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
26
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. Australia22 Oct 2026Campbelltown Anglican Schools CouncilThe source does not say how they got in.Cyber Daily
  2. Australia20 Oct 2026AOMEI TechnologyThe source does not say how they got in.SecurityWeek
  3. Australia19 Oct 2026Poole GroupThe source does not say how they got in.Accountants Daily
  4. Australia16 Oct 2026Chadwick SwitchboardsThe source does not say how they got in.Cyber Daily
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
Critical21 Jul 2020
Promo.com (Slidely)
Technology · 22,000,000 records
22M user records exposed in database breach
Our record
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
Our record
21 Jul 2020
Critical21 Jul 2020
Promo.com
Technology · 22,000,000 records
22M user records exposed
Our record
21 Jul 2020
High20 Jul 2020
City of Galt CA
Government · Records not stated
NetWalker ransomware encrypted city government files
Our record
20 Jul 2020
Medium20 Jul 2020
Advent Health
Healthcare · 47,000 records
47K patient records exposed in phishing attack
Our record
20 Jul 2020
Critical19 Jul 2020
Wattpad
Retail · 268,765,495 records
268,765,495 records exposed, Bios, Dates of birth, Email addresses, Genders and 7 more
Our record
19 Jul 2020
High19 Jul 2020
University of Utah
Education · Records not stated
Ransomware encrypted servers, university paid $457K ransom
Our record
19 Jul 2020
High18 Jul 2020
Telecom Argentina
Technology · Records not stated
REvil demanded $7.5M ransom, 18,000 employee workstations encrypted
Our record
18 Jul 2020
Critical17 Jul 2020
UCLA Health
Healthcare · 4,500,000 records
4.5M patient records including SSNs exposed
Our record
17 Jul 2020
Were you affected?