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.
5,398
Disclosures in the tracker, all years
2,113
Of those, indexed in 2026
26
Added in November
33
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 5 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Medium7 Apr 2023
47K records exposed in email breach
Government · 47,000 records
47K records exposed in email breach
7 Apr 2023
Critical7 Apr 2023
MSI / Micro-Star
Technology · Records not stated
Intel Boot Guard private keys stolen in Money Message ransomware
7 Apr 2023
Critical6 Apr 2023
Enzo Clinical Labs
Healthcare · 2,470,000 records
2.47M patient records exposed in April 2023 ransomware
6 Apr 2023
Medium6 Apr 2023
Rochester Public Schools (MN)
Education · Records not stated
7,500 student records exposed in Medusa ransomware
6 Apr 2023
Critical6 Apr 2023
Enzo Biochem
Healthcare · 2,470,000 records
2.47M patient test results and SSNs exposed in ransomware
6 Apr 2023
Critical5 Apr 2023
Genesis Market
Finance · 8,000,000 records
8,000,000 records exposed, Browser user agent details, Credit card CVV, Credit cards, Dates of birth and 6 more
5 Apr 2023
Medium5 Apr 2023
Sunnybrook Hospital (Toronto)
Healthcare · Records not stated
Research data exposed via third-party vendor
5 Apr 2023
Critical5 Apr 2023
MSI / Micro-Star (Taiwan)
Technology · Records not stated
Money Message ransomware stole 1.5TB, firmware signing keys published
5 Apr 2023
High5 Apr 2023
5 Apr 2023
Medium5 Apr 2023
5 Apr 2023
Critical5 Apr 2023
Apria Healthcare
Healthcare · 1,870,000 records
1.87M patient records exposed in unauthorized access over 2 years
5 Apr 2023
Medium4 Apr 2023
City of Westmount (Quebec)
Government · Records not stated
LockBit attacked Montreal suburb, municipal services and resident data exposed
4 Apr 2023
High4 Apr 2023
KNVB (Dutch Football Association)
Sector not stated · Records not stated
LockBit stole 305GB, employee and member data published on dark web
4 Apr 2023
Medium3 Apr 2023
3 Apr 2023
Medium2 Apr 2023
2 Apr 2023
Critical1 Apr 2023
WebTPA Employer Services
Healthcare · 2,400,000 records
Medical claims administrator hacked in April 2023, 2.4 million individuals notified of exposure
1 Apr 2023
High1 Apr 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Data incident reported on hosting solutions provider affecting clients
1 Apr 2023
High1 Apr 2023
Data breach incident reported; hosting solutions provider compromised
Technology · Records not stated
Data breach incident reported; hosting solutions provider compromised
1 Apr 2023
Medium1 Apr 2023
TorchByte
Technology · Records not stated
Data breach alleged at hosting solutions provider (formerly Tic Hosting Solutions)
1 Apr 2023
Medium1 Apr 2023
1 Apr 2023
Medium1 Apr 2023
1 Apr 2023
High31 Mar 2023
Sundry Files
Retail · 274,461 records
274,461 records exposed, Email addresses, IP addresses, Passwords, Usernames
31 Mar 2023
High31 Mar 2023
Leaked Reality
Retail · 114,907 records
114,907 records exposed, Email addresses, IP addresses, Passwords, Usernames
31 Mar 2023
Critical31 Mar 2023
Capita PLC Breach
Technology · Records not stated
90TB of data stolen, pensions, NHS data, MOD records compromised by Black Basta
31 Mar 2023
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