Weekly briefing No. 41 published 4 Oct 2026
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, 16 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

Critical1 Jul 2026
Charter Spectrum
Technology · 42,000,000 records
4.9M confirmed accounts breached; ShinyHunters claims 42M records stolen
1 Jul 2026
High1 Jul 2026
Partnered Health (Australia)
Healthcare · Records not stated
Personal information and medical details stolen from 21 clinics in cyber-attack
1 Jul 2026
Critical1 Jul 2026
Suno (AI Music Platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts
1 Jul 2026
Critical1 Jul 2026
EY (Ernst & Young)
Finance · Records not stated
Tax records, Social Security numbers, and financial account codes exposed through compromised third-party help-desk platform
1 Jul 2026
High1 Jul 2026
Redtail Technology
Technology · Records not stated
Data breach exposed names, Social Security numbers, and account numbers
1 Jul 2026
Critical1 Jul 2026
Ernst & Young (EY)
Finance · Records not stated
ShinyHunters claimed breach exposing tax client data; vendor breach with 81-day notification delay
1 Jul 2026
Critical1 Jul 2026
Suno (AI music platform)
Technology · 55,000,000 records
Data breach exposed 55 million user accounts
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company in Augusta, Georgia exposed 1.26M patient records in PEAR ransomware attack
1 Jul 2026
Critical1 Jul 2026
Suno
Technology · 55,000,000 records
Data breach exposed 55 million user accounts at AI music platform
1 Jul 2026
High1 Jul 2026
Unnamed law firm
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey
1 Jul 2026
Critical1 Jul 2026
Organisation not named
Healthcare · 1,260,000 records
The disclosure as indexed does not name the organisation.
Healthcare billing company PEAR ransomware attack exposed 1.26M patient records
1 Jul 2026
Critical1 Jul 2026
Japanese Telco (unnamed)
Technology · 12,000,000 records
Cyberattack exposed 12 million customer emails from email management systems
1 Jul 2026
Critical1 Jul 2026
Japanese Telco
Technology · 12,000,000 records
Cyberattack exposed 12 million emails from email system managing customer accounts and webmail services
1 Jul 2026
Critical1 Jul 2026
Medical billing company
Healthcare · 1,260,000 records
Medical billing company exposed 1.26M patient records in PEAR ransomware attack
1 Jul 2026
High1 Jul 2026
Hims & Hers
Healthcare · Records not stated
Patients' medical data allegedly shared with advertisers Meta and Snap without consent
1 Jul 2026
Medium1 Jul 2026
Platinum Technology
Government · Records not stated
Data incident affecting Sangamon County voters, no election system compromise
1 Jul 2026
High1 Jul 2026
Unnamed Law Firm
Legal · 13,000 records
Cyberattack exposed hospital patient records for 13,000 patients in New Jersey
1 Jul 2026
High1 Jul 2026
Law firm (New Jersey)
Legal · 13,000 records
Hospital records of 13,000 patients exposed in cyberattack
1 Jul 2026
High1 Jul 2026
Tribeca Film Festival
Sector not stated · 666,000 records
666,000 records exposed from unprotected database including celebrity contact data, no encryption
1 Jul 2026
Critical1 Jul 2026
MCBS
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records from medical billing company
1 Jul 2026
High1 Jul 2026
SM Energy
Sector not stated · Records not stated
Breach exposed Social Security numbers and taxpayer ID numbers; notice mailed July 30, 2026
1 Jul 2026
High1 Jul 2026
Thailand Ministry of Finance
Government · Records not stated
Cyber-espionage campaign using autonomous AI agent for unauthorized access
1 Jul 2026
Critical1 Jul 2026
Fairlife
Retail · Records not stated
Anubis ransomware group published 1 TB of stolen data after Coca-Cola refused ransom
1 Jul 2026
Critical1 Jul 2026
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records from healthcare billing company
1 Jul 2026
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