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.
5,350
Disclosures in the tracker, all years
2,063
Of those, indexed in 2026
122
Added in October
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 27 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.
75 incidents from 12 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.
- Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
- Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
- Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
- 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
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
High2 Mar 2021
Microsoft Exchange zero-day exploited, European banking regulator compromised
Finance · Records not stated
Microsoft Exchange zero-day exploited, European banking regulator compromised
2 Mar 2021
Critical2 Mar 2021
Multiple federal agencies
Government · Records not stated
Multiple federal agencies breached via Hafnium Exchange zero-days
2 Mar 2021
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