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.
5,405
Disclosures in the tracker, all years
2,119
Of those, indexed in 2026
42
Added in November
43
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 6 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High6 Feb 2023
Memorial University of Newfoundland
Education · Records not stated
Cyberattack compromised student and employee data across all campuses
6 Feb 2023
High6 Feb 2023
Ardagh Group
Sector not stated · Records not stated
Ransomware disrupted glass and metal packaging manufacturer
6 Feb 2023
High6 Feb 2023
Lehigh Valley Health Network
Healthcare · 135,000 records
135K patient records and clinical images leaked by BlackCat ransomware
6 Feb 2023
Critical6 Feb 2023
Monument / Tempest (telehealth)
Healthcare · 2,500,000 records
2.5M patient records shared via tracking pixels on mental health platform
6 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
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