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.
5,339
Disclosures in the tracker, all years
2,052
Of those, indexed in 2026
111
Added in October
18
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 25 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Feb 2026
Exposed database (unnamed)
Sector not stated · 3,000,000,000 records
Misconfigured cloud database exposed 3 billion records including SSNs and plaintext passwords
1 Feb 2026
Critical1 Feb 2026
Multiple (Credential Database)
Technology · 149,000,000 records
149 million passwords exposed including 48 million Gmail accounts in publicly exposed database
1 Feb 2026
High1 Feb 2026
Anthem
Healthcare · Records not stated
Data breach via Conduent affecting some Anthem insurance members
1 Feb 2026
Critical1 Feb 2026
Unknown Organization
Sector not stated · 3,000,000,000 records
Misconfigured cloud database exposed 3 billion records including SSNs and plaintext passwords
1 Feb 2026
Critical1 Feb 2026
Conduent Business Services
Technology · 25,000,000 records
Ransomware attack exposed data on more than 25 million individuals from government contractor
1 Feb 2026
Critical1 Feb 2026
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Multiethnic Cohort Study data including driver's license numbers and voter registration leaked via ransomware
1 Feb 2026
Critical1 Feb 2026
Mexican Federal Government
Government · Records not stated
Nine agencies breached via AI platform exploits (Claude Code, ChatGPT); millions of records stolen
1 Feb 2026
Critical1 Feb 2026
Multiple (Credential Leak)
Technology · 149,000,000 records
149 million passwords exposed including 48 million Gmail accounts in massive credential database leak
1 Feb 2026
Critical1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack brought down computer network, canceling surgeries and closing clinics
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack brought down computer network, causing surgeries to be canceled and clinics closed
1 Feb 2026
High1 Feb 2026
FirstClass
Sector not stated · Records not stated
Australian travel agency customer records allegedly breached and posted on underground forums
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack shut down computer network; surgeries canceled and clinics closed
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disabled computer network; surgeries canceled and clinics closed
1 Feb 2026
Critical1 Feb 2026
Mexican Government (9 agencies)
Government · Records not stated
Single hacker exploited Claude Code and OpenAI ChatGPT to breach 9 federal agencies Dec 2025-Feb 2026
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack on hospital network caused surgeries to be canceled and clinics closed
1 Feb 2026
High1 Feb 2026
Huntsville Hospital Health System
Healthcare · Records not stated
Patient data compromised through third-party breach affecting multiple facilities
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disabled computer network, cancelled surgeries and closed clinics
1 Feb 2026
Critical1 Feb 2026
Exposed cloud database
Sector not stated · 3,000,000,000 records
Misconfigured database leaked 3 billion records including SSNs and plaintext passwords
1 Feb 2026
Critical1 Feb 2026
Unknown misconfigured database
Sector not stated · 3,000,000,000 records
3 billion records exposed including SSNs and plaintext passwords
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted network; surgeries canceled and clinics closed
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack brought down computer network, canceled surgeries and closed clinics
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack shut down computer network, cancelled surgeries and clinics
1 Feb 2026
High1 Feb 2026
KT Corporation
Technology · Records not stated
Customer data breach; South Korea fined telco $39 million for personal information exposure
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack on hospital network forced closure of clinics and cancellation of surgeries
1 Feb 2026
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