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.
5,345
Disclosures in the tracker, all years
2,058
Of those, indexed in 2026
119
Added in October
11
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 27 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High20 Feb 2020
MGM Resorts
Retail · 3,081,321 records
3,081,321 records exposed, Dates of birth, Email addresses, Names, Phone numbers and 1 more
20 Feb 2020
Critical20 Feb 2020
20 Feb 2020
Critical19 Feb 2020
19 Feb 2020
High18 Feb 2020
18 Feb 2020
High17 Feb 2020
ISS World Services (Denmark)
Sector not stated · Records not stated
Ransomware disrupted global facilities management firm, 500,000 employees affected
17 Feb 2020
High13 Feb 2020
FedEx / TNT Express
Sector not stated · Records not stated
119K scanned document images exposed in S3 misconfiguration
13 Feb 2020
Medium12 Feb 2020
12 Feb 2020
High11 Feb 2020
Ring / Amazon (insider)
Technology · Records not stated
3,672 employee accesses to customer camera feeds investigated
11 Feb 2020
Critical11 Feb 2020
11 Feb 2020
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
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