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.
5,554
Disclosures in the tracker, all years
2,046
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 24 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Worldwide · How they got in
Incidents worldwide, by country.
74 incidents from 11 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- Germany21 Oct 2026IQ.LvbsThe source does not say how they got in.The Register
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Oxfam
Finance · 1,834,006 records
1,834,006 records exposed, Bank account numbers, Dates of birth, Email addresses, Genders and 5 more
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Medium2 Mar 2021
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Microsoft Exchange Server (Hafnium)
Technology · Records not stated
250K+ Exchange servers exploited globally via ProxyLogon zero-days
2 Mar 2021
Critical1 Mar 2021
Ticketcounter
Finance · 1,921,722 records
1,921,722 records exposed, Bank account numbers, Dates of birth, Email addresses, Genders and 5 more
1 Mar 2021
Critical1 Mar 2021
Universal Health Services (2021)
Healthcare · Records not stated
UHS reported $67M in losses from 2020 Ryuk ransomware
1 Mar 2021
Medium1 Mar 2021
1 Mar 2021
High1 Mar 2021
1 Mar 2021
Critical28 Feb 2021
SuperVPN & GeckoVPN
Technology · 20,339,937 records
20,339,937 records exposed, Device information, Device serial numbers, Email addresses, Geographic locations and 2 more
28 Feb 2021
High27 Feb 2021
Campbell Conroy & O'Neil
Legal · Records not stated
Ransomware hit law firm serving Fortune 500 clients
27 Feb 2021
Critical24 Feb 2021
SITA (Global Aviation)
Sector not stated · Records not stated
Aviation IT provider breach exposed passenger data of 40+ airlines worldwide
24 Feb 2021
Critical24 Feb 2021
SITA
Technology · Records not stated
4.5M airline passenger records exposed in aviation IT provider breach
24 Feb 2021
High23 Feb 2021
People's Energy
Technology · 358,822 records
358,822 records exposed, Dates of birth, Email addresses, Names, Passwords and 2 more
23 Feb 2021
Medium23 Feb 2021
23 Feb 2021
Critical23 Feb 2021
NetGalley
Retail · 1,436,435 records
1,436,435 records exposed, Dates of birth, Email addresses, IP addresses, Names and 4 more
23 Feb 2021
High23 Feb 2021
Filmai.in
Technology · 645,786 records
645,786 records exposed, Email addresses, Passwords, Usernames
23 Feb 2021
High23 Feb 2021
Bombardier
Sector not stated · Records not stated
Data stolen via Accellion file transfer vulnerability
23 Feb 2021
Medium23 Feb 2021
Central Piedmont Community College
Education · Records not stated
55K student records exposed in ransomware
23 Feb 2021
Medium20 Feb 2021
St. Margaret's Health (Spring Valley IL)
Healthcare · Records not stated
95K patient records exposed, hospital permanently closed partly due to ransomware
20 Feb 2021
Medium20 Feb 2021
Organisation not named
Healthcare · 95,000 records
The disclosure as indexed does not name the organisation.
95K patient records exposed, hospital permanently closed partly due to ransomware
20 Feb 2021
Medium20 Feb 2021
Organisation not named
Healthcare · 95,000 records
The disclosure as indexed does not name the organisation.
95K patient records exposed, hospital permanently closed partly due to ransomware
20 Feb 2021
Medium20 Feb 2021
Organisation not named
Healthcare · 95,000 records
The disclosure as indexed does not name the organisation.
95K patient records exposed, hospital permanently closed partly due to ransomware
20 Feb 2021
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