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.
5,280
Disclosures in the tracker, all years
1,993
Of those, indexed in 2026
39
Added in October
7
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 16 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,947 results · Disclosures in 2026. Clear filters
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
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
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
High10 Aug 2026
Newcastle University
Education · Records not stated
440K admissions records stolen by ExfilSquad
10 Aug 2026
Critical10 Aug 2026
UK Police National Database
Government · Records not stated
100K+ officer and staff contact records exposed
10 Aug 2026
Critical10 Aug 2026
AnMed Health System
Healthcare · Records not stated
Ongoing malware attack closes 83 facilities
10 Aug 2026
High10 Aug 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in major ransomware attack
10 Aug 2026
Critical10 Aug 2026
Canadian Tire
Retail · 42,000,000 records
42 million records exposed in 2025 data breach
10 Aug 2026
Critical10 Aug 2026
Zenith Bank Nigeria
Finance · 90,000,000 records
90M records including financial and PII data claimed stolen
10 Aug 2026
Critical10 Aug 2026
Navia Benefit Solutions
Healthcare · Records not stated
2.7M SSNs and health benefits records exfiltrated via API
10 Aug 2026
Critical10 Aug 2026
UK Department for Education
Education · Records not stated
607K parent and staff contact records stolen
10 Aug 2026
Critical10 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135K law enforcement contact records published on dark web
10 Aug 2026
Critical10 Aug 2026
Wesco International
Sector not stated · 2,600,000 records
2.6M customer and employee PII records leaked
10 Aug 2026
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