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.
Worldwide · How they got in
Incidents worldwide, by country.
73 incidents from 9 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.
- South Korea10 Oct 2026South Korean banksHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
High1 Aug 2026
AnMed Health System
Healthcare · Records not stated
Cyberattack affected healthcare operations, facilities closed for extended recovery
1 Aug 2026
Critical1 Aug 2026
Veradigm
Healthcare · 3,500,000 records
3.5M patient records stolen by Gentlemen ransomware gang
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
9.5M patient health records exposed
1 Aug 2026
Critical1 Aug 2026
IDScan.net
Sector not stated · Records not stated
1.1 million Canadian records leaked including 470,000+ Ontario driver's licenses
1 Aug 2026
Critical1 Aug 2026
Manchester Airports Group
Sector not stated · 8,700,000 records
Cyberattack exposed customer data of 8.7 million individuals
1 Aug 2026
High1 Aug 2026
US Bank
Finance · Records not stated
Investigating LockBit ransomware breach claim with threat to publish stolen data
1 Aug 2026
Critical1 Aug 2026
Aesto Health
Healthcare · 9,500,000 records
Data breach affects 9.5 million patients at Birmingham, Alabama-based healthcare technology company
1 Aug 2026
High1 Aug 2026
Veradigm
Healthcare · Records not stated
Customer data stolen after hackers infiltrated vendor systems at electronic health record company
1 Aug 2026
Critical1 Aug 2026
National Public Data
Sector not stated · 272,000,000 records
Breach exposed 272+ million SSNs and records
1 Aug 2026
High1 Aug 2026
Berlin Government
Government · Records not stated
Rhysida ransomware group targeted government with claimed data theft
1 Aug 2026
High1 Aug 2026
Apollo Global Management
Finance · Records not stated
Private equity firm confirmed data breach amid financial sector hacking wave
1 Aug 2026
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
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