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.
5,574
Disclosures in the tracker, all years
2,089
Of those, indexed in 2026
8
Added in November
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 3 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical5 Jan 2023
Twitter (200M)
Technology · 211,524,284 records
211,524,284 records exposed, Email addresses, Names, Social media profiles, Usernames
5 Jan 2023
Medium5 Jan 2023
5 Jan 2023
Critical5 Jan 2023
NextGen Healthcare
Healthcare · 1,000,000 records
1M patient records exposed in BlackCat ransomware attack
5 Jan 2023
Medium4 Jan 2023
Lake Washington School District (WA)
Education · Records not stated
16K student records exposed
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Medium4 Jan 2023
4 Jan 2023
Were you affected?