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
1,991
Of those, indexed in 2026
37
Added in October
8
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 14 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,945 results · Disclosures in 2026. Clear filters
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach with 284 million records stolen by ShinyHunters extortion group
1 Sep 2026
High1 Sep 2026
Novocure
Healthcare · Records not stated
Cyberattack exposed US patient records in oncology firm systems
1 Sep 2026
High1 Sep 2026
Canva
Technology · Records not stated
Data breach affected 424 organizations in Turkey, exposing personal information
1 Sep 2026
High1 Sep 2026
Data breach
Government · Records not stated
Data breach investigating potential exposure of driver information including licenses
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data breach with attackers demanding $3 million ransom; threatening to sell stolen data
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
Data breach exposed 7.49 million customer records
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data breached in cyberattack around Labor Day; may include Social Security numbers
1 Sep 2026
High1 Sep 2026
Spain's data protection authority
Government · Records not stated
Spain's data protection authority suffered a data breach executed by an autonomous AI agent
1 Sep 2026
Critical1 Sep 2026
Breach
Healthcare · 727,000 records
Breach exposed 727,000 patient and contact records, resulting in €500K CNIL fine
1 Sep 2026
Critical1 Sep 2026
Manchester Airport Group
Sector not stated · 8,700,000 records
Breach affected 8.7 million customers with approximately 640GB of data stolen
1 Sep 2026
High1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach of motor vehicle records tied to credentials stolen from officer's personal device by ShinyHunters
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data leak confirmed where personal data of limited customers shared with fraudster posing as official
1 Sep 2026
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284 million records stolen including PII and PHI by ShinyHunters
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Employee and dependent data breach exposing SSNs, financial details, and PII
1 Sep 2026
High1 Sep 2026
Data breach of driver information under investigation
Government · Records not stated
Data breach of driver information under investigation
1 Sep 2026
Critical1 Sep 2026
CenterPoint Energy
Sector not stated · 7,490,000 records
Data breach exposing 7.49 million customer records; files stolen from systems
1 Sep 2026
High1 Sep 2026
Springfield Public Schools
Education · Records not stated
Student and staff data compromised in cyberattack around Labor Day; possible Social Security numbers exposed
1 Sep 2026
High1 Sep 2026
Florida DMV
Government · Records not stated
Single Plant City police login exposed Florida DMV driver data
1 Sep 2026
Critical1 Sep 2026
McKesson
Healthcare · 284,000,000 records
Data breach confirmed with 284 million records stolen by ShinyHunters including PII and PHI
1 Sep 2026
High1 Sep 2026
Revolut
Finance · Records not stated
Data leak exposed personal data of limited customer base due to mistaken sharing with fraudster
1 Sep 2026
High1 Sep 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Data breach caused by credentials stolen from officer's personal device, claimed by ShinyHunters
1 Sep 2026
High1 Sep 2026
New Hampshire Supreme Court
Government · Records not stated
Data breach exposed 13+ years of case files with unauthorized access to court records
1 Sep 2026
High1 Sep 2026
Elixir Medical
Healthcare · Records not stated
Data breach exposing SSNs, financial details and PII of current and former employees and dependents
1 Sep 2026
Critical1 Sep 2026
IDScan
Sector not stated · Records not stated
Data breach exposing over 150 million driver's license records
1 Sep 2026
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