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.

5,280
Disclosures in the tracker, all years
1,993
Of those, indexed in 2026
39
Added in October
7
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.

3,947 results · Disclosures in 2026. Clear filters

Critical11 Aug 2026
CIRO Canada
Finance · Records not stated
750K investors' SINs and financials stolen
11 Aug 2026
Critical11 Aug 2026
100K+ officers and staff contact data leaked
Government · Records not stated
100K+ officers and staff contact data leaked
11 Aug 2026
Critical11 Aug 2026
Puerto Rico Government Agency
Government · Records not stated
Cybersecurity loophole exposed 1 million social security numbers via mapping service
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Healthcare · 1,200,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack exposing personal data of 1.2 million individuals
11 Aug 2026
High11 Aug 2026
Clover Health
Healthcare · Records not stated
Health insurer data breach disclosed in securities filing, data type and scope unknown
11 Aug 2026
High11 Aug 2026
Craneware
Healthcare · Records not stated
Healthcare software vendor breached via supply-chain attack, customer data exposed
11 Aug 2026
Critical11 Aug 2026
100K+ officer and government contacts leaked
Government · Records not stated
100K+ officer and government contacts leaked
11 Aug 2026
Critical11 Aug 2026
135K officer contact records published on dark web
Government · Records not stated
135K officer contact records published on dark web
11 Aug 2026
High11 Aug 2026
Abbott Laboratories
Healthcare · Records not stated
Vishing attack compromised employee credentials
11 Aug 2026
Critical11 Aug 2026
Carnival Corporation
Retail · 6,000,000 records
6M customers hit via social engineering attack
11 Aug 2026
Critical11 Aug 2026
100K+ police officer contacts exposed
Government · Records not stated
100K+ police officer contacts exposed
11 Aug 2026
Critical11 Aug 2026
Navia Benefits
Finance · Records not stated
2.7M SSNs and benefits records exposed
11 Aug 2026
Critical11 Aug 2026
100K+ officer records and PII exposed
Government · Records not stated
100K+ officer records and PII exposed
11 Aug 2026
Medium11 Aug 2026
BudBoard Cannabis Platform
Technology · Records not stated
Dispensary data exposed via Firebase misconfiguration
11 Aug 2026
Medium11 Aug 2026
Universidad Adolfo Ibanez
Education · Records not stated
User and faculty records exfiltrated and leaked
11 Aug 2026
Critical11 Aug 2026
100K+ officer identities and contact data leaked
Government · Records not stated
100K+ officer identities and contact data leaked
11 Aug 2026
Critical11 Aug 2026
CareCloud Health Tech
Healthcare · 345,000 records
345K patient SSNs and payment data exfiltrated
11 Aug 2026
Critical11 Aug 2026
Snowflake Platform (Moucka)
Technology · 165,000,000 records
Billions of records stolen from 165 organizations
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Massive identity-based attacks compromised 165 organizations; Canadian hacker pleaded guilty to fraud and extortion
11 Aug 2026
Critical11 Aug 2026
Japan Ground Self-Defense Force
Government · Records not stated
Used China-made malware-infected USB drives on classified networks, breach unnoticed for nearly a year
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of civil servants' passwords and White House-linked passwords exposed since early 2024
11 Aug 2026
High11 Aug 2026
Switzerland Federal IT Office
Government · Records not stated
SharePoint breach hit 200 government accounts
11 Aug 2026
Critical11 Aug 2026
Figure Technology Solutions
Finance · 967,000 records
967K accounts leaked with PII
11 Aug 2026
Critical11 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
The hackers claimed to have exfiltrated 6 terabytes of data, including highly sensitive health information like records related to sexual assault, mental health, abortions and sexual harassment incidents.
11 Aug 2026
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