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.

5,339
Disclosures in the tracker, all years
2,052
Of those, indexed in 2026
111
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 25 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. Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
  2. Japan19 Oct 2026Nikkei Inc.How they got in: stolen or reused passwords.BleepingComputer
  3. Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
  4. Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
  5. Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
Critical1 Jun 2026
Fortinet
Technology · Records not stated
FortiBleed: credentials and configuration data exposed for 73,000 devices; 70,000+ suspected affected
1 Jun 2026
Critical1 Jun 2026
Charter Communications
Technology · 42,000,000 records
42 million records exposed by ShinyHunters extortion group
1 Jun 2026
Critical1 Jun 2026
Personal and medical records including SSNs
Healthcare · Records not stated
Personal and medical records including SSNs exposed
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack stole thousands of NHS patient records held by Essex healthcare trust
1 Jun 2026
Critical1 Jun 2026
Publicly
Technology · Records not stated
Publicly exposed Elasticsearch database exposed 24 billion stolen credential records
1 Jun 2026
High1 Jun 2026
Thousands of patient records stolen in ransomware attack
Healthcare · Records not stated
Thousands of patient records stolen in ransomware attack
1 Jun 2026
Critical1 Jun 2026
Fortinet/FortiBleed
Technology · Records not stated
Credential leak exposed administrator credentials for 73,000+ Fortinet VPN and firewall devices
1 Jun 2026
Critical1 Jun 2026
SSNs and medical records
Healthcare · Records not stated
SSNs and medical records exposed
1 Jun 2026
Critical1 Jun 2026
FortiBleed/Fortinet
Technology · Records not stated
Verified administrator credentials and VPN data exposed for 73,932 FortiGate firewalls
1 Jun 2026
Critical1 Jun 2026
Fortinet FortiBleed
Technology · Records not stated
FortiBleed campaign exposed verified administrator credentials for 73,932 FortiGate firewalls and VPN devices
1 Jun 2026
High1 Jun 2026
Coca-Cola/Fairlife
Retail · Records not stated
Ransomware attack on dairy operations by Anubis cybercrime group with data theft
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of patient records stolen in ransomware attack affecting NHS healthcare systems
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records confirmed stolen in ransomware attack
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of patient records stolen during major ransomware attack
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack stole thousands of patient records in major healthcare cyberattack
1 Jun 2026
Critical1 Jun 2026
Elasticsearch database (infostealer logs)
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials, one of largest credential compilations
1 Jun 2026
Critical1 Jun 2026
Unnamed Elasticsearch database
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials, one of largest infostealer log compilations
1 Jun 2026
Critical1 Jun 2026
Elasticsearch Database (Public Exposure)
Technology · Records not stated
Publicly exposed Elasticsearch database leaked 24 billion stolen credentials, largest infostealer compilation
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in major ransomware attack affecting Essex healthcare
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack stolen thousands of NHS patient records from Essex NHS trust
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of patient records stolen in ransomware cyberattack on NHS trust
1 Jun 2026
High1 Jun 2026
Tchap (France Government)
Government · Records not stated
Messaging app breach hit 73,467 French government accounts in June 2026
1 Jun 2026
Critical1 Jun 2026
Elasticsearch Database (Unnamed Source)
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials in one of the largest infostealer compilations
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen during major ransomware attack affecting Essex healthcare trust
1 Jun 2026
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