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.
5,369
Disclosures in the tracker, all years
2,085
Of those, indexed in 2026
4
Added in November
24
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 2 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Feb 2024
Change Healthcare
Healthcare · 100,000,000 records
Ransomware attack in Feb 2024 exposed data from up to 100 million people
1 Feb 2024
Critical1 Feb 2024
Viamedis / Almerys (France)
Healthcare · Records not stated
33M health insurance records stolen from two major French third-party payment providers
1 Feb 2024
Medium1 Feb 2024
Ernest Health
Healthcare · 94,000 records
94K patient records exposed in ransomware across 30 hospitals
1 Feb 2024
High31 Jan 2024
Lurie Children's Hospital
Healthcare · Records not stated
790K pediatric patient records stolen in Rhysida ransomware
31 Jan 2024
Critical29 Jan 2024
Fulton County GA
Government · Records not stated
LockBit ransomware disrupted county courts and government
29 Jan 2024
High27 Jan 2024
MyPertamina
Technology · 5,970,416 records
5,970,416 records exposed, Dates of birth, Email addresses, Genders, Names and 3 more
27 Jan 2024
High24 Jan 2024
Ambulance Victoria
Healthcare · Records not stated
30,000+ employee records stolen by Agenda ransomware group
24 Jan 2024
Critical22 Jan 2024
Trello
Technology · 15,111,945 records
15,111,945 records exposed, Email addresses, Names, Usernames
22 Jan 2024
Medium22 Jan 2024
Affinity Credit Union (Saskatchewan)
Finance · Records not stated
Member data compromised in cyberattack on Saskatchewan credit union
22 Jan 2024
Medium22 Jan 2024
22 Jan 2024
High22 Jan 2024
EquiLend Holdings
Finance · Records not stated
LockBit ransomware disrupted securities lending platform
22 Jan 2024
High21 Jan 2024
Subway
Technology · Records not stated
LockBit ransomware stole financial data from sandwich chain
21 Jan 2024
Critical20 Jan 2024
Tietoevry (Finland/Sweden)
Technology · Records not stated
Akira ransomware disrupted Tietoevry cloud hosting, Swedish universities and firms hit
20 Jan 2024
Medium20 Jan 2024
20 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
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