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.
5,434
Disclosures in the tracker, all years
2,148
Of those, indexed in 2026
85
Added in November
25
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 11 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
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
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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