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.

5,281
Disclosures in the tracker, all years
1,994
Of those, indexed in 2026
40
Added in October
8
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.

3,949 results · Disclosures in 2026. Clear filters

Critical8 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
An update on the ransomware attack affecting the City of Coweta: the city manager has been through a ransomware attack before with another city, and reports that after they paid, they were reinfected weeks later, so…
8 Aug 2026
Medium8 Aug 2026
Katie Chavez
Government · Records not stated
Katie Chavez reports: Suisun City officials declared a state of emergency Saturday, Aug. 8, after a cyberattack took out the city’s emergency dispatch line and other key systems. City officials said that “malicious…
8 Aug 2026
Critical8 Aug 2026
U.S. Government (Civil Servants)
Government · Records not stated
Thousands of civil servants' passwords exposed since early 2024, including White House-linked credentials
8 Aug 2026
High8 Aug 2026
Intel
Technology · 18,000 records
18,000 files stolen in insider threat incident
8 Aug 2026
Critical8 Aug 2026
Gaming Accounts (Multiple Platforms)
Technology · Records not stated
Over 11 million gaming account credentials exposed through infostealer malware and data leaks
8 Aug 2026
Critical8 Aug 2026
Facebook
Technology · 1,000,000,000 records
Multiple major data breaches since 2013 exposing over 1 billion records
8 Aug 2026
Critical8 Aug 2026
EVO Banco / Bankinter
Finance · 1,270,000 records
API vulnerability exposed 1.27 million records of financial and identity data (2024)
8 Aug 2026
Medium8 Aug 2026
Swiss Federal IT Office
Government · Records not stated
SharePoint breach compromised 200 government accounts
8 Aug 2026
Critical8 Aug 2026
Navia Benefits Admin
Finance · Records not stated
2.7M SSNs and benefits records exposed
8 Aug 2026
High8 Aug 2026
UK Police National Database
Government · Records not stated
100K officer and staff identities exposed
8 Aug 2026
Critical8 Aug 2026
Exact Sciences Abbott
Healthcare · 10,900,000 records
10.9M patient health records publicly leaked
8 Aug 2026
High8 Aug 2026
KT Corp
Sector not stated · Records not stated
Rogue femtocell breach exposed 16,647 subscribers and stole SMS payment authentication codes
8 Aug 2026
High8 Aug 2026
7-Eleven
Retail · Records not stated
Current, former, and prospective franchisees' detailed application packages compromised in Canada and U.S.
8 Aug 2026
Critical8 Aug 2026
Instructure Canvas
Education · 275,000,000 records
ShinyHunters claimed 275 million records from 8,809 schools
8 Aug 2026
High8 Aug 2026
Brinks Home
Finance · 732,162 records
732,162 records exposed, Dates of birth, Email addresses, Names, Partial credit card data and 3 more
8 Aug 2026
Critical8 Aug 2026
Basic-Fit Gym
Retail · Records not stated
1M member bank and personal details breached
8 Aug 2026
Critical8 Aug 2026
135K officer and government contacts on dark web
Government · Records not stated
135K officer and government contacts on dark web
8 Aug 2026
Critical8 Aug 2026
Conduent Health Services
Healthcare · 62,000,000 records
62M records stolen via 3-month network intrusion
8 Aug 2026
Critical8 Aug 2026
Basic-Fit Gym Group
Sector not stated · Records not stated
1M members bank and personal data breached
8 Aug 2026
Critical8 Aug 2026
Elasticsearch Credential Database
Technology · Records not stated
24B stolen credential records publicly exposed
8 Aug 2026
Critical8 Aug 2026
135K police and government contact records leaked
Government · Records not stated
135K police and government contact records leaked
8 Aug 2026
Critical8 Aug 2026
Carnival Corporation
Retail · Records not stated
6M loyalty accounts stolen by ShinyHunters
8 Aug 2026
Critical8 Aug 2026
Navia Benefits Solutions
Finance · 2,700,000 records
SSNs and benefits data stolen from 2.7M people
8 Aug 2026
Critical8 Aug 2026
Police and justice staff PII exposed
Government · Records not stated
Police and justice staff PII exposed
8 Aug 2026
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