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, 23 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.

71 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
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
Critical21 Jul 2020
Promo.com (Slidely)
Technology · 22,000,000 records
22M user records exposed in database breach
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
Critical21 Jul 2020
Promo.com
Technology · 22,000,000 records
22M user records exposed
21 Jul 2020
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