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.

5,554
Disclosures in the tracker, all years
2,046
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 Jan 2026
Yearslong breach of residents' private health-related information
Government · Records not stated
Yearslong breach of residents' private health-related information
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised via anomalies detected in on-premises Microsoft servers, possibly SharePoint vulnerabilities
1 Jan 2026
High1 Jan 2026
Data breach; enforcement action by Montana regulators
Healthcare · Records not stated
Data breach; enforcement action by Montana regulators
1 Jan 2026
High1 Jan 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information disclosed
1 Jan 2026
Critical1 Jan 2026
Exposed personal information of 700,000 state residents
Government · Records not stated
Exposed personal information of 700,000 state residents
1 Jan 2026
Critical1 Jan 2026
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patients' records
1 Jan 2026
High1 Jan 2026
Aesto Health
Healthcare · Records not stated
Data breach impacted patient information; lawsuit possible
1 Jan 2026
Critical1 Jan 2026
Conduent
Healthcare · 62,200,000 records
Data breach exposed 62.2 million records; third-largest US healthcare hack ever
1 Jan 2026
High1 Jan 2026
Abbott/Exact Sciences
Healthcare · Records not stated
Data breach of at-home diagnostic test users; sensitive personal information exposed
1 Jan 2026
High1 Jan 2026
Suno
Technology · Records not stated
Data breach exposed customer records; AI music training data compromised
1 Jan 2026
Critical1 Jan 2026
Inadvertently
Government · Records not stated
Inadvertently exposed personal information of 700,000 state residents
1 Jan 2026
High1 Jan 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack resulted in stolen data; hackers confirmed deletion
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
200 accounts compromised due to Microsoft SharePoint vulnerabilities in on-premises servers
1 Jan 2026
Critical1 Jan 2026
Żabka Polska
Retail · Records not stated
Data breach exposing 541,000 Jira issues and customer information
1 Jan 2026
High1 Jan 2026
Water utilities (12 states)
Government · Records not stated
Cyberattacks on operational technology systems across South Dakota, Georgia and 10 other states
1 Jan 2026
High1 Jan 2026
Data breach
Government · Records not stated
Data breach leaked thousands of people's personal information
1 Jan 2026
High1 Jan 2026
Years-long data breach of residents' private health-related information
Healthcare · Records not stated
Years-long data breach of residents' private health-related information
1 Jan 2026
High1 Jan 2026
South Florida Injury Centers
Healthcare · 1,525 records
Ransomware attack exposed 1,525 individuals' SSNs and medical records (PHI/PII)
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Yearslong data breach of residents' private health-related information reported in January 2026
1 Jan 2026
High1 Jan 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Data breach resulting in €42 million fine for cybersecurity vulnerabilities and GDPR violations
1 Jan 2026
High1 Jan 2026
Coca-Cola (Fairlife)
Retail · Records not stated
Ransomware attack on dairy subsidiary resulted in data breach; operational shutdown confirmed
1 Jan 2026
High1 Jan 2026
France Telco Subsidiaries
Technology · Records not stated
Data regulator fined €42 million for cybersecurity vulnerabilities contributing to 2024 breach; three major GDPR violations including lack of basic security controls
1 Jan 2026
High1 Jan 2026
Yearslong data breach
Government · Records not stated
Yearslong data breach exposed residents' private health-related information
1 Jan 2026
High1 Jan 2026
Yearslong data breach exposing residents' private health-related information
Healthcare · Records not stated
Yearslong data breach exposing residents' private health-related information
1 Jan 2026
Were you affected?