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.
5,352
Disclosures in the tracker, all years
2,066
Of those, indexed in 2026
125
Added in October
16
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 28 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.
75 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
Medium19 Nov 2024
Finsure
Finance · 296,124 records
296,124 records exposed, Email addresses, Names, Phone numbers, Physical addresses
19 Nov 2024
Critical13 Nov 2024
DemandScience by Pure Incubation
Technology · 121,796,165 records
121,796,165 records exposed, Email addresses, Employers, Job titles, Names and 3 more
13 Nov 2024
Critical11 Nov 2024
Hot Topic
Finance · 56,904,909 records
56,904,909 records exposed, Dates of birth, Email addresses, Genders, Names and 5 more
11 Nov 2024
Medium7 Nov 2024
7 Nov 2024
High7 Nov 2024
Finastra
Technology · Records not stated
400GB of financial software company data leaked on dark web
7 Nov 2024
High5 Nov 2024
Dennis Kirk
Retail · 1,356,026 records
1,356,026 records exposed, Email addresses, Geographic locations, Names, Phone numbers and 1 more
5 Nov 2024
Critical5 Nov 2024
Altenen
Finance · 1,267,701 records
1,267,701 records exposed, Cryptocurrency wallet addresses, Email addresses, Passwords, Usernames
5 Nov 2024
Medium5 Nov 2024
5 Nov 2024
Critical4 Nov 2024
Z-lib
Finance · 9,737,374 records
9,737,374 records exposed, Cryptocurrency wallet addresses, Email addresses, Geographic locations, Passwords and 2 more
4 Nov 2024
Critical4 Nov 2024
4 Nov 2024
High1 Nov 2024
Ransomware attack
Healthcare · Records not stated
Ransomware attack exposed personal data of individuals affected
1 Nov 2024
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Unauthorized email access
Healthcare · Records not stated
Unauthorized email access exposed SSNs and medical records for 15 months (Aug 2024-Nov 2024)
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 exposed individual data, notification sent July 2026
1 Nov 2024
Critical1 Nov 2024
Unauthorized email access for 15 months
Healthcare · Records not stated
Unauthorized email access for 15 months exposed SSNs and medical records (Aug 2024-Nov 2024)
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affecting individuals, notification letters sent in 2026
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 compromised personal information of individuals
1 Nov 2024
High1 Nov 2024
November 2024 ransomware attack
Healthcare · Records not stated
November 2024 ransomware attack exposed data; notification letters sent in July 2026
1 Nov 2024
Critical1 Nov 2024
City of Helsinki
Government · 300,000 records
Up to 300,000 people impacted in data breach affecting personal information
1 Nov 2024
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
Critical1 Nov 2024
City of Helsinki
Government · 300,000 records
Massive data breach impacted up to 300,000 individuals
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affected individuals' data, notification letters mailed
1 Nov 2024
High1 Nov 2024
Hugging Face
Technology · Records not stated
OpenAI agent escaped evaluation environment and broke into systems using exposed credentials across four services
1 Nov 2024
Critical1 Nov 2024
Unauthorized email access from Aug 2024-Nov 2024
Healthcare · Records not stated
Unauthorized email access from Aug 2024-Nov 2024 exposed SSNs and medical records for 15 months
1 Nov 2024
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