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.

5,383
Disclosures in the tracker, all years
2,097
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.

77 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. 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
High1 Aug 2026
Unlimited Systems
Healthcare · 442,000 records
442K patient records exposed in ransomware
1 Aug 2026
Critical1 Aug 2026
Suno AI
Technology · 55,000,000 records
55M user names and addresses stolen
1 Aug 2026
Critical1 Aug 2026
Ernst and Young
Finance · Records not stated
SSNs and tax data stolen via support system
1 Aug 2026
Critical1 Aug 2026
Fluke Corporation
Technology · Records not stated
21M Salesforce records with PII compromised
1 Aug 2026
High1 Aug 2026
Mount Royal University
Education · Records not stated
10TB stolen, students and staff impacted
1 Aug 2026
High1 Aug 2026
Chick-fil-A
Retail · Records not stated
Account credentials stolen via stuffing attack
1 Aug 2026
High1 Aug 2026
Origin Energy
Sector not stated · Records not stated
Customer data exposed in confirmed cyberattack
1 Aug 2026
High1 Aug 2026
Mount Royal University
Education · Records not stated
10TB stolen from Canadian university systems
1 Aug 2026
High1 Aug 2026
South Korea Diplomatic Academy
Government · Records not stated
6K diplomat records stolen over 10 months
1 Aug 2026
High1 Aug 2026
Abbott Laboratories
Healthcare · Records not stated
Customer data stolen via voice phishing campaign
1 Aug 2026
Critical1 Aug 2026
Craneware
Healthcare · Records not stated
Significant data stolen affecting 2K US hospitals
1 Aug 2026
Critical1 Aug 2026
EY Tax Practice
Finance · Records not stated
SSNs and tax data stolen via third-party helpdesk
1 Aug 2026
High31 Jul 2026
Telecom subsidiaries (France)
Technology · Records not stated
Data breach resulting in €42 million GDPR fines for lack of basic security controls in 2024
31 Jul 2026
High31 Jul 2026
Yearslong data breach
Healthcare · Records not stated
Yearslong data breach exposed residents' private health-related information
31 Jul 2026
Critical31 Jul 2026
Suno
Technology · 55,000,000 records
Data breach exposed 55 million user accounts on AI music platform
31 Jul 2026
Critical31 Jul 2026
Healthcare billing company data breach
Healthcare · 1,260,000 records
Healthcare billing company data breach exposed sensitive information affecting 1.26 million people
31 Jul 2026
High31 Jul 2026
Unauthorized access compromised information; breach reported in 2024
Government · Records not stated
Unauthorized access compromised information; breach reported in 2024
31 Jul 2026
High31 Jul 2026
French Telco Subsidiaries
Technology · Records not stated
Data breach from 2024 with cybersecurity vulnerabilities; company fined €42 million by French regulator
31 Jul 2026
High31 Jul 2026
EY (via vendor)
Finance · Records not stated
Third-party vendor breach exposed tax client data after 15-day intrusion
31 Jul 2026
Critical31 Jul 2026
Ransomware attack
Healthcare · 1,200,000 records
Ransomware attack exposed personal data of 1.2 million individuals
31 Jul 2026
High31 Jul 2026
Ransomware attack
Education · Records not stated
Ransomware attack exposed sensitive data including driver's license numbers from Multiethnic Cohort Study
31 Jul 2026
Critical31 Jul 2026
Unnamed Medical Billing Company
Healthcare · 1,300,000 records
Ransomware attack exposed protected health data on 1.3 million people to dark web
31 Jul 2026
Critical31 Jul 2026
Suno (AI music platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts, confirmed by monitored breach databases
31 Jul 2026
High31 Jul 2026
Fairlife
Retail · Records not stated
Ransomware attack resulted in data breach confirmed by parent company Coca-Cola
31 Jul 2026
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