Weekly briefing No. 42 published 30 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.

5,405
Disclosures in the tracker, all years
2,119
Of those, indexed in 2026
40
Added in November
41
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 6 Nov 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.

77 incidents from 9 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. Japan29 Oct 2026Japan AirlinesHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  2. Japan29 Oct 2026Sony Network Communications (So-net / Plala ISP)The source does not say how they got in.SecurityWeek
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Medium5 Feb 2023
18K records exposed in vendor breach
Government · 18,000 records
18K records exposed in vendor breach
5 Feb 2023
High5 Feb 2023
Ransomware disrupted major Lisbon hospital, patient systems offline
Healthcare · Records not stated
Ransomware disrupted major Lisbon hospital, patient systems offline
5 Feb 2023
Were you affected?