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.
5,278
Disclosures in the tracker, all years
1,992
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
Elasticsearch Database
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials from infostealers and breach collections
1 Jun 2026
Critical1 Jun 2026
Charter Communications
Technology · 42,000,000 records
Data breach exposing 42M customer records after ShinyHunters extortion threat
1 Jun 2026
Critical1 Jun 2026
Tata Electronics
Technology · Records not stated
Data breach confirmed with 630GB stolen including Apple and Tesla supplier documents
1 Jun 2026
High1 Jun 2026
LastPass
Technology · Records not stated
Data breach at third-party vendor exposing customer data confirmed
1 Jun 2026
Critical1 Jun 2026
Aflac Japan
Finance · 1,300,000 records
Data breach exposed 4.38 million customers' personal information
1 Jun 2026
High1 Jun 2026
FirstClass
Retail · Records not stated
Sydney-based travel agency hit by alleged data breach with customer records leaked by threat actor
1 Jun 2026
Critical1 Jun 2026
Canada Life
Finance · 5,500,000 records
5.5 million records allegedly compromised and offered for sale on underground cybercrime forum
1 Jun 2026
High1 Jun 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Second data breach in six months; student records accidentally leaked
1 Jun 2026
High1 Jun 2026
Fortinet
Technology · Records not stated
74,000 Fortinet firewall and VPN gateway credentials stolen from configuration files in FortiBleed leak
1 Jun 2026
Critical1 Jun 2026
Coupang
Retail · 33,700,000 records
Data breach exposed 33.7 million accounts, resulted in $409M fine from South Korea
1 Jun 2026
High1 Jun 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Patient data compromised in third-party breach related to Cerner system
1 Jun 2026
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed: 73,932 FortiGate firewall devices exposed with admin and VPN credentials compromised
1 Jun 2026
Critical1 Jun 2026
Novo Nordisk
Healthcare · Records not stated
Cyber extortion group claimed breach; over 1TB of data stolen, $25M extortion attempted
1 Jun 2026
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed campaign exposed admin and VPN credentials for 73,932 FortiGate firewalls and VPN gateways
1 Jun 2026
Critical1 Jun 2026
Novo Nordisk
Healthcare · Records not stated
Cyber extortion group claimed theft of over 1 terabyte of data with $25 million extortion attempt
1 Jun 2026
Critical1 Jun 2026
Charter Communications
Technology · 42,000,000 records
Data breach exposed 42 million customer records after ShinyHunters extortion threat
1 Jun 2026
High1 Jun 2026
LastPass
Technology · Records not stated
Data breach confirmed affecting customer data through third-party vendor compromise
1 Jun 2026
Critical1 Jun 2026
Odido
Sector not stated · 6,500,000 records
ShinyHunters stole 6.5M customer records and demanded €1M ransom
1 Jun 2026
High1 Jun 2026
FirstClass
Retail · Records not stated
Travel agency customer records allegedly breached and leaked on underground hacking forums
1 Jun 2026
High1 Jun 2026
Veradigm
Healthcare · Records not stated
Electronic health records company disclosed customer data stolen after hackers infiltrated vendor's systems
1 Jun 2026
High1 Jun 2026
Essex NHS Trust
Healthcare · 900,000 records
Thousands of patient records stolen in cyber attack, disclosed more than six months after notification
1 Jun 2026
Critical1 Jun 2026
Elasticsearch database (unnamed organization)
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials, one of largest infostealer compilations
1 Jun 2026
High1 Jun 2026
Partnered Health
Healthcare · Records not stated
Australian GP network breach exposed patient records reaching dark web
1 Jun 2026
High1 Jun 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Third-party data breach exposed patient information across hospital facilities
1 Jun 2026
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