Weekly briefing No. 41 published 4 Oct 2026
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.

5,306
Disclosures in the tracker, all years
2,020
Of those, indexed in 2026
69
Added in October
19
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.

3,996 results · Disclosures in 2026. Clear filters

Critical1 Jul 2026
Network intrusion
Government · Records not stated
Network intrusion confirmed after being twice ruled false positive, supporting World Cup infrastructure
1 Jul 2026
High1 Jul 2026
Coca-Cola Fairlife
Retail · Records not stated
Ransomware attack on dairy products subsidiary Fairlife resulted in confirmed data breach
1 Jul 2026
High1 Jul 2026
Network intrusion
Government · Records not stated
Network intrusion confirmed on Homeland Security Information Network supporting World Cup operations
1 Jul 2026
High1 Jul 2026
Fairlife (Coca-Cola subsidiary)
Retail · Records not stated
Ransomware attack resulted in confirmed data breach; production suspended
1 Jul 2026
High1 Jul 2026
KT
Technology · Records not stated
Data breach via illegal base stations, fined 54 billion won
1 Jul 2026
High1 Jul 2026
Bank of Baroda
Finance · Records not stated
Major cyberattack; alleged data breach in India affecting bank records
1 Jul 2026
High1 Jul 2026
Lifespan Physicians Group
Healthcare · 290,000 records
Data breach exposed over 290,000 patient records
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Patient records stolen in cyber-attack affecting 21 Australian clinics; personal and medical data breached
1 Jul 2026
High1 Jul 2026
All About Women's Care
Healthcare · 12,000 records
Data breach compromised information of 12,000 patients in Colorado
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Threat actor stole vast trove of sensitive data including access keys and source code from consulting giant
1 Jul 2026
High1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Network intrusion on Homeland Security Information Network confirmed after being ruled false positive twice
1 Jul 2026
Critical1 Jul 2026
Instructure Canvas (Supply Chain)
Education · Records not stated
Single supply chain breach generated 58% of all breach notices in 2026
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Threat actor claims theft of vast trove of sensitive data including access keys and source code
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Network intrusion on Homeland Security Information Network confirmed after twice being ruled false positive
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife subsidiary)
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in theft of company data
1 Jul 2026
High1 Jul 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in data breach
1 Jul 2026
High1 Jul 2026
Department of Homeland Security
Government · Records not stated
Network intrusion on Homeland Security Information Network confirmed after being twice ruled false positive
1 Jul 2026
High1 Jul 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in confirmed data breach
1 Jul 2026
High1 Jul 2026
Bank of Baroda
Finance · Records not stated
Major data breach affecting Indian corporate operations
1 Jul 2026
High1 Jul 2026
Partnered Health
Healthcare · Records not stated
Cyber-attack on 21 clinics exposed personal information and medical details and notes
1 Jul 2026
High1 Jul 2026
Lifespan Physicians Group
Healthcare · 290,000 records
Data breach exposed sensitive information of at least 290,000 patient records
1 Jul 2026
High1 Jul 2026
Fairlife (Coca-Cola subsidiary)
Retail · Records not stated
Company data stolen in ransomware attack on dairy subsidiary
1 Jul 2026
Critical1 Jul 2026
Qantas
Retail · Records not stated
Simple human error exposed 5.7 million Qantas passenger records and personal information.
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Consulting giant Accenture suffered cyberattack with theft of vast trove of sensitive data including access keys and source code.
1 Jul 2026
Were you affected?