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.
5,582
Disclosures in the tracker, all years
2,082
Of those, indexed in 2026
146
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 31 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
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
Young Consulting / Blue Shield
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
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
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