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.
5,274
Disclosures in the tracker, all years
1,988
Of those, indexed in 2026
36
Added in October
13
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 13 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
3,944 results · Disclosures in 2026. Clear filters
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
Critical1 Feb 2026
Conduent
Sector not stated · 25,000,000 records
At least 25 million people had personal data stolen; printing, payment, and document services company
1 Feb 2026
Critical1 Feb 2026
Mexican Government
Government · Records not stated
Hacker exploited AI tools (Claude Code, ChatGPT) to breach 9 federal agencies; millions of records stolen
1 Feb 2026
High1 Feb 2026
Bank of Baroda
Finance · Records not stated
Data breach affecting banking customers in India
1 Feb 2026
Critical1 Feb 2026
Multiple Email Providers
Technology · 149,000,000 records
149 million passwords exposed including 48 million Gmail accounts in massive credential leak
1 Feb 2026
Critical1 Feb 2026
Generic Credential Dump
Technology · 149,000,000 records
149 million passwords exposed including 48 million Gmail accounts
1 Feb 2026
Critical1 Feb 2026
Multiple Email/Password Database
Technology · Records not stated
149 million stolen passwords exposed, including 48 million Gmail accounts
1 Feb 2026
Critical1 Feb 2026
Unknown (Credential compilation)
Technology · Records not stated
149 million stolen passwords exposed publicly, including 48 million Gmail accounts
1 Feb 2026
High1 Feb 2026
Anthem (Conduent)
Healthcare · Records not stated
Data breach impacting Anthem members; contained with no evidence of misuse or public release
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 access to patient records and clinical operations
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
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack disrupted patient record access and clinic operations for over a week
1 Feb 2026
High1 Feb 2026
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack caused clinic closures and disrupted patient records access for over a week
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 patient record access and clinics operations
1 Feb 2026
Critical1 Feb 2026
Credential Database
Technology · Records not stated
Database containing 149 million stolen passwords exposed publicly, including 48 million Gmail accounts
1 Feb 2026
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