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.
5,378
Disclosures in the tracker, all years
2,094
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.
78 incidents from 12 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.
- Australia22 Oct 2026Campbelltown Anglican Schools CouncilThe source does not say how they got in.Cyber Daily
High18 Apr 2024
Le Slip Français
Technology · 1,495,127 records
1,495,127 records exposed, Email addresses, Names, Phone numbers, Physical addresses
18 Apr 2024
Critical18 Apr 2024
Synlab Italia
Healthcare · Records not stated
Black Basta stole 1.5TB of medical data from Italian lab network
18 Apr 2024
High17 Apr 2024
NorthBay Healthcare
Healthcare · 570,000 records
570K patient records exposed in data breach
17 Apr 2024
Critical17 Apr 2024
WebTPA
Healthcare · 2,500,000 records
2.5M patient records exposed in health plan administrator breach
17 Apr 2024
High15 Apr 2024
15 Apr 2024
Critical14 Apr 2024
Frontier Communications
Technology · 2,000,000 records
2M customer records exposed in BlackCat ransomware
14 Apr 2024
Critical14 Apr 2024
AT&T (call records)
Technology · 110,000,000 records
110M customer call and text metadata stolen from Snowflake environment
14 Apr 2024
High13 Apr 2024
MediSecure (US operations)
Healthcare · 700,000 records
700K patient e-prescription records exposed
13 Apr 2024
High12 Apr 2024
Giant Tiger
Retail · 2,842,669 records
2,842,669 records exposed, Email addresses, Names, Phone numbers, Physical addresses
12 Apr 2024
High12 Apr 2024
12 Apr 2024
Critical12 Apr 2024
Kaiser Permanente
Healthcare · Records not stated
13.4M members data shared with advertisers via tracking pixels
12 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Critical10 Apr 2024
1M dental insurance member records exposed
Healthcare · Records not stated
1M dental insurance member records exposed
10 Apr 2024
Were you affected?