Intelligence · Disclosure tracker
Every public disclosure, dated and sourced.
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.
5,318
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Jun 2026
Thousands of NHS patient records
Healthcare · 900,000 records
Thousands of NHS patient records confirmed stolen during major ransomware attack disrupting healthcare
1 Jun 2026
Medium1 Jun 2026
Ecopetrol
Sector not stated · 3,300 records
Cyberattack exposed data tied to approximately 3,300 user accounts
1 Jun 2026
Critical1 Jun 2026
Synnovis NHS
Healthcare · 900,000 records
Thousands of NHS patient records stolen in ransomware cyberattack
1 Jun 2026
Medium1 Jun 2026
Levi Strauss
Retail · Records not stated
Hackers gained access to three workers' company-issued computers via social engineering
1 Jun 2026
High1 Jun 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135,000 contact records leaked on dark web; police and government contact details exposed
1 Jun 2026
Critical1 Jun 2026
Synnovis/Essex NHS
Healthcare · 900,000 records
Thousands of patient records stolen in major ransomware cyberattack on NHS trust in Essex, England
1 Jun 2026
Critical1 Jun 2026
Thousands of patient records
Healthcare · Records not stated
Thousands of patient records confirmed stolen in ransomware attack that disrupted healthcare services
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in ransomware attack
1 Jun 2026
Critical1 Jun 2026
Fortinet (FortiBleed campaign)
Technology · Records not stated
73,000+ Fortinet FortiGate firewalls compromised with admin credentials and VPN data exposed
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Thousands of patient records stolen during major ransomware attack disrupting healthcare services
1 Jun 2026
Critical1 Jun 2026
Elasticsearch Database (unnamed user)
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials in one of largest infostealer compilations
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in major ransomware attack
1 Jun 2026
High1 Jun 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
135K contact records including police and government contacts leaked on dark web
1 Jun 2026
High1 Jun 2026
University of Western Australia
Education · Records not stated
Student records accidentally leaked in second breach within six months
1 Jun 2026
High1 Jun 2026
Sangamon County
Government · Records not stated
Platinum Technology data incident affected voters
1 Jun 2026
Critical1 Jun 2026
SplitVPN
Technology · 865,000 records
Data breach exposed personal records of approximately 865,000 users of the Russian VPN provider (formerly NotVPN)
1 Jun 2026
High1 Jun 2026
Fairlife (Coca-Cola)
Retail · Records not stated
Ransomware attack shut down dairy operations; disclosed to SEC
1 Jun 2026
Critical1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Thousands of NHS patient records stolen in major ransomware attack affecting healthcare systems
1 Jun 2026
High1 Jun 2026
New Jersey Law Firm
Legal · 13,000 records
Cyberattack on law firm exposed hospital records for nearly 13,000 patients
1 Jun 2026
High1 Jun 2026
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
Ransomware attack stole thousands of NHS patient records in Essex healthcare trust
1 Jun 2026
Critical1 Jun 2026
Elasticsearch Database
Technology · Records not stated
Publicly exposed database leaked 24 billion stolen credentials from infostealer logs
1 Jun 2026
High1 Jun 2026
FirstClass (Australian travel agency)
Sector not stated · Records not stated
Customer records allegedly breached; threat actor claimed responsibility on underground forums
1 Jun 2026
Critical1 Jun 2026
Essex NHS
Healthcare · 900,000 records
Thousands of patient records stolen in cyber attack, breach disclosed 6+ months after notification
1 Jun 2026
High1 Jun 2026
Synnovis/Mid South Essex NHS
Healthcare · 900,000 records
Thousands of NHS patient records confirmed stolen in ransomware cyberattack
1 Jun 2026
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