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.
5,280
Disclosures in the tracker, all years
1,993
Of those, indexed in 2026
39
Added in October
7
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 16 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,947 results · Disclosures in 2026. Clear filters
Critical10 Aug 2026
Conduent Business Services
Government · 62,200,000 records
62.2M records exposed, SSNs and health data
10 Aug 2026
Medium10 Aug 2026
Louisville Bar Association
Legal · Records not stated
Internal legal data stolen by INC_RANSOM
10 Aug 2026
Critical10 Aug 2026
Navia Benefits Administration
Finance · Records not stated
2.7M SSNs and benefits data exfiltrated
10 Aug 2026
Critical10 Aug 2026
100K+ officer and gov contact records leaked
Government · Records not stated
100K+ officer and gov contact records leaked
10 Aug 2026
Medium10 Aug 2026
Valve
Sector not stated · Records not stated
Video game publisher and digital distribution giant Valve is notifying Steam hardware customers in Europe that hackers stole their data after hacking its shipping partner, CEVA Logistics.
10 Aug 2026
High10 Aug 2026
Law firm (unspecified)
Legal · Records not stated
Breach exposed hospital records on 13,000 New Jersey patients through cyberattack on law firm
10 Aug 2026
Critical10 Aug 2026
Banyumas Regency Indonesia
Government · Records not stated
2M resident records leaked by threat actor
10 Aug 2026
Critical10 Aug 2026
135K police officer contact records leaked
Government · Records not stated
135K police officer contact records leaked
10 Aug 2026
Critical10 Aug 2026
UnitedHealthcare
Healthcare · Records not stated
One of the largest healthcare data breaches in American history; multiple companies affected
10 Aug 2026
High9 Aug 2026
Park Hyo-jung
Finance · 460,000 records
Park Hyo-jung reports: More than 460,000 pieces of personal data, including bank account and credit card information, were exposed in a breach at South Korean financial media outlet 3Pro TV. E-Broadcasting, the company…
9 Aug 2026
High9 Aug 2026
Tribeca Festival
Sector not stated · Records not stated
Data leak exposed contact information for celebrities and hundreds of thousands of records
9 Aug 2026
Critical9 Aug 2026
Facebook
Technology · 1,000,000,000 records
Multiple major data breaches since 2013 exposed over 1 billion records
9 Aug 2026
Critical9 Aug 2026
Unlimited Technology Systems
Healthcare · 3,800,000 records
3.8 million people impacted in healthcare software company breach
9 Aug 2026
High9 Aug 2026
Quantum Health
Healthcare · Records not stated
Healthcare advocacy vendor breach exposed employees' SSNs via New Era Technology
9 Aug 2026
High9 Aug 2026
100K officer contact records leaked
Government · Records not stated
100K officer contact records leaked
9 Aug 2026
High9 Aug 2026
100K officer and staff contacts leaked
Government · Records not stated
100K officer and staff contacts leaked
9 Aug 2026
Critical9 Aug 2026
100K officer and staff records exfiltrated
Government · Records not stated
100K officer and staff records exfiltrated
9 Aug 2026
High9 Aug 2026
Bank of Baroda
Finance · Records not stated
Alleged major cyberattack representing one of India's biggest corporate data breaches
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on healthcare billing company
9 Aug 2026
Critical9 Aug 2026
100K+ officer and staff records leaked
Government · Records not stated
100K+ officer and staff records leaked
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Used China-made malware USB drives on classified networks, breach unnoticed for nearly a year
9 Aug 2026
Critical9 Aug 2026
CareCloud Health Tech
Healthcare · 345,000 records
345K patient SSNs and medical records stolen
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of civil servants' passwords exposed, including White House credentials
9 Aug 2026
Critical9 Aug 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patients exposed in PEAR ransomware attack on healthcare billing company
9 Aug 2026
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