Weekly briefing No. 41 published 4 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.

5,332
Disclosures in the tracker, all years
2,046
Of those, indexed in 2026
104
Added in October
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 24 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware forced cancellation of classes and exams across 13 campuses
7 Mar 2021
Medium7 Mar 2021
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
48K student and employee records exposed in Conti ransomware
7 Mar 2021
High7 Mar 2021
Bose Corporation
Retail · Records not stated
Employee data exposed in ransomware attack
7 Mar 2021
High3 Mar 2021
Gab
Retail · 66,521 records
66,521 records exposed, Avatars, Email addresses, Names, Passwords and 2 more
3 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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