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.
5,287
Disclosures in the tracker, all years
2,001
Of those, indexed in 2026
49
Added in October
9
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 17 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.
64 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.
- Canada2 Oct 2026Kingston PoliceHow they got in: stolen or reused passwords.Global News
- Canada1 Oct 2026Archives Canada / Canadian government websitesHow they got in: automated AI tools that work through many organizations at once.CTV News
- Canada1 Oct 2026Library and Archives CanadaHow they got in: automated AI tools that work through many organizations at once.CTV News
Critical23 Sep 2026
DISA Global Solutions
Sector not stated · 3,300,000 records
Data breach affecting more than 3.3 million people in 2024
23 Sep 2026
High23 Sep 2026
Sax
Legal · Records not stated
Accounting firm disclosed 2024 data breach impacting 220,000
23 Sep 2026
High23 Sep 2026
Pierce County Library
Education · 340,000 records
Data breach impacting 340,000 individuals
23 Sep 2026
High23 Sep 2026
Centers Laboratory
Healthcare · 540,000 records
Data breach affecting 540,000 individuals
23 Sep 2026
Medium23 Sep 2026
Lovesac
Retail · Records not stated
Data breach confirmed following ransomware attack
23 Sep 2026
High23 Sep 2026
Kaplan
Education · Records not stated
Education company data breach impacting multiple individuals
23 Sep 2026
High23 Sep 2026
Paylogix
Technology · Records not stated
Employee benefits platform breach with financial data stolen via Akira ransomware
23 Sep 2026
High23 Sep 2026
Columbia University
Education · Records not stated
Hacker stole SSNs and other data from university
23 Sep 2026
High23 Sep 2026
Covenant Health
Healthcare · 480,000 records
Nearly 480,000 people impacted in data breach
23 Sep 2026
Critical23 Sep 2026
700Credit
Finance · Records not stated
Data breach affecting millions of people
23 Sep 2026
Critical23 Sep 2026
Prosper
Finance · 20,000,000 records
Nearly 20 million people affected in data breach
23 Sep 2026
Critical23 Sep 2026
Unlimited Technology Systems
Technology · 3,800,000 records
3.8 million people impacted in data breach
23 Sep 2026
Critical23 Sep 2026
TransUnion
Finance · 4,400,000 records
4.4 million people impacted with personal information including Social Security numbers exposed
23 Sep 2026
High23 Sep 2026
Optus
Technology · Records not stated
2022 cyber breach involving customer data, privacy regulator sued for breach of privacy laws
23 Sep 2026
High23 Sep 2026
Renault Group
Retail · Records not stated
UK customer data stolen in third-party breach affecting auto industry
23 Sep 2026
Critical23 Sep 2026
SK Telecom
Technology · Records not stated
Massive data leak; ordered to pay 100,000 won ($67) compensation per affected user
23 Sep 2026
High23 Sep 2026
Free Mobile and Free
Technology · Records not stated
Data theft affecting thousands of customers; fined €49 million by CNIL with 2500+ complaints
23 Sep 2026
Critical23 Sep 2026
French Telecom Subsidiaries
Technology · 24,000,000 records
2024 breach of 24 million customers; fined €42M for security vulnerabilities and lack of basic controls
23 Sep 2026
High23 Sep 2026
Lands' End
Retail · Records not stated
Data breach impacted clothing retailer customers; case settled with compensation
23 Sep 2026
Critical23 Sep 2026
Ransomware attack
Healthcare · 1,200,000 records
Ransomware attack exposed personal data of 1.2 million individuals
23 Sep 2026
High23 Sep 2026
Bedfordshire Hospital
Healthcare · Records not stated
Cyber attack exposed patient names, NHS numbers and test results
23 Sep 2026
High23 Sep 2026
Essex NHS Trust
Healthcare · 900,000 records
NHS trust breach compromised thousands of patient records, disclosed over 6 months after notification
23 Sep 2026
High22 Sep 2026
KT
Technology · Records not stated
Data breach via illegal base stations, fined 54 billion Won
22 Sep 2026
Critical22 Sep 2026
Free Mobile
Technology · Records not stated
Major data theft resulting in €49 million fine from CNIL France
22 Sep 2026
Were you affected?