Weekly briefing No. 41 published 4 Oct 2026
Disclosure tracker › Disclosures in 2025
Intelligence · Disclosure tracker

Disclosures in 2025

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.

5,280
Disclosures in the tracker, all years
1,993
Of those, indexed in 2026
39
Added in October
9
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 15 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

980 results · Disclosures in 2025. Clear filters

Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
Data breach exposing 22.65 million individuals' records in June 2025
1 Jun 2025
Critical1 Jun 2025
Ahold Delhaize
Retail · 2,200,000 records
US operations breach exposed personal data of 2.2 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
Data breach involved 7.4 million records containing PII of Paraguayan citizens offered for sale
1 Jun 2025
High1 Jun 2025
Chess.com
Technology · 4,500 records
4,500 people had customer data stolen via file transfer tool compromise
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
22.65 million individuals affected in major data breach
1 Jun 2025
Critical1 Jun 2025
Qantas
Retail · 6,000,000 records
Cyber attack on third-party customer service platform impacting 6 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · 7,400,000 records
Data breach involving 7.4 million records of Paraguayan citizens' PII for sale
1 Jun 2025
Critical1 Jun 2025
Medical Billing Company
Healthcare · Records not stated
1.3 million protected health records leaked to dark web in ransomware attack
1 Jun 2025
Critical1 Jun 2025
Qantas
Retail · Records not stated
Cyber attack on third-party customer service platform impacted 6 million airline customers
1 Jun 2025
High1 Jun 2025
Ahold Delhaize
Retail · 2,200,000 records
Cyber-attack on US operations exposed personal data of 2.2 million customers
1 Jun 2025
Critical1 Jun 2025
Paraguay Government
Government · Records not stated
7.4 million citizen records containing PII offered for sale by cybercriminals
1 Jun 2025
Critical1 Jun 2025
Aflac
Finance · 1,300,000 records
22.65 million individuals affected by major data breach
1 Jun 2025
Critical1 Jun 2025
Organisation not named
Government · 7,400,000 records
The disclosure as indexed does not name the organisation.
Data breach involving 7.4 million records containing personally identifiable information of Paraguayan citizens
1 Jun 2025
Critical1 Jun 2025
Google, Facebook, Apple
Technology · Records not stated
16 billion login credentials leaked including passwords from Google, Facebook, Apple
1 Jun 2025
High1 Jun 2025
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient personal health information compromised in data breach affecting hospital system
1 Jun 2025
Critical1 Jun 2025
Google, Facebook, Apple (Multiple)
Technology · Records not stated
16 billion login credentials leaked including passwords for Google, Facebook, Apple and other sites
1 Jun 2025
Critical1 Jun 2025
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
16 billion login credentials leaked including passwords from Google, Facebook, and Apple
1 Jun 2025
Critical1 Jun 2025
16 billion login credentials leaked across major platforms
Technology · Records not stated
16 billion login credentials leaked across major platforms
1 Jun 2025
High1 Jun 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Energy facility breached via private APN, supplies heat to ~50,000 residents
1 Jun 2025
Critical1 Jun 2025
Qantas
Sector not stated · 6,000,000 records
Cyber attack on third-party customer service platform compromised 6 million customer records
1 Jun 2025
Critical1 Jun 2025
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Iran-linked cyberattacks on operational technology across water systems in 12 US states
1 Jun 2025
Critical1 Jun 2025
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology across at least 12 states; South Dakota and Georgia announced incidents
1 Jun 2025
High1 Jun 2025
LexisNexis
Legal · Records not stated
Suspicious activity detected on servers; Diligence, Metabase API, and Newsdesk services shut down
1 Jun 2025
High1 Jun 2025
North Carolina Ports
Sector not stated · Records not stated
Cybersecurity incident forced shift to manual operations; systems under restoration
1 Jun 2025
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