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.
5,282
Disclosures in the tracker, all years
1,995
Of those, indexed in 2026
41
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.
3,949 results · Disclosures in 2026. Clear filters
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
Critical1 Aug 2026
French Tax Authority
Government · Records not stated
670,000 French taxpayers' personal and tax data stolen and offered online
1 Aug 2026
High1 Aug 2026
Police National Legal Database
Government · Records not stated
135,000 contact records stolen by ExfilSquad, leaked on dark web
1 Aug 2026
Critical1 Aug 2026
Thailand's Digital Ministry
Government · Records not stated
221 million exposed login records identified in government systems
1 Aug 2026
High1 Aug 2026
Alation
Technology · Records not stated
Unauthorized access to systems confirmed; data search and AI company investigating breach
1 Aug 2026
Critical1 Aug 2026
CareCloud
Healthcare · 3,700,000 records
3.7M patients' medical records stolen in cyberattack, one of largest healthcare breaches this year
1 Aug 2026
Critical1 Aug 2026
Conduent
Healthcare · 62,200,000 records
62.2 million people affected; third-largest US healthcare breach ever
1 Aug 2026
High1 Aug 2026
Data breach
Legal · 1,687 records
Data breach exposed personal information of 1,687 people including SSNs and health records
1 Aug 2026
High1 Aug 2026
Nova Scotia Power
Sector not stated · Records not stated
Three decades of customer information hacked; digital copy was not deleted as planned
1 Aug 2026
High1 Aug 2026
French Tax Authority
Government · Records not stated
More than 670,000 French taxpayers' personal and tax information stolen and offered online
1 Aug 2026
High1 Aug 2026
Amgen
Healthcare · Records not stated
Hackers accessed cloud environment stealing patient health information and proprietary company data
1 Aug 2026
Critical1 Aug 2026
Thailand Digital Ministry
Government · Records not stated
221 million exposed login records from state systems identified, MFA mandate sought
1 Aug 2026
High1 Aug 2026
Comcast (Xfinity)
Technology · 35,000,000 records
Cyberattack exposed personal information of Xfinity customers; $117.5 million settlement reached
1 Aug 2026
Critical1 Aug 2026
Heights Finance
Finance · 1,200,000 records
At least 1.2 million individuals impacted; names, addresses, phone numbers, Social Security numbers and financial information stolen
1 Aug 2026
High1 Aug 2026
SafePal
Technology · 39,798 records
39,798 customers exposed with names, addresses, and phone numbers leaked
1 Aug 2026
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