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.
5,274
Disclosures in the tracker, all years
1,988
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
Critical16 Sep 2026
Marquis Software Solutions
Finance · Records not stated
Ransomware attack exposed 788,000 financial records from banks and credit union customers
16 Sep 2026
High16 Sep 2026
ADT
Sector not stated · 30,814 records
Data breach exposed customer PII; class action lawsuit filed against home security provider
16 Sep 2026
Critical16 Sep 2026
Bankinter/EVO Banco
Finance · 1,270,000 records
2024 API vulnerability exposed financial and identity data of 1.27 million people in Spain
16 Sep 2026
Medium15 Sep 2026
Houston-based CenterPoint Energy
Government · Records not stated
Houston-based CenterPoint Energy notified federal regulators about an incident that exposed some customer data on the dark web.
15 Sep 2026
Medium15 Sep 2026
CenterPoint Energy
Sector not stated · Records not stated
CenterPoint Energy disclosed a breach compromising some customers' personal information after an attacker leaked data allegedly stolen from the utility company.
15 Sep 2026
High15 Sep 2026
Woodfords Family Services
Healthcare · Records not stated
2024 ransomware attack affecting patients and families
15 Sep 2026
Critical15 Sep 2026
T-Mobile
Technology · 64,000,000 records
Over 64 million records leaked online by hackers
15 Sep 2026
Critical15 Sep 2026
Free Mobile and Free
Technology · Records not stated
Major data theft in France, resulted in €49 million fine from CNIL
15 Sep 2026
High15 Sep 2026
DocketWise
Legal · 143,000 records
Data breach impacted 143,000 individuals
15 Sep 2026
High15 Sep 2026
Estée Lauder
Retail · Records not stated
Data breach from Oracle EBS zero-day hack disclosed
15 Sep 2026
Critical15 Sep 2026
ApolloMD
Healthcare · 626,000 records
Data breach impacted 626,000 individuals
15 Sep 2026
Critical15 Sep 2026
Blue Shield of California
Healthcare · 4,700,000 records
Data breach impacted 4.7 million people
15 Sep 2026
Critical15 Sep 2026
Columbia University
Education · 860,000 records
Data breach impacted 860,000 individuals
15 Sep 2026
High15 Sep 2026
7-Eleven
Retail · 185,000 records
Data breach affected over 185,000 people's personal and payment information
15 Sep 2026
High15 Sep 2026
Covenant Health
Healthcare · 480,000 records
Data breach impacted nearly 480,000 patients' medical and personal information
15 Sep 2026
High15 Sep 2026
University of Hawaiʻi Cancer Center
Healthcare · Records not stated
Data leak following ransomware attack exposed patient medical records
15 Sep 2026
Critical15 Sep 2026
700Credit
Finance · 10,000,000 records
Data breach affecting approximately 10 million people in credit reporting data theft
15 Sep 2026
Critical15 Sep 2026
Prosper
Finance · 10,000,000 records
Data breach affecting approximately 10 million people's financial and personal information
15 Sep 2026
High15 Sep 2026
Krispy Kreme
Retail · 160,000 records
Over 160,000 people had data stolen during cyber attack in 2024
15 Sep 2026
High15 Sep 2026
Kaplan
Education · Records not stated
Education company reported data breach impacting student and staff records
15 Sep 2026
Critical15 Sep 2026
Yale New Haven Health
Healthcare · 5,500,000 records
Data breach affected 5.5 million patients' medical and personal information
15 Sep 2026
Critical15 Sep 2026
Unlimited Technology Systems
Technology · 3,800,000 records
Data breach impacted 3.8 million people's personal information
15 Sep 2026
High15 Sep 2026
PayPal
Finance · Records not stated
Data breach exposed user personal information for 6 months
15 Sep 2026
High15 Sep 2026
Cox Enterprises
Technology · Records not stated
Data breach via Oracle E-Business Suite exposed employee and customer data
15 Sep 2026
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