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.
- Japan16 Oct 2026Burger King JapanThe source does not say how they got in.Security Affairs
- Japan16 Oct 2026BK JapanThe source does not say how they got in.SecurityWeek
- Japan16 Oct 2026Al Jazeera Media NetworkHow they got in: a supplier or vendor that was compromised first.BleepingComputer
- Japan14 Oct 2026Healthcare and financial organisations globallyHow they got in: email made to look like it came from a trusted sender.The Hacker News
- Japan8 Oct 2026Park24The source does not say how they got in.The Hacker News
- Japan7 Oct 2026AdvantestThe source does not say how they got in.SecurityWeek
- Japan6 Oct 2026NikkeiThe source does not say how they got in.Infosecurity Magazine
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical30 Nov 2018
Organisation not named
Sector not stated · Records not stated
The disclosure as indexed does not name the organisation.
339M guest records worldwide, UK ICO fined Marriott 18.4M GBP
30 Nov 2018
Critical28 Nov 2018
Data & Leads
Finance · 44,320,330 records
44,320,330 records exposed, Email addresses, Employers, IP addresses, Job titles and 3 more
28 Nov 2018
Were you affected?