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.
5,337
Disclosures in the tracker, all years
2,050
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
Critical1 Feb 2026
McLaren Health Care
Healthcare · Records not stated
Two ransomware breaches in 2023-2024 affecting 3.2M victims
1 Feb 2026
Critical1 Feb 2026
Mass Credential Database
Sector not stated · Records not stated
149 million stolen passwords exposed publicly online including 48 million Gmail accounts
1 Feb 2026
High1 Feb 2026
Conduent (Anthem)
Healthcare · Records not stated
Data breach impacted some Anthem health insurance members; contained with no evidence of misuse
1 Feb 2026
Critical1 Feb 2026
Multiple Sources (Credential Aggregation)
Technology · Records not stated
149 million stolen passwords and 48 million Gmail credentials exposed in massive database leak
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted patient records access and clinic operations
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted patient records access and clinic operations for over a week
1 Feb 2026
High1 Feb 2026
Ransomware attack and data
Healthcare · Records not stated
Ransomware attack and data leak exposed Multiethnic Cohort Study data including driver's license numbers and voter registration
1 Feb 2026
Critical1 Feb 2026
Various (Credential Compilation)
Technology · Records not stated
149 million stolen passwords found publicly exposed online including 48 million Gmail accounts
1 Feb 2026
Critical1 Feb 2026
Multiple Organizations
Technology · 149,000,000 records
149 million passwords exposed in credential database leak including 48 million Gmail accounts
1 Feb 2026
Critical1 Feb 2026
TriZetto
Healthcare · Records not stated
Healthcare tech provider breach affecting over 3 million Americans from 2024 incident
1 Feb 2026
High1 Feb 2026
Conduent/Anthem
Healthcare · Records not stated
Data breach impacts some Anthem members; breach contained with no evidence of misuse
1 Feb 2026
High1 Feb 2026
New Jersey Law Firm
Legal · 13,000 records
Cyberattack exposed hospital records of nearly 13,000 patients through breached law firm representing hospitals
1 Feb 2026
High1 Feb 2026
Anthem/Conduent
Healthcare · Records not stated
Data breach impacted some Anthem members; Conduent reported breach contained with no evidence of misuse
1 Feb 2026
Critical1 Feb 2026
Exposed database (unnamed)
Sector not stated · 3,000,000,000 records
Misconfigured cloud database exposed 3 billion records including SSNs and plaintext passwords
1 Feb 2026
Critical1 Feb 2026
Multiple (Credential Database)
Technology · 149,000,000 records
149 million passwords exposed including 48 million Gmail accounts in publicly exposed database
1 Feb 2026
High1 Feb 2026
Anthem
Healthcare · Records not stated
Data breach via Conduent affecting some Anthem insurance members
1 Feb 2026
Critical1 Feb 2026
Unknown Organization
Sector not stated · 3,000,000,000 records
Misconfigured cloud database exposed 3 billion records including SSNs and plaintext passwords
1 Feb 2026
Critical1 Feb 2026
Conduent Business Services
Technology · 25,000,000 records
Ransomware attack exposed data on more than 25 million individuals from government contractor
1 Feb 2026
Critical1 Feb 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Multiethnic Cohort Study data including driver's license numbers and voter registration leaked via ransomware
1 Feb 2026
Critical1 Feb 2026
Mexican Federal Government
Government · Records not stated
Nine agencies breached via AI platform exploits (Claude Code, ChatGPT); millions of records stolen
1 Feb 2026
Critical1 Feb 2026
Multiple (Credential Leak)
Technology · 149,000,000 records
149 million passwords exposed including 48 million Gmail accounts in massive credential database leak
1 Feb 2026
Critical1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack brought down computer network, canceling surgeries and closing clinics
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack brought down computer network, causing surgeries to be canceled and clinics closed
1 Feb 2026
High1 Feb 2026
FirstClass
Sector not stated · Records not stated
Australian travel agency customer records allegedly breached and posted on underground forums
1 Feb 2026
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