Disclosure tracker › Disclosures in 2026
Intelligence · Disclosure tracker
Disclosures in 2026
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.
5,282
Disclosures in the tracker, all years
1,995
Of those, indexed in 2026
41
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 16 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,949 results · Disclosures in 2026. Clear filters
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed breach exposed credentials for 73,932 FortiGate systems including admin and VPN credentials
1 Jun 2026
High1 Jun 2026
FirstClass
Retail · Records not stated
Australian travel agency customer records allegedly breached by threat actor on underground forums
1 Jun 2026
Critical1 Jun 2026
Medical billing company
Healthcare · 1,300,000 records
2025 ransomware attack exposed sensitive health data on 1.3 million people leaked to dark web
1 Jun 2026
High1 Jun 2026
Partnered Health
Healthcare · Records not stated
Patient records exposed in breach at Australian primary healthcare provider network
1 Jun 2026
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed campaign exposed verified administrator credentials and VPN access for over 73,000 FortiGate firewall devices globally
1 Jun 2026
Critical1 Jun 2026
Odido
Sector not stated · 6,500,000 records
ShinyHunters stole 6.5M customer records, €1M ransom demanded
1 Jun 2026
Critical1 Jun 2026
Aflac Japan
Finance · 1,300,000 records
4.38 million customer records stolen by hackers containing personal data
1 Jun 2026
High1 Jun 2026
Lands' End
Retail · Records not stated
Customer data breach settled for $5,000 per affected individual
1 Jun 2026
High1 Jun 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Patient data compromised in third-party vendor breach, affecting multiple hospital facilities
1 Jun 2026
High1 Jun 2026
Bedfordshire Hospital
Healthcare · Records not stated
Patient names, NHS numbers and test results exposed in cyber attack affecting hospital patients
1 Jun 2026
High1 Jun 2026
Essex NHS Trust
Healthcare · 900,000 records
Thousands of patient records stolen in cyber attack, disclosed over six months after notification
1 Jun 2026
High1 Jun 2026
Veradigm
Healthcare · Records not stated
Electronic health records company confirms customer data stolen after hackers infiltrated vendor systems
1 Jun 2026
Critical1 Jun 2026
MCBS
Healthcare · 1,200,000 records
Medical business management company breach affected 1.2 million individuals
1 Jun 2026
Critical1 Jun 2026
Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed sensitive protected health data on 1.3 million people
1 Jun 2026
Critical1 Jun 2026
Odido
Technology · 6,500,000 records
ShinyHunters stole 6.5 million customer records, €1M ransom demanded
1 Jun 2026
High1 Jun 2026
FirstClass
Retail · Records not stated
Australian travel agency data breach with customer records compromised by threat actor
1 Jun 2026
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed campaign exposed verified admin credentials and VPN access for 73,932 FortiGate systems
1 Jun 2026
Critical1 Jun 2026
Baylor Genetics
Healthcare · 2,800,000 records
2.8 million patients affected; exposed medical conditions, SSNs, and employee information
1 Jun 2026
Critical1 Jun 2026
Charter Communications
Technology · 42,000,000 records
Data breach confirmed; ShinyHunters extortion group threatened release of customer data; 42 million records
1 Jun 2026
Critical1 Jun 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed; ShinyHunters claimed theft of 284 million records including PII and PHI
1 Jun 2026
Critical1 Jun 2026
Odido
Sector not stated · 6,500,000 records
ShinyHunters stole 6.5M customer records; €1M ransom demanded
1 Jun 2026
Critical1 Jun 2026
Aflac Japan
Finance · 1,300,000 records
Exposed 4.38 million customers; second major breach in over a year
1 Jun 2026
High1 Jun 2026
FirstClass
Sector not stated · Records not stated
Customer records breached; Sydney-based travel agency data allegedly stolen and posted on underground hacking forums
1 Jun 2026
Critical1 Jun 2026
Canada Life
Finance · 5,500,000 records
5.5 million records allegedly exposed including customer, employee, and corporate data
1 Jun 2026
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