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.
5,306
Disclosures in the tracker, all years
2,020
Of those, indexed in 2026
68
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 20 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.
65 incidents from 12 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.
- Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
- 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
Critical2 Aug 2026
Guru Baran
Sector not stated · Records not stated
Guru Baran reports: Brinks Home, one of North America’s largest residential security providers, has confirmed that hackers breached its IT systems after the notorious ShinyHunters extortion group claimed responsibility…
2 Aug 2026
Critical2 Aug 2026
DHS Information Network
Government · Records not stated
Active intrusion into federal information sharing network
2 Aug 2026
Critical2 Aug 2026
IDMerit
Technology · Records not stated
Data breach exposed over 203 million U.S. records containing personal identity verification details
2 Aug 2026
Medium2 Aug 2026
Centre for Newcomers
Sector not stated · Records not stated
380GB stolen in ransomware attack
2 Aug 2026
Critical2 Aug 2026
Medical billing firm breach
Healthcare · 1,260,000 records
Medical billing firm breach exposed sensitive data of 1.26 million people in 2025
2 Aug 2026
High2 Aug 2026
Partnered Health (Australia)
Healthcare · Records not stated
Personal information and medical details from 21 clinics stolen in cyber-attack
2 Aug 2026
Critical2 Aug 2026
Medical Billing Company
Healthcare · 1,300,000 records
2025 ransomware attack exposed protected health data on 1.3 million people to dark web
2 Aug 2026
High2 Aug 2026
Amgen
Healthcare · Records not stated
Cloud data breach exposed patient health information and proprietary corporate data.
2 Aug 2026
High2 Aug 2026
KT Corp
Technology · Records not stated
16,647 subscribers affected; rogue femtocell breach exposed personal data and stole SMS payment information
2 Aug 2026
High2 Aug 2026
Years-long data breach of residents' private health-related information
Government · Records not stated
Years-long data breach of residents' private health-related information
2 Aug 2026
Critical2 Aug 2026
1.2M individuals' personal data exposed in ransomware attack
Healthcare · 1,200,000 records
1.2M individuals' personal data exposed in ransomware attack
2 Aug 2026
High2 Aug 2026
Law firm (NJ healthcare)
Legal · 13,000 records
Nearly 13K patient records exposed in cyberattack on law firm representing NJ hospitals
2 Aug 2026
High2 Aug 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen during major ransomware attack disrupting healthcare
2 Aug 2026
Critical2 Aug 2026
US Government Civil Servants
Government · Records not stated
Thousands of civil servants' passwords exposed, including White House linked credentials
2 Aug 2026
High2 Aug 2026
Estée Lauder
Retail · Records not stated
10-month-old data breach from Oracle EBS exposed personal data of customers
2 Aug 2026
Critical2 Aug 2026
Revolut
Finance · 75,000,000 records
75 million records allegedly for sale including credit card and personal data
2 Aug 2026
Critical2 Aug 2026
Amgen
Healthcare · Records not stated
Cloud data breach exposed patient health records and proprietary corporate information
2 Aug 2026
High2 Aug 2026
Nintendo of America
Technology · Records not stated
Employee PII stolen via third-party breach
2 Aug 2026
Critical2 Aug 2026
Fairlife / Coca-Cola
Sector not stated · Records not stated
1TB data stolen in ransomware attack
2 Aug 2026
Critical2 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing firm network breach exposed sensitive data affecting 1.26 million people
2 Aug 2026
Critical2 Aug 2026
TriZetto (Healthcare Tech)
Healthcare · Records not stated
2024 breach affecting more than 3 million Americans' healthcare data
2 Aug 2026
Critical2 Aug 2026
Revolut
Finance · 75,000,000 records
Credit card data and private information of 75 million customers allegedly for sale by attackers
2 Aug 2026
Critical2 Aug 2026
PNC Financial Services Group
Finance · 740,000 records
Data breach exposing 740,000 records; failure to properly secure personally identifiable information
2 Aug 2026
High2 Aug 2026
Huntsville Hospital
Healthcare · Records not stated
Data breach compromises personal health information of hospital system patients
2 Aug 2026
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