Weekly briefing No. 41 published 4 Oct 2026
Intelligence · Disclosure tracker

Every public disclosure, dated and sourced.

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.

5,337
Disclosures in the tracker, all years
2,050
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 24 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Worldwide · How they got in

Incidents worldwide, by country.

74 incidents from 11 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.

  1. Singapore22 Oct 2026GenesysThe source does not say how they got in.The Hacker News
Medium2 Oct 2026
Frontline Education breach
Education · Records not stated
Frontline Education is notifying school districts of a data breach after attackers exploited a vulnerability in third-party software to gain unauthorized access to its systems and steal employee information, including…
2 Oct 2026
High1 Oct 2026
Unnamed Houston-area school district
Education · Records not stated
Data breach exposed personal information of roughly 38,000 people.
1 Oct 2026
High1 Oct 2026
ASOS
Retail · Records not stated
Hackers compromised a third-party communication platform and sent rogue notifications to ASOS users after a confirmed cyberattack and data breach.
1 Oct 2026
High1 Oct 2026
Capcom
Technology · Records not stated
Capcom confirmed unauthorized access to its online account system, exposing users' personal information.
1 Oct 2026
High1 Oct 2026
University of Illinois Chicago (College of Medicine)
Education · Records not stated
Ransomware attack on the UIC College of Medicine resulted in theft of some information.
1 Oct 2026
High1 Oct 2026
State Bank of India (SBI)
Finance · Records not stated
Customer data was identified in a recent breach; SBI says it individually notified all affected customers and that account balances and funds are safe.
1 Oct 2026
Critical1 Oct 2026
Capcom (CAPCOM ID)
Technology · Records not stated
Third party gained unauthorized access to CAPCOM ID customer data; about 11.7 million email addresses stolen and passwords reset on 196 accounts.
1 Oct 2026
Critical1 Oct 2026
Quest Diagnostics
Healthcare · Records not stated
Lab testing company confirmed a cyberattack exposing patients' personal and health data via its lab services platform; total number of affected individuals not yet specified.
1 Oct 2026
High1 Oct 2026
Organisation not named
Retail · Records not stated
The disclosure as indexed does not name the organisation.
Customer personal information in the More Rewards loyalty database was stolen; confirmed by Pattison Food Group on Oct 16, affecting four chains.
1 Oct 2026
High1 Oct 2026
Gainwell Technologies
Healthcare · Records not stated
Kentucky Medicaid provider-portal breach; third Gainwell provider-portal incident in 2026 using the same attack vector.
1 Oct 2026
Critical1 Oct 2026
Labcorp
Healthcare · Records not stated
Labcorp agreed to a $2.3M settlement with 44 state attorneys general over a debt collector data breach exposing patient information.
1 Oct 2026
High1 Oct 2026
Zizzl LLC
Sector not stated · Records not stated
Zizzl LLC confirmed in state notification filings a data breach exposing 519 Social Security numbers.
1 Oct 2026
Critical1 Oct 2026
Canadian Crime Stoppers
Sector not stated · Records not stated
CBC investigation confirmed over 1.5 million tips sent to Canadian Crime Stoppers chapters were captured and leaked in a hack.
1 Oct 2026
High1 Oct 2026
Organisation not named
Healthcare · 5,461 records
The disclosure as indexed does not name the organisation.
Data breach affected 5,461 patients, exposing sensitive health information.
1 Oct 2026
High1 Oct 2026
Zizzl LLC
Sector not stated · Records not stated
Breach exposed 519 Social Security numbers, confirmed in official state notification filings.
1 Oct 2026
High1 Oct 2026
Pattison Food Group (Save-On-Foods)
Retail · Records not stated
Confirmed customer personal information in the More Rewards loyalty database was exposed.
1 Oct 2026
Critical1 Oct 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Sensitive data of millions of California students stolen in a breach at contractor Educational Testing Service.
1 Oct 2026
High1 Oct 2026
Houston-area school district (unnamed)
Education · 38,000 records
Data breach exposed personal information of roughly 38,000 people, per local reporting.
1 Oct 2026
High1 Oct 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack on the medical school resulted in theft of some information; the university confirmed the incident.
1 Oct 2026
High1 Oct 2026
Organisation not named
Finance · 3,897 records
The disclosure as indexed does not name the organisation.
Cyber incident led to theft of 3,897 customer records, which were posted on the dark web; SBI disclosed it to stock exchanges.
1 Oct 2026
High1 Oct 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Personal and billing information of 3,816 Kentucky Medicaid recipients was exposed for months before being disclosed.
1 Oct 2026
High1 Oct 2026
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
Utility account data of roughly 400,000 Georgia Power and Alabama Power customers was breached; customers are being notified.
1 Oct 2026
High1 Oct 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack resulted in theft of some information from the college of medicine.
1 Oct 2026
High1 Oct 2026
Alternative für Deutschland (AfD)
Sector not stated · 420,000 records
Leak of about 420,000 emails, bank statements and membership records of the political party.
1 Oct 2026
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