Disclosure tracker › Disclosures in 2025
Intelligence · Disclosure tracker
Disclosures in 2025
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.
5,280
Disclosures in the tracker, all years
1,993
Of those, indexed in 2026
39
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 15 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
980 results · Disclosures in 2025. Clear filters
High1 Jun 2025
Framework
Technology · Records not stated
Data breach affecting all customers: names, emails, phone numbers, physical addresses exposed
1 Jun 2025
High1 Jun 2025
IEH Corporation
Government · Records not stated
Military device manufacturer cyber incident disclosed to SEC affecting specialized military products
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unidentified)
Healthcare · 1,300,000 records
1.3 million individuals' protected health data leaked to dark web in ransomware attack
1 Jun 2025
High1 Jun 2025
Water utilities
Government · Records not stated
Cyberattacks on operational technology systems expanded to 12 states including South Dakota and Georgia
1 Jun 2025
High1 Jun 2025
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Wave of cyberattacks by UNC6671 extortion group targeting financial organizations
1 Jun 2025
Critical1 Jun 2025
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patients' data. Medical billing company in Augusta, Georgia
1 Jun 2025
High1 Jun 2025
North Carolina Ports Authority
Sector not stated · Records not stated
Cyberattack disrupted IT systems and operations at Port of Wilmington
1 Jun 2025
High1 Jun 2025
TrueConf
Technology · Records not stated
Hackers breached servers and trojanized client installers with backdoors via unpatched vulnerabilities
1 Jun 2025
Critical1 Jun 2025
Unnamed medical billing company
Healthcare · 1,300,000 records
Ransomware attack leaked protected health data on 1.3 million people
1 Jun 2025
Critical1 Jun 2025
Unidentified Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
1 Jun 2025
Critical1 Jun 2025
Paraguayan Government
Government · 7,400,000 records
7.4 million records containing PII of Paraguayan citizens offered for sale
1 Jun 2025
Critical1 Jun 2025
MCBS Medical Billing
Healthcare · 1,300,000 records
PEAR ransomware attack exposed health data on 1.3 million patients, including protected health information
1 Jun 2025
Critical1 Jun 2025
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 affecting healthcare billing and practice-management
1 Jun 2025
Critical1 Jun 2025
Unnamed Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical billing company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Aflac Insurance
Finance · 1,300,000 records
Data breach exposed 22.65 million individuals
1 Jun 2025
High1 Jun 2025
Essex NHS Trust
Healthcare · 900,000 records
Patient records stolen in cyber attack, disclosed 6+ months after notification
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (Unnamed)
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
1 Jun 2025
Critical1 Jun 2025
Canada Life
Finance · 5,500,000 records
5.5 million customer, employee, and corporate records exposed via Salesforce data leak
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company (unnamed)
Healthcare · Records not stated
2025 ransomware attack exposed 1.3 million protected health records leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical billing company (unnamed)
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people, leaked to dark web
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
7.4 million records containing PII of Paraguayan citizens offered for sale by cybercriminals
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach exposed 22.65 million individual records in June 2025
1 Jun 2025
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