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.
5,410
Disclosures in the tracker, all years
2,125
Of those, indexed in 2026
47
Added in November
47
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 7 Nov 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.
78 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.
- Canada5 Nov 2026Burnaby School DistrictThe source does not say how they got in.CBC News
- Canada3 Nov 2026Central Okanagan School DistrictThe source does not say how they got in.CBC News
- Canada31 Oct 2026ChainalysisHow they got in: automated AI tools that work through many organizations at once.BleepingComputer
- Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
High8 Jul 2023
Sutter Health (vendor)
Healthcare · 845,000 records
845K patient records exposed through vendor compromise
8 Jul 2023
Medium7 Jul 2023
7 Jul 2023
Medium7 Jul 2023
7 Jul 2023
Medium6 Jul 2023
6 Jul 2023
Medium5 Jul 2023
5 Jul 2023
Critical4 Jul 2023
Port of Nagoya (Japan)
Sector not stated · Records not stated
LockBit ransomware disrupted Japan's largest port for 3 days, cargo operations halted
4 Jul 2023
Medium3 Jul 2023
Schwab Retirement Plan Services
Finance · Records not stated
44K participant records exposed
3 Jul 2023
Medium1 Jul 2023
Los Alamos National Laboratory
Government · 22,000 records
22K records exposed in vendor breach
1 Jul 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
Critical30 Jun 2023
Organisation not named
Healthcare · 900,000 records
The disclosure as indexed does not name the organisation.
7TB of data stolen by ALPHV/BlackCat, largest NHS trust, 2.5M patient catchment
30 Jun 2023
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