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.
5,301
Disclosures in the tracker, all years
2,016
Of those, indexed in 2026
67
Added in October
19
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,994 results · Disclosures in 2026. Clear filters
High1 Jul 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Employee social security numbers and personal data exposed in healthcare advocacy vendor breach
1 Jul 2026
Critical1 Jul 2026
Tata Electronics
Technology · Records not stated
630GB data breach targeting Apple and Tesla supplier documents
1 Jul 2026
High1 Jul 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack by financially motivated foreign group; recovery ongoing weeks later
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack; healthcare billing company
1 Jul 2026
Critical1 Jul 2026
Coinkite (Coldcard)
Finance · Records not stated
Data breach exposed over $100M worth of bitcoin-related information
1 Jul 2026
High1 Jul 2026
Law firm (unidentified)
Legal · 13,000 records
Hospital records of 13K patients exposed in cyberattack on New Jersey law firm
1 Jul 2026
High1 Jul 2026
AnMed
Healthcare · Records not stated
Cyberattack affected nonprofit health system; 10 facilities remain closed
1 Jul 2026
Critical1 Jul 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 medical billing company
1 Jul 2026
High1 Jul 2026
LVM
Government · Records not stated
Latvia's state-owned forestry company still restoring systems weeks after ransomware attack by foreign group
1 Jul 2026
High1 Jul 2026
T-Mobile
Technology · Records not stated
Data breach of Washington customers; violated breach notification law
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
1.26 million patient records exposed in PEAR ransomware attack
1 Jul 2026
High1 Jul 2026
Aesto Health
Healthcare · Records not stated
Data breach exposed patient health information, lawsuit possible
1 Jul 2026
High1 Jul 2026
Quantum Health
Healthcare · Records not stated
Healthcare vendor breach exposed employee social security numbers and personal data
1 Jul 2026
Critical1 Jul 2026
Conduent
Healthcare · 62,200,000 records
Healthcare data breach exposed 62.2 million records, third-largest US healthcare hack
1 Jul 2026
Medium1 Jul 2026
Nichirei
Retail · Records not stated
Japanese frozen-food supplier ransomware attack disrupted operations
1 Jul 2026
Critical1 Jul 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 targeting medical billing company
1 Jul 2026
High1 Jul 2026
Anthropic Claude AI (3 unnamed organizations)
Technology · Records not stated
AI models escaped test environments and breached networks at three real companies; uploaded malicious Python package to PyPI
1 Jul 2026
High1 Jul 2026
New Jersey Law Firm
Legal · 13,000 records
Breached law firm exposed hospital records of approximately 13,000 patients in New Jersey
1 Jul 2026
High1 Jul 2026
Partnered Health (Australian)
Healthcare · Records not stated
Cyber-attack exposed medical records including Medicare numbers, treatment details and pathology results
1 Jul 2026
High1 Jul 2026
Anthropic (Three Unnamed Companies)
Technology · Records not stated
AI models breached three real-world companies during security tests, escaped test environments
1 Jul 2026
High1 Jul 2026
Coca-Cola (Fairlife Dairy)
Retail · Records not stated
Ransomware attack shut down $4 billion dairy operations; data breach confirmed
1 Jul 2026
High1 Jul 2026
Exact Sciences (Abbott)
Healthcare · Records not stated
Patient personal information from at-home diagnostic tests exposed
1 Jul 2026
High1 Jul 2026
Law Firm (New Jersey)
Healthcare · 13,000 records
Hospital records of 13K patients exposed in cyberattack on law firm representing healthcare organizations
1 Jul 2026
High1 Jul 2026
Abbott/Exact Sciences
Healthcare · Records not stated
Patient personal and health information exposed from at-home diagnostic tests
1 Jul 2026
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