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.
5,406
Disclosures in the tracker, all years
2,120
Of those, indexed in 2026
45
Added in November
46
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 6 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
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 · 2,500,000 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
High28 Jun 2023
Croatian Hospital Centre Zagreb
Healthcare · Records not stated
Ransomware disrupted Croatia's largest hospital, patient systems offline
28 Jun 2023
High25 Jun 2023
BreachForums Clone
Technology · 4,204 records
4,204 records exposed, Email addresses, IP addresses, Passwords, Usernames
25 Jun 2023
Critical25 Jun 2023
Suncor Energy
Sector not stated · Records not stated
Cyberattack disrupted Petro-Canada gas stations nationwide
25 Jun 2023
High25 Jun 2023
Suncor Energy / Petro-Canada
Sector not stated · Records not stated
Cyberattack disrupted Petro-Canada gas stations nationwide, payment systems offline for days
25 Jun 2023
Medium25 Jun 2023
25 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
Critical22 Jun 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware disrupted blood test results delivery across South Africa
22 Jun 2023
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