Disclosure tracker › Disclosures in 2026
Intelligence · Disclosure tracker
Disclosures in 2026
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
69
Added in October
19
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.
3,996 results · Disclosures in 2026. Clear filters
Critical1 Aug 2026
Winnipeg Health Sciences Centre
Healthcare · Records not stated
Ransomware attack disrupting hospital operations and recovery ongoing
1 Aug 2026
High1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Personal information of current and former employees accessed in data breach
1 Aug 2026
High1 Aug 2026
Preferred Parking
Retail · Records not stated
Customer credit card information exposed in data breach
1 Aug 2026
Critical1 Aug 2026
LiteLLM
Technology · Records not stated
Supply chain attack exposed 2,500+ companies and 434,000+ CI/CD pipelines, largest AI supply chain breach of 2026
1 Aug 2026
High1 Aug 2026
CEVA Logistics
Technology · Records not stated
Steam hardware shipper leaked customer names, addresses, and order data for Valve
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected in third-largest U.S. healthcare hack ever
1 Aug 2026
High1 Aug 2026
Forrestall CPAs
Legal · Records not stated
Social Security numbers and personal data breached, class action lawsuits filed
1 Aug 2026
Critical1 Aug 2026
French Tax Authority
Government · Records not stated
Personal and tax information of 670,000+ French taxpayers stolen and offered online
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
Data theft confirmed: 135,000 contact records leaked on dark web by ExfilSquad after Department for Education hit
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7M patients' medical records stolen in cyberattack, one of largest U.S. healthcare breaches this year
1 Aug 2026
High1 Aug 2026
Pokémon Center
Retail · Records not stated
Data breach exposed delivery and customer information
1 Aug 2026
High1 Aug 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Personal information of current and former employees accessed in data breach
1 Aug 2026
High1 Aug 2026
Baylor Genetics
Healthcare · Records not stated
Genetic testing company data breach exposed IVF patient information
1 Aug 2026
High1 Aug 2026
Preferred Parking
Retail · Records not stated
Data breach exposed customer credit card information
1 Aug 2026
Medium1 Aug 2026
Cyberattack
Technology · Records not stated
Cyberattack exposed customer names, addresses, and order data for Valve Steam customers
1 Aug 2026
High1 Aug 2026
Paylogix, LLC
Technology · Records not stated
Personal information breach; class action lawsuit investigation launched
1 Aug 2026
Critical1 Aug 2026
French Tax Authority
Government · Records not stated
Personal and tax information of over 670,000 French taxpayers stolen and offered online
1 Aug 2026
High1 Aug 2026
Shell, Philips, GE, Fiserv
Sector not stated · Records not stated
Hacking group claimed mass data theft from multiple companies exploiting software vulnerabilities
1 Aug 2026
Medium1 Aug 2026
SickKids
Healthcare · Records not stated
Personal information of current and former employees accessed in data breach
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
Medical records of 3.7 million patients stolen in cyberattack, one of largest US healthcare breaches this year
1 Aug 2026
Critical1 Aug 2026
LiteLLM
Technology · Records not stated
Supply chain attack exposed 2,500+ companies and 434,000 CI/CD pipelines
1 Aug 2026
High1 Aug 2026
Paylogix LLC
Sector not stated · Records not stated
Personal information exposed, class action investigation launched
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people impacted, 3rd-largest US healthcare breach ever
1 Aug 2026
High1 Aug 2026
Williams Brothers Construction
Sector not stated · 21,537 records
Ransomware breach exposed data of 21,537 individuals
1 Aug 2026
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