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.
5,305
Disclosures in the tracker, all years
2,019
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.
3,994 results · Disclosures in 2026. Clear filters
High10 Aug 2026
Ontario Health atHome
Healthcare · Records not stated
Vendor ransomware attack exposed data, kept under wraps for months
10 Aug 2026
Critical10 Aug 2026
Fortinet FortiGate Systems
Technology · Records not stated
73,932 FortiGate firewall credentials exposed including admin and VPN credentials
10 Aug 2026
Critical10 Aug 2026
135K law enforcement contacts leaked to dark web
Government · Records not stated
135K law enforcement contacts leaked to dark web
10 Aug 2026
Critical10 Aug 2026
US Civil Service/White House
Government · Records not stated
Thousands of civil servants' passwords exposed including White House-linked credentials since early 2024
10 Aug 2026
High10 Aug 2026
KT
Technology · Records not stated
Personal data breach via illegal base stations caused unauthorized micropayments; fined 53.9 billion won
10 Aug 2026
High10 Aug 2026
US Government civil services
Government · Records not stated
Thousands of civil servants' passwords exposed including White House linked credentials since early 2024
10 Aug 2026
Critical10 Aug 2026
100K+ officers and staff contacts exposed
Government · Records not stated
100K+ officers and staff contacts exposed
10 Aug 2026
Critical10 Aug 2026
CareCloud Health
Healthcare · 350,000 records
350K patients: SSNs, financials, medical records stolen
10 Aug 2026
Critical10 Aug 2026
10 Aug 2026
Critical10 Aug 2026
VITAS Hospice Services
Healthcare · 300,000 records
300K patient records with SSNs and medical data
10 Aug 2026
High10 Aug 2026
Morguard Real Estate
Finance · Records not stated
Data theft threat after failed ransom negotiations
10 Aug 2026
Critical10 Aug 2026
UK Police Legal Database
Government · Records not stated
135K law enforcement contact records leaked
10 Aug 2026
Critical10 Aug 2026
Blue Cross Blue Shield
Healthcare · Records not stated
Massive data breach; company allegedly knew about breach and delayed reporting; Montana insurance investigation
10 Aug 2026
High10 Aug 2026
Healthcare advocacy vendor cybersecurity incident
Healthcare · Records not stated
Healthcare advocacy vendor cybersecurity incident exposed employees' social security numbers
10 Aug 2026
Critical10 Aug 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; healthcare billing and practice-management data
10 Aug 2026
High10 Aug 2026
Valve
Technology · Records not stated
Steam hardware customer data stolen; European customers notified
10 Aug 2026
High10 Aug 2026
Suno
Technology · Records not stated
Customer records exposed revealing AI music training methods; notification delays reported
10 Aug 2026
Medium10 Aug 2026
Levi Strauss
Retail · Records not stated
Hackers accessed three employee company-issued computers via social engineering
10 Aug 2026
Critical10 Aug 2026
AnMed Health System
Healthcare · Records not stated
US nonprofit health system data exfiltrated
10 Aug 2026
High10 Aug 2026
Newcastle University
Education · Records not stated
440K admissions records exfiltrated by ExfilSquad
10 Aug 2026
Critical10 Aug 2026
100K+ officer and staff records exposed
Government · Records not stated
100K+ officer and staff records exposed
10 Aug 2026
Critical10 Aug 2026
Snowflake Cloud Hacking Conspiracy
Technology · 165,000,000 records
Billions of records stolen across 165 organizations
10 Aug 2026
Critical10 Aug 2026
Blue Cross-Blue Shield
Finance · Records not stated
Massive data breach; company allegedly knew about it but delayed reporting to regulators
10 Aug 2026
Medium10 Aug 2026
Canopy Support Services
Sector not stated · Records not stated
Canadian nonprofit breached by TheGentlemen
10 Aug 2026
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