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.
5,491
Disclosures in the tracker, all years
2,079
Of those, indexed in 2026
141
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 30 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High1 Apr 2022
Bryan Health (Nebraska)
Healthcare · 134,000 records
134K patient records exposed in email breach
1 Apr 2022
High31 Mar 2022
Royal Enfield
Technology · 420,873 records
420,873 records exposed, Dates of birth, Email addresses, Genders, Names and 5 more
31 Mar 2022
High31 Mar 2022
Nordex SE (German Wind)
Sector not stated · Records not stated
Conti ransomware hit German wind turbine manufacturer, IT systems shut down
31 Mar 2022
High30 Mar 2022
Globant (Argentina)
Technology · Records not stated
Lapsus$ published 70GB of source code from Argentine tech unicorn
30 Mar 2022
High30 Mar 2022
Lapsus$ / Globant
Technology · Records not stated
70GB of source code stolen from IT consultancy
30 Mar 2022
Critical28 Mar 2022
Shields Health Care (tech)
Technology · 2,300,000 records
2.3M patient records exposed via technology vendor breach
28 Mar 2022
Critical28 Mar 2022
Shields Health Care Group
Healthcare · 2,000,000 records
2M patient records exposed in unauthorized network access
28 Mar 2022
Critical25 Mar 2022
25 Mar 2022
High23 Mar 2022
Trenitalia (Italian Railways)
Sector not stated · Records not stated
Hive ransomware disrupted Italian train ticket systems nationwide
23 Mar 2022
High22 Mar 2022
Hellenic Post (ELTA Greece)
Government · Records not stated
Vice Society ransomware disrupted Greek postal services nationwide
22 Mar 2022
Critical22 Mar 2022
Microsoft (Lapsus$ Global Impact)
Technology · Records not stated
Lapsus$ stole 37GB of Bing, Cortana, and Bing Maps source code
22 Mar 2022
High22 Mar 2022
Ukrposhta (Ukraine Post)
Government · Records not stated
Cyberattack disrupted Ukrainian postal service amid ongoing conflict
22 Mar 2022
High22 Mar 2022
22 Mar 2022
Medium22 Mar 2022
22 Mar 2022
Critical22 Mar 2022
Microsoft (LAPSUS$)
Technology · Records not stated
37GB of source code including Bing and Cortana stolen
22 Mar 2022
High22 Mar 2022
Okta (2022)
Technology · Records not stated
LAPSUS$ breached via third-party vendor Sitel, 366 customer tenants affected
22 Mar 2022
High21 Mar 2022
Greek Posts (ELTA)
Government · Records not stated
Vice Society ransomware disrupted Greek postal service, all branches offline
21 Mar 2022
High19 Mar 2022
ZAP-Hosting
Technology · 746,682 records
746,682 records exposed, Browser user agent details, Chat logs, Email addresses, IP addresses and 4 more
19 Mar 2022
High19 Mar 2022
Partnership HealthPlan
Healthcare · 854,000 records
854K patient records exposed in Hive ransomware
19 Mar 2022
Critical18 Mar 2022
TransUnion
Finance · Records not stated
3M consumer credit records exposed in South Africa breach
18 Mar 2022
Medium17 Mar 2022
P&O Ferries (UK)
Sector not stated · Records not stated
Employee data compromised following mass redundancy, HR systems breached
17 Mar 2022
Critical17 Mar 2022
TransUnion South Africa
Finance · Records not stated
54M consumer records stolen by N4ughtySec, $15M ransom demanded
17 Mar 2022
High17 Mar 2022
Caisse Nationale d'Assurance Maladie
Healthcare · Records not stated
510,000 French health insurance records stolen through compromised pharmacist accounts
17 Mar 2022
Medium16 Mar 2022
63K patient records exposed in email breach
Healthcare · 63,000 records
63K patient records exposed in email breach
16 Mar 2022
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