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.

5,336
Disclosures in the tracker, all years
2,049
Of those, indexed in 2026
104
Added in October
24
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. Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
  2. Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
  3. Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
  4. Canada17 Oct 2026More RewardsThe source does not say how they got in.CTV News
  5. Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
High1 Dec 2025
Post Office Limited
Government · Records not stated
Data breach affecting Horizon IT scandal victims caused by entirely preventable security failure
1 Dec 2025
Critical1 Dec 2025
SK Telecom
Technology · Records not stated
Massive data leak - Korea's consumer agency ordered compensation of $67 per user to affected customers.
1 Dec 2025
Critical1 Dec 2025
Coupang
Retail · 33,700,000 records
Data breach exposed personal information of 33.7 million customers
1 Dec 2025
Critical1 Dec 2025
Marquis
Finance · Records not stated
Ransomware attack stole banking customer data including personal information and financial records
1 Dec 2025
Critical1 Dec 2025
Marquis Software Solutions
Finance · 788,000 records
Unauthorized access to sensitive information of 788,000 customers of banks and credit institutions
1 Dec 2025
High1 Dec 2025
Zilvia.net
Technology · 287,863 records
287,863 records exposed, Email addresses, IP addresses, Passwords, Usernames
1 Dec 2025
Critical27 Nov 2025
China Software Developer Network
Technology · 6,414,990 records
6,414,990 records exposed, Email addresses, Passwords, Usernames
27 Nov 2025
Medium23 Nov 2025
CodeStepByStep
Technology · 103,077 records
103,077 records exposed, Email addresses, Names, Usernames
23 Nov 2025
Critical23 Nov 2025
ADDA
Technology · 1,829,314 records
1,829,314 records exposed, Email addresses, Names, Passwords, Phone numbers
23 Nov 2025
Medium20 Nov 2025
Vultr
Retail · 187,872 records
187,872 records exposed, Email addresses, Geographic locations, IP addresses, Names
20 Nov 2025
Medium20 Nov 2025
International Kiteboarding Organization
Technology · 340,349 records
340,349 records exposed, Email addresses, Geographic locations, Names, Usernames
20 Nov 2025
Medium20 Nov 2025
Eurofiber
Retail · 10,003 records
10,003 records exposed, Email addresses, Names, Phone numbers
20 Nov 2025
High20 Nov 2025
Beckett Collectibles
Technology · 1,041,238 records
1,041,238 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
20 Nov 2025
Medium8 Nov 2025
TISZA Világ
Technology · 198,520 records
198,520 records exposed, Email addresses, Names, Phone numbers, Physical addresses and 1 more
8 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
Critical6 Nov 2025
1,957,476,021 records exposed, Email addresses, Passwords
Technology · 1,957,476,021 records
1,957,476,021 records exposed, Email addresses, Passwords
6 Nov 2025
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