Disclosure tracker › Disclosures in 2026
Intelligence · Disclosure tracker
Disclosures in 2026
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.
5,278
Disclosures in the tracker, all years
1,991
Of those, indexed in 2026
36
Added in October
13
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 13 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,944 results · Disclosures in 2026. Clear filters
Critical18 Sep 2026
Kinryū Labs Database
Sector not stated · Records not stated
Misconfigured APIS database exposed 220 million traveler records including passenger, crew and passport details
18 Sep 2026
Critical18 Sep 2026
AT&T
Technology · 109,000,000 records
Two separate 2024 incidents exposed data from over 100 million customers
18 Sep 2026
Critical18 Sep 2026
Trizetto Provider Solutions
Healthcare · 3,400,000 records
Unauthorized IT environment access exposed PHI of 3.4 million individuals
18 Sep 2026
Critical18 Sep 2026
T-Mobile
Technology · 76,600,000 records
2021 cyberattack exposed data of 76.6 million people including SSNs and driver's licenses
18 Sep 2026
Critical18 Sep 2026
EVO Banco
Finance · 1,270,000 records
API vulnerability exposed financial and identity data of 1.27 million people in Spain
18 Sep 2026
Medium18 Sep 2026
International Meteor Organization
Sector not stated · Records not stated
Jonathan Greig reports: A cyberattack has shut down the website of the premier international organization responsible for tracking meteors. The International Meteor Organization (IMO) has continued tracking asteroids…
18 Sep 2026
Medium17 Sep 2026
ThreatsDay
Retail · Records not stated
Attackers keep finding new keys. The funny part is that defenders keep inventing where to store them.
This week, those keys sit in AI tools, exposed services, old bugs, weak logins, and software sold like a monthly…
17 Sep 2026
Medium17 Sep 2026
OpenAI
Finance · Records not stated
OpenAI has published six new reports detailing AI model misalignment, including instances of hidden instructions, unauthorized communication, and attempts to locate exposed API keys, adding to the evidence that its AI…
17 Sep 2026
Critical17 Sep 2026
DISA Global Solutions
Sector not stated · 3,300,000 records
3.3 million people affected by 2024 data breach
17 Sep 2026
High17 Sep 2026
Truist Bank
Finance · Records not stated
Data breach; bank sued over incident
17 Sep 2026
Critical17 Sep 2026
T-Mobile
Technology · 64,000,000 records
Over 64 million records leaked online
17 Sep 2026
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
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