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.
5,383
Disclosures in the tracker, all years
2,097
Of those, indexed in 2026
14
Added in November
25
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 4 Nov 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.
77 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.
- United States3 Nov 2026Mavis Tire Supply LLCThe source does not say how they got in.Vermont Attorney General
- United States3 Nov 2026Mindbloom Provider Group, PAThe source does not say how they got in.Vermont Attorney General
- United States3 Nov 2026ISCO InternationalThe source does not say how they got in.Vermont Attorney General
- United States3 Nov 2026Ritz-Clark & Ben-Asher LLPThe source does not say how they got in.Vermont Attorney General
- United States2 Nov 2026Magnolia Management Company, LLCThe source does not say how they got in.Vermont Attorney General
- United States2 Nov 2026Apex Clean Energy Holdings, LLCThe source does not say how they got in.Vermont Attorney General
- United States2 Nov 2026ABC Supply Co., Inc.The source does not say how they got in.Vermont Attorney General
- United States2 Nov 2026University of Mississippi Medical Center (“UMMC”)The source does not say how they got in.California Attorney General
- United States30 Oct 2026VT Department of LaborThe source does not say how they got in.Vermont Attorney General
- United States30 Oct 2026Incredible Technologies,Inc.The source does not say how they got in.Vermont Attorney General
- United States30 Oct 2026NCH CorporationThe source does not say how they got in.California Attorney General
- United States30 Oct 2026Aesto, LLCThe source does not say how they got in.California Attorney General
Critical1 Jul 2026
Network intrusion
Government · Records not stated
Network intrusion confirmed on Homeland Security Information Network
1 Jul 2026
High1 Jul 2026
LastPass
Technology · Records not stated
Data breach at third-party vendor exposed customer data; latest breach confirmed
1 Jul 2026
High1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Network intrusion on Homeland Security Information Network; initially ruled false positive twice
1 Jul 2026
Critical1 Jul 2026
Partnered Clinics (Australia)
Healthcare · Records not stated
Cyber-attack exposed Medicare numbers, treatment details, pathology results of patients
1 Jul 2026
High1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Network intrusion on Homeland Security Information Network supporting World Cup games
1 Jul 2026
High1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Network intrusion and data breach confirmed after initially ruled false positives
1 Jul 2026
Critical1 Jul 2026
MCBS Medical
Healthcare · 1,260,000 records
Medical billing company; 1.26 million patients exposed in PEAR ransomware attack affecting healthcare billing data
1 Jul 2026
High1 Jul 2026
Department for Education
Education · Records not stated
Data breach claimed by ExfilSquad group in ransomware attack
1 Jul 2026
Critical1 Jul 2026
Fortinet (FortiBleed campaign)
Technology · Records not stated
73,000+ FortiGate firewalls and VPN gateways exposed with valid admin and VPN credentials
1 Jul 2026
Critical1 Jul 2026
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 on healthcare billing company
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company ransomware attack exposed 1.26 million patient records in PEAR ransomware attack.
1 Jul 2026
High1 Jul 2026
KT (Korean Telecommunications)
Technology · Records not stated
Personal data breach and unauthorized micropayment damages via illegal base stations
1 Jul 2026
High1 Jul 2026
Department for Homeland Security
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after false positives
1 Jul 2026
Critical1 Jul 2026
PEAR ransomware attack on medical billing company
Healthcare · 1,260,000 records
PEAR ransomware attack on medical billing company exposed 1.26 million patient records
1 Jul 2026
High1 Jul 2026
Network intrusion on Homeland Security Information Network
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after false positives
1 Jul 2026
High1 Jul 2026
Cerner (Huntsville Hospital)
Healthcare · Records not stated
Patient data compromised through third-party vendor breach at Huntsville Hospital Health System
1 Jul 2026
Critical1 Jul 2026
Healthcare billing company
Healthcare · 1,260,000 records
Healthcare billing company exposed 1.26 million patient records in PEAR ransomware attack
1 Jul 2026
High1 Jul 2026
Department of Homeland Security
Government · Records not stated
Network intrusion confirmed on HSIN used for World Cup operations
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack on billing company
1 Jul 2026
Critical1 Jul 2026
Puerto Rico Government Agency
Government · Records not stated
Cybersecurity loophole in government mapping service exposed 1 million social security numbers
1 Jul 2026
High1 Jul 2026
KT Corporation
Technology · Records not stated
Personal data breach via illegal base stations caused unauthorized micropayments
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife subsidiary)
Sector not stated · Records not stated
Ransomware attack resulted in theft of company data from dairy subsidiary
1 Jul 2026
Critical1 Jul 2026
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 on healthcare billing and practice-management company
1 Jul 2026
Critical1 Jul 2026
MCBS Medical Billing
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack on billing and practice-management systems
1 Jul 2026
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