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.
5,301
Disclosures in the tracker, all years
2,016
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.
Worldwide · How they got in
Incidents worldwide, by country.
65 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.
- Australia19 Oct 2026Poole GroupThe source does not say how they got in.Accountants Daily
- Australia16 Oct 2026Chadwick SwitchboardsThe source does not say how they got in.Cyber Daily
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
Critical17 Sep 2026
Bankinter/EVO Banco
Finance · 1,270,000 records
1.27M records with financial and identity data exposed via API vulnerability
17 Sep 2026
Critical17 Sep 2026
Revolut Data Breach
Government · Records not stated
Revolut allegedly fed customer information to hackers impersonating an Italian government agency for five months.
The post Revolut Data Breach: 5 Months, 680 High-Profile Accounts, $3M Ransom appeared first on…
17 Sep 2026
Critical16 Sep 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Mike Stimpson reports: Some patient services may be affected as the general hospital in Nipigon responds to what it describes as a “cyber security incident.” An incident involving ransomware affected information…
16 Sep 2026
Medium16 Sep 2026
International Meteor Organization
Sector not stated · Records not stated
A website used around the world for reporting meteors faces weeks of downtime as the organization moves away from systems that were hacked recently.
16 Sep 2026
High16 Sep 2026
City of Helsinki
Government · Records not stated
Data breach affecting Helsinki residents and services
16 Sep 2026
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