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.
5,452
Disclosures in the tracker, all years
2,166
Of those, indexed in 2026
116
Added in November
25
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 13 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Aug 2023
Information Commissioner's Office
Government · Records not stated
Afghan spreadsheet data breach with sensitive government information exposed
1 Aug 2023
Critical1 Aug 2023
Ministry of Defence
Government · Records not stated
Afghan spreadsheet data breach exposed sensitive information; incident disclosed August 2023
1 Aug 2023
Critical1 Aug 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Afghan spreadsheet data breach exposing sensitive information through ICO
1 Aug 2023
Critical1 Aug 2023
Ministry of Defence (UK)
Government · Records not stated
Afghan spreadsheet data breach exposed sensitive information, investigated by ICO
1 Aug 2023
Critical1 Aug 2023
Ministry of Defence (MoD)
Government · Records not stated
Afghan spreadsheet data breach exposed sensitive information
1 Aug 2023
Medium1 Aug 2023
McLaren Port Huron
Healthcare · 38,000 records
38K patient records exposed in BlackCat ransomware
1 Aug 2023
Medium1 Aug 2023
1 Aug 2023
Medium1 Aug 2023
1 Aug 2023
Medium1 Aug 2023
1 Aug 2023
Medium1 Aug 2023
1 Aug 2023
Medium1 Aug 2023
McLaren Macomb
Healthcare · 92,000 records
92K patient records exposed in BlackCat ransomware
1 Aug 2023
Medium1 Aug 2023
1 Aug 2023
Critical1 Aug 2023
McLaren Health Care
Healthcare · 2,200,000 records
2.2M patient records stolen in BlackCat/ALPHV ransomware
1 Aug 2023
High26 Jul 2023
BreachForums
Retail · 212,156 records
212,156 records exposed, Email addresses, IP addresses, Passwords, Private messages and 1 more
26 Jul 2023
High26 Jul 2023
Kenya MOH (E-Citizen)
Government · Records not stated
Hacktivist attack on Kenya's e-Citizen portal, government services disrupted
26 Jul 2023
Critical26 Jul 2023
Welltok
Healthcare · 8,500,000 records
8.5M patient records exposed via MOVEit vulnerability
26 Jul 2023
Critical25 Jul 2023
BookCrossing
Technology · 1,582,323 records
1,582,323 records exposed, Dates of birth, Email addresses, Geographic locations, IP addresses and 3 more
25 Jul 2023
Medium25 Jul 2023
Raymond James Financial
Finance · 47,000 records
47K client records exposed in vendor breach
25 Jul 2023
High25 Jul 2023
25 Jul 2023
High24 Jul 2023
Tigo
Technology · 700,394 records
700,394 records exposed, Device information, Email addresses, Genders, Geographic locations and 5 more
24 Jul 2023
Medium23 Jul 2023
Roblox
Technology · 52,458 records
52,458 records exposed, Account balances, Email addresses, IP addresses, Purchases and 1 more
23 Jul 2023
Medium22 Jul 2023
Liberty Mutual
Finance · Records not stated
45K policyholder records exposed in vendor breach
22 Jul 2023
Medium22 Jul 2023
22 Jul 2023
Medium22 Jul 2023
22 Jul 2023
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