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.
5,444
Disclosures in the tracker, all years
2,158
Of those, indexed in 2026
103
Added in November
26
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 12 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
Medium7 Mar 2023
7 Mar 2023
Medium7 Mar 2023
4,500 staff records exposed in data breach
Education · Records not stated
4,500 staff records exposed in data breach
7 Mar 2023
High7 Mar 2023
7 Mar 2023
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
Medium6 Mar 2023
Organisation not named
Government · 56,000 records
The disclosure as indexed does not name the organisation.
56K records including Congressional staff health plan data leaked
6 Mar 2023
Critical6 Mar 2023
8.9M patient records exposed in LockBit ransomware attack
Healthcare · 8,900,000 records
8.9M patient records exposed in LockBit ransomware attack
6 Mar 2023
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
Medium6 Mar 2023
Organisation not named
Government · 56,000 records
The disclosure as indexed does not name the organisation.
56K records including Congressional staff health plan data leaked
6 Mar 2023
Critical6 Mar 2023
8.9M patient records exposed in LockBit ransomware attack
Healthcare · 8,900,000 records
8.9M patient records exposed in LockBit ransomware attack
6 Mar 2023
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
Medium6 Mar 2023
Organisation not named
Government · 56,000 records
The disclosure as indexed does not name the organisation.
56K records including Congressional staff health plan data leaked
6 Mar 2023
Critical6 Mar 2023
8.9M patient records exposed in LockBit ransomware attack
Healthcare · 8,900,000 records
8.9M patient records exposed in LockBit ransomware attack
6 Mar 2023
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
Medium6 Mar 2023
Organisation not named
Government · 56,000 records
The disclosure as indexed does not name the organisation.
56K records including Congressional staff health plan data leaked
6 Mar 2023
Critical6 Mar 2023
8.9M patient records exposed in LockBit ransomware attack
Healthcare · 8,900,000 records
8.9M patient records exposed in LockBit ransomware attack
6 Mar 2023
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
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