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.
5,347
Disclosures in the tracker, all years
2,062
Of those, indexed in 2026
122
Added in October
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 27 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Worldwide · How they got in
Incidents worldwide, by country.
75 incidents from 12 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- Japan22 Oct 2026CapcomThe source does not say how they got in.BleepingComputer
- Japan19 Oct 2026Nikkei Inc.How they got in: stolen or reused passwords.BleepingComputer
- Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
High1 Feb 2026
Anthem
Healthcare · Records not stated
Data breach impacting some Anthem members via Conduent
1 Feb 2026
High1 Feb 2026
Blue Shield of California
Healthcare · Records not stated
Third-party privacy breach affecting members
1 Feb 2026
High1 Feb 2026
Blue Shield of California
Healthcare · Records not stated
Third-party potential privacy breach affecting members' data
1 Feb 2026
High1 Feb 2026
Blue Shield of California
Healthcare · Records not stated
Third-party privacy breach notification to members; unauthorized access to member data
1 Feb 2026
Critical1 Feb 2026
Mexican Government Agencies
Government · Records not stated
Multiple federal agencies breached using AI tools (Claude, ChatGPT) millions of records exposed
1 Feb 2026
High1 Feb 2026
University of Pennsylvania
Education · Records not stated
ShinyHunters leaked confidential donor records and internal files
1 Feb 2026
Critical1 Feb 2026
AnMed
Healthcare · Records not stated
Ransomware cyberattack affecting multiple facilities, forced to operate in limited capacity
1 Feb 2026
High1 Feb 2026
Blue Shield of California
Healthcare · Records not stated
Third-party potential privacy breach exposing member data
1 Feb 2026
Critical1 Feb 2026
Mexican Government Agencies
Government · Records not stated
Hacker exploited AI tools to breach 9 federal government agencies, compromising millions of records
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack affecting patient records; clinics offline for over a week
1 Feb 2026
High1 Feb 2026
Munson Healthcare
Healthcare · 120,000 records
120K patients' data compromised in data breach
1 Feb 2026
Critical1 Feb 2026
Conduent
Technology · 25,000,000 records
At least 25 million people had personal data stolen from printing, payment, and document services company
1 Feb 2026
Critical1 Feb 2026
Mexican Government Agencies
Government · Records not stated
9 federal agencies breached using AI tools; occurred late Dec 2025-mid Feb 2026, millions of records stolen
1 Feb 2026
Critical1 Feb 2026
Mexican Government (9 agencies)
Government · Records not stated
9 Mexican federal government agencies breached via AI tools manipulation; millions of records exposed Dec 2025-Feb 2026
1 Feb 2026
High1 Feb 2026
Conduent (Anthem)
Healthcare · Records not stated
Data breach impacting some Anthem health insurance members
1 Feb 2026
High1 Feb 2026
NYC Health + Hospital
Healthcare · Records not stated
Unauthorized access to systems between late November and mid-February
1 Feb 2026
Critical1 Feb 2026
Mexican Government
Government · Records not stated
9 federal agencies breached Dec 2025-Feb 2026 using AI tools; attacker used Claude Code and ChatGPT
1 Feb 2026
High1 Feb 2026
University of Pennsylvania
Education · Records not stated
ShinyHunters leaked confidential files including donor activity records and personal information
1 Feb 2026
High1 Feb 2026
Anthem (Conduent)
Healthcare · Records not stated
Breach contained with no evidence of misuse; personal data exposed to some members
1 Feb 2026
High1 Feb 2026
Anthem (Conduent)
Healthcare · Records not stated
Data breach impacts some Anthem members; Conduent reports breach is contained with no evidence of misuse
1 Feb 2026
High1 Feb 2026
Mexican Government
Government · Records not stated
Hacker exploited AI tools to breach 9 federal agencies between Dec 2025-Feb 2026
1 Feb 2026
Critical1 Feb 2026
Multiple Organizations (Credential compilation)
Technology · Records not stated
Database containing 149 million stolen passwords including 48 million Gmail account credentials exposed
1 Feb 2026
High1 Feb 2026
Anthem (Conduent)
Healthcare · Records not stated
Data breach impacts some Anthem members; Conduent confirms breach is contained with no evidence of misuse
1 Feb 2026
Medium1 Feb 2026
Conduent/Anthem
Healthcare · Records not stated
Data breach impacted some Anthem members; Conduent reports breach contained with no evidence of misuse
1 Feb 2026
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