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.
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
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
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