 3,400,000 records
PHI of 3.4M individuals exposed via unauthorized IT environment access
17 Sep 2026
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