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.
5,306
Disclosures in the tracker, all years
2,020
Of those, indexed in 2026
68
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 20 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.
65 incidents from 12 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.
- Germany6 Oct 2026Wikimedia FoundationHow they got in: automated AI tools that work through many organizations at once.The Hacker News
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Data breach confirmed at private equity firm amid financial sector hacking wave
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284M records stolen including PII and PHI by ShinyHunters
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Hackers claim millions of patient records stolen during data breach
1 Aug 2026
High1 Aug 2026
US Bank
Finance · Records not stated
LockBit ransomware breach with stolen data threatened for publication
1 Aug 2026
High1 Aug 2026
ATF
Government · Records not stated
Cybersecurity incident confirmed after Qilin ransomware group claimed attack on federal agency
1 Aug 2026
Critical1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health data and intellectual property
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
9.5M patient records exposed from healthcare technology company
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Private equity firm confirms data breach amid hacking wave targeting financial giants
1 Aug 2026
High1 Aug 2026
AnMed
Healthcare · Records not stated
Healthcare system cyberattack caused facility closures and prolonged recovery with data breach impact
1 Aug 2026
High1 Aug 2026
ATF
Government · Records not stated
Cyber incident confirmed after Qilin ransomware group claimed attack on federal agency
1 Aug 2026
High1 Aug 2026
Trezor
Finance · 81,000 records
81,000 customers' data accessed in breach involving customer information exposure
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,750,000 records
3.75 million patient records exposed including medical data, SSNs, and banking information via AWS breach
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Healthcare technology company data breach affected 9.5 million patients
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Private equity firm confirms data breach amid hacking wave targeting financial sector
1 Aug 2026
High1 Aug 2026
Coca-Cola/Fairlife
Retail · Records not stated
Data breach following ransomware attack on dairy subsidiary Fairlife
1 Aug 2026
High1 Aug 2026
Pokémon Center
Retail · Records not stated
Customer delivery data and personal information compromised in data breach
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Healthcare technology company breach exposed protected health information of 9.5 million patients
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Breach exposed medical conditions, Social Security numbers, and genetic data for 2.8 million people
1 Aug 2026
High1 Aug 2026
ATF
Government · Records not stated
Federal agency confirmed cyber incident after Qilin ransomware group claimed attack
1 Aug 2026
Critical1 Aug 2026
McKesson
Healthcare · Records not stated
Healthcare distribution giant suffered unauthorized access; patient data theft claimed by ShinyHunters
1 Aug 2026
Medium1 Aug 2026
Pokémon Center
Retail · Records not stated
Attackers obtained customer delivery data from breach
1 Aug 2026
High1 Aug 2026
AnMed Health
Healthcare · Records not stated
Ransomware attack on healthcare system
1 Aug 2026
Critical1 Aug 2026
National Public Data
Sector not stated · 272,000,000 records
Breach exposed 272 million SSNs and personal records
1 Aug 2026
Critical1 Aug 2026
Baylor Genetics
Healthcare · 2,800,000 records
Data breach exposed 2.8 million people's medical conditions and Social Security numbers
1 Aug 2026
Were you affected?