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.
5,518
Disclosures in the tracker, all years
2,024
Of those, indexed in 2026
75
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 20 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.
69 incidents from 11 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.
- Hong Kong16 Oct 2026AOMEI Backupper usersHow they got in: a supplier or vendor that was compromised first.The Hacker News
Critical9 Aug 2026
Conduent Business Services
Healthcare · 62,200,000 records
62.2M records exposed in healthcare breach
9 Aug 2026
Medium9 Aug 2026
Alcon
Healthcare · 218,395 records
218,395 records exposed, Email addresses, Names, Phone numbers, Physical addresses
9 Aug 2026
High9 Aug 2026
Breach
Healthcare · Records not stated
Breach exposed personal and medical information including Social Security numbers
9 Aug 2026
Critical9 Aug 2026
9 Aug 2026
Critical9 Aug 2026
100K+ officer and staff records exposed
Government · Records not stated
100K+ officer and staff records exposed
9 Aug 2026
Critical9 Aug 2026
Marquis Fintech
Finance · Records not stated
800K personal and financial records compromised
9 Aug 2026
Critical9 Aug 2026
US Homeland Security Network
Government · Records not stated
Sensitive gov agency data accessed via HSIN platform
9 Aug 2026
Critical9 Aug 2026
135K law enforcement contact records leaked
Government · Records not stated
135K law enforcement contact records leaked
9 Aug 2026
High9 Aug 2026
Switzerland Federal IT Office
Government · Records not stated
200 government accounts compromised via SharePoint
9 Aug 2026
Critical9 Aug 2026
Snowflake Cloud Platform
Technology · 165,000,000 records
165+ orgs breached, billions of records stolen
9 Aug 2026
Critical9 Aug 2026
100K+ officers and staff contact data exposed
Government · Records not stated
100K+ officers and staff contact data exposed
9 Aug 2026
Medium9 Aug 2026
Swiss Federal IT Office
Government · Records not stated
200 government accounts compromised via SharePoint
9 Aug 2026
Critical9 Aug 2026
One Medical Seniors
Healthcare · Records not stated
Clinical records exfiltrated in third-party breach
9 Aug 2026
Critical9 Aug 2026
100K+ officer and justice professional records leaked
Government · Records not stated
100K+ officer and justice professional records leaked
9 Aug 2026
Medium9 Aug 2026
Liechtenstein Government Register
Government · Records not stated
31K beneficial ownership records exposed
9 Aug 2026
Critical9 Aug 2026
Snowflake Platform
Technology · 165,000,000 records
165 orgs breached billions of records stolen
9 Aug 2026
Critical9 Aug 2026
100K+ officer and staff records leaked
Government · Records not stated
100K+ officer and staff records leaked
9 Aug 2026
High9 Aug 2026
9 Aug 2026
Critical9 Aug 2026
100K+ officers and staff credentials exposed
Government · Records not stated
100K+ officers and staff credentials exposed
9 Aug 2026
Medium8 Aug 2026
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
A cluster of nearly 800 malicious packages has been published to the npm registry as part of a new campaign designed to deliver cross-platform malware targeting Windows, Mac, and Linux systems.
"These packages appear…
8 Aug 2026
Critical8 Aug 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
An update on the ransomware attack affecting the City of Coweta: the city manager has been through a ransomware attack before with another city, and reports that after they paid, they were reinfected weeks later, so…
8 Aug 2026
Medium8 Aug 2026
Katie Chavez
Government · Records not stated
Katie Chavez reports: Suisun City officials declared a state of emergency Saturday, Aug. 8, after a cyberattack took out the city’s emergency dispatch line and other key systems. City officials said that “malicious…
8 Aug 2026
Critical8 Aug 2026
U.S. Government (Civil Servants)
Government · Records not stated
Thousands of civil servants' passwords exposed since early 2024, including White House-linked credentials
8 Aug 2026
High8 Aug 2026
Intel
Technology · 18,000 records
18,000 files stolen in insider threat incident
8 Aug 2026
Were you affected?