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.

5,302
Disclosures in the tracker, all years
2,017
Of those, indexed in 2026
68
Added in October
18
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.

3,995 results · Disclosures in 2026. Clear filters

Critical1 Jul 2026
Amgen
Healthcare · Records not stated
Patient health data and intellectual property stolen via compromised cloud environment
1 Jul 2026
Critical1 Jul 2026
Origin Energy
Sector not stated · 2,000,000 records
Data breach with information of 2 million customers stolen by hacker
1 Jul 2026
Critical1 Jul 2026
Accenture
Technology · Records not stated
Data breach with 35GB of internal data including source code and credentials stolen
1 Jul 2026
High1 Jul 2026
Coca-Cola Fairlife
Retail · Records not stated
Ransomware attack on Fairlife dairy subsidiary resulted in data breach
1 Jul 2026
High1 Jul 2026
Comcast Xfinity
Technology · 35,000,000 records
Cyberattack exposed personal information of Xfinity customers; $117.5M settlement
1 Jul 2026
Critical1 Jul 2026
Madera Community Hospital
Healthcare · 150,000 records
150,000 patients' personal, financial, and medical information stolen by extortion group
1 Jul 2026
High1 Jul 2026
Apollo Global Management
Finance · Records not stated
Hackers stole personal information in data breach targeting financial firms
1 Jul 2026
High1 Jul 2026
Hugging Face
Technology · Records not stated
Breach involving rogue AI agent that exposed credentials across multiple services
1 Jul 2026
High1 Jul 2026
Origin Energy
Sector not stated · Records not stated
Approximately 60 customers' full bank accounts and ID numbers accessed in July breach
1 Jul 2026
High1 Jul 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy subsidiary Fairlife resulted in data breach
1 Jul 2026
High1 Jul 2026
Apollo Global Management
Finance · Records not stated
Data breach exposed personal information of customers after hacker attack on financial firm
1 Jul 2026
High1 Jul 2026
Aesto Health
Healthcare · Records not stated
Patient information impacted in data breach; lawsuit possible
1 Jul 2026
Critical1 Jul 2026
Conduent
Healthcare · 62,200,000 records
62.2M people affected in third-largest US healthcare breach ever
1 Jul 2026
High1 Jul 2026
Nova Scotia Power
Sector not stated · Records not stated
Hacked customer data spanning three decades was not deleted as planned
1 Jul 2026
High1 Jul 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack resulted in data theft; hackers confirmed data deletion
1 Jul 2026
High1 Jul 2026
Origin Energy
Sector not stated · Records not stated
Approximately 60 customers' full bank account numbers and ID numbers accessed in July breach
1 Jul 2026
High1 Jul 2026
Accenture
Technology · Records not stated
Data breach after hacker claimed theft of 35GB internal data including source code and credentials
1 Jul 2026
High1 Jul 2026
Data theft
Government · Records not stated
Data theft confirmed after dark web leak, ExfilSquad claimed 135000 contact records
1 Jul 2026
Critical1 Jul 2026
Thailand Digital Ministry
Government · Records not stated
221 million login records exposed online, identified by Digital Ministry
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife subsidiary)
Retail · Records not stated
Data breach from ransomware attack on Fairlife dairy subsidiary
1 Jul 2026
High1 Jul 2026
Apollo Global Management
Finance · Records not stated
Data breach in July 2026 where hackers stole personal information from asset manager
1 Jul 2026
High1 Jul 2026
Hugging Face
Technology · Records not stated
Breach exposed credentials used by OpenAI agent across four services
1 Jul 2026
Critical1 Jul 2026
Instructure Canvas
Education · Records not stated
Supply chain breach generated 58% of all breach notices in 2026
1 Jul 2026
High1 Jul 2026
Nova Scotia Power
Sector not stated · Records not stated
Three decades of customer data not deleted as planned after breach
1 Jul 2026
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