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.
5,397
Disclosures in the tracker, all years
2,112
Of those, indexed in 2026
25
Added in November
36
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 4 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
MEO
Retail · 8,227 records
8,227 records exposed, Email addresses, Names, Passwords, Phone numbers and 3 more
24 Apr 2023
High24 Apr 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Chinese state-sponsored actors targeted Canadian parliament and diaspora communities
24 Apr 2023
High24 Apr 2023
24 Apr 2023
Critical23 Apr 2023
Terravision
Technology · 2,075,625 records
2,075,625 records exposed, Dates of birth, Email addresses, Geographic locations, Names and 2 more
23 Apr 2023
High23 Apr 2023
National Gallery of Canada
Sector not stated · Records not stated
250K patron records exposed in cyberattack
23 Apr 2023
Medium22 Apr 2023
22 Apr 2023
High20 Apr 2023
Goodwin Procter (Canada ops)
Legal · Records not stated
Law firm data breach impacted Canadian operations
20 Apr 2023
Medium20 Apr 2023
Dracut Public Schools (MA)
Education · Records not stated
6K student records exposed in ransomware
20 Apr 2023
High18 Apr 2023
Hungarian Development Bank (MFB)
Finance · Records not stated
Cyberattack compromised Hungarian state bank systems
18 Apr 2023
Medium18 Apr 2023
Generali Seguros (Spain)
Finance · Records not stated
Insurance customer data compromised through third-party vendor breach
18 Apr 2023
Medium18 Apr 2023
18 Apr 2023
Medium18 Apr 2023
18 Apr 2023
Medium17 Apr 2023
Mission Community Hospital
Healthcare · 89,000 records
89K patient records exposed in ransomware
17 Apr 2023
Critical17 Apr 2023
Point32Health / Harvard Pilgrim
Healthcare · Records not stated
2.5M member records stolen in ransomware attack
17 Apr 2023
Medium17 Apr 2023
17 Apr 2023
Medium15 Apr 2023
Mesa Public Schools (AZ)
Education · Records not stated
77K student records exposed in data breach
15 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
Medium14 Apr 2023
68K utility customer records exposed
Government · Records not stated
68K utility customer records exposed
14 Apr 2023
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