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.
5,314
Disclosures in the tracker, all years
2,028
Of those, indexed in 2026
76
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 21 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High8 Feb 2020
Redcar and Cleveland Council
Government · Records not stated
Ransomware disrupted council services for 3+ months, estimated 10M GBP recovery
8 Feb 2020
Critical6 Feb 2020
Adult FriendFinder (2016)
Retail · 169,746,810 records
169,746,810 records exposed, Email addresses, Passwords, Spoken languages, Usernames
6 Feb 2020
High6 Feb 2020
NTT Communications (Japan)
Technology · Records not stated
900 corporate customer records compromised in targeted breach
6 Feb 2020
High4 Feb 2020
CSC (Denmark IT Provider)
Government · Records not stated
2.5TB of Danish citizen data stolen from government IT outsourcer
4 Feb 2020
Critical4 Feb 2020
Anthem Inc (BCBS)
Healthcare · 78,800,000 records
78.8M records, largest healthcare breach in US history at the time
4 Feb 2020
High3 Feb 2020
Edenred (France)
Finance · Records not stated
Clop ransomware targeted French payment solutions provider
3 Feb 2020
High3 Feb 2020
NEC Corporation (Japan)
Sector not stated · 28,000 records
Defense division compromised by state-sponsored actors, 28,000 files accessed
3 Feb 2020
High30 Jan 2020
Bouygues Construction (France)
Sector not stated · Records not stated
Maze ransomware stole data from French construction conglomerate
30 Jan 2020
Medium29 Jan 2020
Midwest Transplant Network
Healthcare · 17,000 records
17K patient records exposed in Maze ransomware
29 Jan 2020
High28 Jan 2020
DailyObjects
Retail · 464,260 records
464,260 records exposed, Email addresses, Names, Passwords, Phone numbers and 1 more
28 Jan 2020
Critical28 Jan 2020
28 Jan 2020
High25 Jan 2020
Tout
Retail · 652,683 records
652,683 records exposed, Bios, Email addresses, Geographic locations, IP addresses and 3 more
25 Jan 2020
High24 Jan 2020
Beaumont Health
Healthcare · 112,000 records
112K patient records exposed in phishing incident
24 Jan 2020
High22 Jan 2020
Tillamook County OR
Government · Records not stated
Ransomware shut down county government for weeks
22 Jan 2020
High22 Jan 2020
Ambry Genetics
Healthcare · 233,000 records
233K patient genetic testing records exposed in email breach
22 Jan 2020
Critical20 Jan 2020
Mitsubishi Electric (Japan)
Sector not stated · Records not stated
Chinese APT stole defense and infrastructure data, 8,000 employee records
20 Jan 2020
Critical20 Jan 2020
Astoria Company
Technology · Records not stated
40M consumer marketing records exposed in misconfigured S3
20 Jan 2020
Critical20 Jan 2020
Heartland Payment Systems
Finance · Records not stated
130M credit card numbers exposed, one of largest financial breaches
20 Jan 2020
High15 Jan 2020
europa.jobs
Technology · 226,095 records
226,095 records exposed, Dates of birth, Email addresses, Geographic locations, Job applications and 4 more
15 Jan 2020
Critical15 Jan 2020
Adult Friend Finder
Technology · 340,000,000 records
340M user records exposed in historical breach data resurfacing
15 Jan 2020
Critical15 Jan 2020
Inmediata Health Group
Healthcare · 1,570,000 records
1.57M patient records exposed via website misconfiguration
15 Jan 2020
High12 Jan 2020
Planet Calypso
Retail · 62,261 records
62,261 records exposed, Email addresses, IP addresses, Passwords, Usernames
12 Jan 2020
Critical11 Jan 2020
Go Games
Retail · 3,430,083 records
3,430,083 records exposed, Email addresses, IP addresses, Passwords, Usernames
11 Jan 2020
Medium11 Jan 2020
BtoBet
Finance · 444,241 records
444,241 records exposed, Dates of birth, Email addresses, Financial transactions, Geographic locations and 3 more
11 Jan 2020
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