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.
5,323
Disclosures in the tracker, all years
2,037
Of those, indexed in 2026
85
Added in October
21
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 21 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.
72 incidents from 9 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.
- Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
- Canada19 Oct 2026City of HamiltonThe source does not say how they got in.CBC
- Canada17 Oct 2026More RewardsThe source does not say how they got in.CTV News
- Canada16 Oct 2026McMurray MétisHow they got in: email made to look like it came from a trusted sender.Yahoo News Canada
- Canada14 Oct 2026Nova Scotia minor hockey communityHow they got in: email made to look like it came from a trusted sender.PNI Atlantic News
High5 Dec 2018
ForumCommunity
Technology · 776,648 records
776,648 records exposed, Email addresses, Passwords, Usernames
5 Dec 2018
High4 Dec 2018
Technic
Retail · 265,410 records
265,410 records exposed, Chat logs, Email addresses, IP addresses, Passwords and 2 more
4 Dec 2018
Critical1 Dec 2018
Meta
Technology · Records not stated
2018 breach, fined €251 million by EU privacy regulator for privacy violations
1 Dec 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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