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.

5,336
Disclosures in the tracker, all years
2,049
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. France20 Oct 2026US tax preparation businessesThe source does not say how they got in.The Record
Medium15 Jan 2021
Valley Health System (NJ)
Healthcare · 44,000 records
44K patient records exposed
15 Jan 2021
Critical13 Jan 2021
Florida Healthy Kids Corporation
Healthcare · Records not stated
3.5M applicant records exposed for 7 years via web platform
13 Jan 2021
High12 Jan 2021
SoftBank Corp (Japan)
Technology · Records not stated
Former employee stole 5G trade secrets and sold to Russian diplomat
12 Jan 2021
High12 Jan 2021
Mimecast
Technology · Records not stated
SolarWinds-connected breach compromised certificate used to authenticate to Microsoft 365
12 Jan 2021
High11 Jan 2021
Ubiquiti
Technology · Records not stated
Customer account credentials and device secrets potentially exposed
11 Jan 2021
Critical11 Jan 2021
Accellion FTA
Technology · Records not stated
100+ organizations breached via legacy file transfer appliance zero-days
11 Jan 2021
Critical11 Jan 2021
20/20 Eye Care Network
Healthcare · Records not stated
3.3M member records exposed in cloud storage misconfiguration
11 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
High10 Jan 2021
Accellion FTA breach compromised sensitive banking supervision data
Finance · Records not stated
Accellion FTA breach compromised sensitive banking supervision data
10 Jan 2021
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