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.

5,376
Disclosures in the tracker, all years
2,090
Of those, indexed in 2026
6
Added in November
26
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 2 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.

77 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.

  1. Singapore22 Oct 2026GenesysThe source does not say how they got in.The Hacker News
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
Critical2 Mar 2021
Oxfam
Finance · 1,834,006 records
1,834,006 records exposed, Bank account numbers, Dates of birth, Email addresses, Genders and 5 more
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
Medium2 Mar 2021
Ashtabula County Medical Center
Healthcare · 44,000 records
44K patient records exposed
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
Microsoft Exchange Server (Hafnium)
Technology · Records not stated
250K+ Exchange servers exploited globally via ProxyLogon zero-days
2 Mar 2021
Critical1 Mar 2021
Ticketcounter
Finance · 1,921,722 records
1,921,722 records exposed, Bank account numbers, Dates of birth, Email addresses, Genders and 5 more
1 Mar 2021
Critical1 Mar 2021
Universal Health Services (2021)
Healthcare · Records not stated
UHS reported $67M in losses from 2020 Ryuk ransomware
1 Mar 2021
Medium1 Mar 2021
Allergy Partners
Healthcare · 96,000 records
96K patient records exposed in ransomware
1 Mar 2021
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