Weekly briefing No. 42 published 30 Oct 2026
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.

5,380
Disclosures in the tracker, all years
2,093
Of those, indexed in 2026
14
Added in November
25
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 4 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Medium14 Oct 2023
26K student records exposed
Education · Records not stated
26K student records exposed
14 Oct 2023
Medium14 Oct 2023
26K student records exposed
Education · Records not stated
26K student records exposed
14 Oct 2023
High14 Oct 2023
Henry Schein
Sector not stated · Records not stated
BlackCat ransomware attacked dental supplier twice in months
14 Oct 2023
Medium12 Oct 2023
CNA Financial (2023)
Finance · Records not stated
38K policyholder records exposed
12 Oct 2023
Critical12 Oct 2023
Kansas Courts
Government · Records not stated
Ransomware took down statewide court filing system
12 Oct 2023
High10 Oct 2023
Hospital de Torrevieja (Spain)
Healthcare · Records not stated
Ransomware disrupted hospital systems in Alicante, patient care affected
10 Oct 2023
High10 Oct 2023
Air Europa (Spain)
Sector not stated · Records not stated
Credit card numbers, CVVs, and expiry dates stolen, customers told to cancel cards
10 Oct 2023
High10 Oct 2023
Simpson Manufacturing
Sector not stated · Records not stated
Cyberattack disrupted building products manufacturer
10 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
815M Indian citizens' COVID test data offered for sale, Aadhaar, passport numbers
9 Oct 2023
Critical9 Oct 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
815M citizen records exposed, largest medical database breach globally
9 Oct 2023
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