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.

5,380
Disclosures in the tracker, all years
2,093
Of those, indexed in 2026
14
Added in November
25
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 4 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.

78 incidents from 12 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. Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
  2. Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
  3. Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
  4. Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical31 Oct 2023
Nationstar Mortgage
Finance · 14,700,000 records
14.7M customer records including SSNs
31 Oct 2023
Critical31 Oct 2023
14.7M customer mortgage records exposed in breach
Finance · 14,700,000 records
14.7M customer mortgage records exposed in breach
31 Oct 2023
Critical30 Oct 2023
GameSprite
Technology · 6,164,643 records
6,164,643 records exposed, Email addresses, IP addresses, Passwords, Usernames
30 Oct 2023
High30 Oct 2023
Moneris Solutions (Canada)
Finance · Records not stated
Payment processor hit by Medusa ransomware, Canada's largest POS provider
30 Oct 2023
Critical30 Oct 2023
South Westphalia IT (Germany)
Government · Records not stated
Ransomware crippled IT provider for 72 German municipalities, services offline for months
30 Oct 2023
High29 Oct 2023
MemeChat
Technology · 4,348,570 records
4,348,570 records exposed, Email addresses, Usernames
29 Oct 2023
High29 Oct 2023
Ace Hardware (2023)
Technology · Records not stated
Cyberattack disrupted 1,202 devices across 196 stores
29 Oct 2023
High29 Oct 2023
Ace Hardware
Sector not stated · Records not stated
196 stores affected by cyberattack on IT systems
29 Oct 2023
Medium29 Oct 2023
Tulsa OK water utility
Government · 18,000 records
18K customer records exposed in cyberattack
29 Oct 2023
Critical28 Oct 2023
British Library
Education · Records not stated
Rhysida ransomware destroyed IT systems, 600GB of patron and staff data leaked
28 Oct 2023
Medium27 Oct 2023
Toumei
Technology · 76,682 records
76,682 records exposed, Email addresses, Names, Phone numbers, Physical addresses
27 Oct 2023
High27 Oct 2023
Boeing Australia
Sector not stated · Records not stated
LockBit stole 43GB of data from Boeing's Australian operations, parts data exposed
27 Oct 2023
Were you affected?