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.
- Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
- Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
- Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
- Canada17 Oct 2026More RewardsThe source does not say how they got in.CTV News
- Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
High1 Jan 2026
Exact Sciences/Abbott
Healthcare · Records not stated
Sensitive personal health information exposed from at-home diagnostic tests
1 Jan 2026
High1 Jan 2026
Law firm (New Jersey)
Legal · 13,000 records
Cyberattack exposed hospital records and personal data of approximately 13,000 patients
1 Jan 2026
Critical1 Jan 2026
MCBS Medical
Healthcare · 1,260,000 records
1.26 million patients exposed in PEAR ransomware attack on medical billing/practice-management system
1 Jan 2026
Critical1 Jan 2026
Instructure Canvas
Education · Records not stated
Supply chain breach generating 58% of all breach notices in 2026
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Classified networks compromised via China-made malware USB drives; breach undetected for nearly a year
1 Jan 2026
High1 Jan 2026
TrueConf
Technology · Records not stated
Client installers compromised with backdoors after server breach by Head Mare group
1 Jan 2026
High1 Jan 2026
Unnamed Law Firm
Legal · 13,000 records
Law firm breach exposed hospital patient records for approximately 13,000 patients in New Jersey
1 Jan 2026
High1 Jan 2026
Oregon DEQ
Government · Records not stated
Department of Environmental Quality leaked thousands of people's personal information
1 Jan 2026
Critical1 Jan 2026
Coldcard
Technology · Records not stated
Hardware wallet data breach resulting in theft of over $100M worth of bitcoin
1 Jan 2026
High1 Jan 2026
Organisation not named
Finance · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack stole data; hackers confirmed deletion of stolen information
1 Jan 2026
High1 Jan 2026
Framework
Technology · Records not stated
Hackers stole customer names and personal information from computer maker
1 Jan 2026
High1 Jan 2026
Multi-year data breach of residents' health-related information
Government · Records not stated
Multi-year data breach of residents' health-related information
1 Jan 2026
High1 Jan 2026
Uzbekistan Government Agencies
Government · 60,000 records
Cyberattack on government agencies exposing 60,000 records
1 Jan 2026
Critical1 Jan 2026
Multiple Water Utilities
Government · Records not stated
Cyberattacks on operational technology across at least 12 US states; Iranian-linked campaign
1 Jan 2026
High1 Jan 2026
Quantum Health
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' Social Security numbers
1 Jan 2026
High1 Jan 2026
Yearslong breach exposing residents' private health-related information
Healthcare · Records not stated
Yearslong breach exposing residents' private health-related information
1 Jan 2026
High1 Jan 2026
Swiss Federal Government
Government · Records not stated
SharePoint server breach compromised 200 government accounts
1 Jan 2026
High1 Jan 2026
Personal information of thousands
Government · Records not stated
Personal information of thousands leaked; agency delayed public notification for months
1 Jan 2026
High1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal data belonging to over 700,000 state residents
1 Jan 2026
Critical1 Jan 2026
Water Utilities (12 states)
Government · Records not stated
Operational technology systems compromised in coordinated attacks across multiple states
1 Jan 2026
High1 Jan 2026
North Carolina Ports
Government · Records not stated
Cyberattack forced shift to manual operations, systems being restored
1 Jan 2026
High1 Jan 2026
Levi Strauss & Co.
Retail · Records not stated
Corporate data stolen through social engineering attack on employees
1 Jan 2026
High1 Jan 2026
Swiss Federal IT Office
Government · Records not stated
Microsoft SharePoint breach compromised 200 government accounts
1 Jan 2026
Critical1 Jan 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Inadvertent exposure of personal information of over 700,000 state residents
1 Jan 2026
Were you affected?