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.

5,405
Disclosures in the tracker, all years
2,119
Of those, indexed in 2026
40
Added in November
41
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.

Worldwide · How they got in

Incidents worldwide, by country.

77 incidents from 9 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. Denmark27 Oct 2026ENGIEThe source does not say how they got in.BleepingComputer
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Critical1 Oct 2023
Japan Aerospace Agency (JAXA)
Government · Records not stated
October 2023 data breach leveraging VPN and Microsoft 365 security holes, attributed to Chinese state actors
1 Oct 2023
Critical1 Oct 2023
Japan Aerospace Agency
Government · Records not stated
October data breach leveraged VPN and Microsoft 365 security holes, attributed to Chinese state actors
1 Oct 2023
High1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access to systems; attack leveraged VPN and Microsoft 365 security holes, attributed to Chinese state actors
1 Oct 2023
Critical1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access to systems with data compromise, attributed to state actors exploiting VPN and Microsoft 365 vulnerabilities
1 Oct 2023
High1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access and data compromise, attributed to state actors exploiting VPN and Microsoft 365 security holes
1 Oct 2023
Critical1 Oct 2023
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized access and compromised information, attributed to Chinese state actors exploiting VPN and Microsoft 365 security holes
1 Oct 2023
Medium1 Oct 2023
Hanover Insurance
Finance · Records not stated
29K policyholder records exposed
1 Oct 2023
Medium1 Oct 2023
87K patient records exposed
Healthcare · 87,000 records
87K patient records exposed
1 Oct 2023
Medium1 Oct 2023
Nashua School District (NH)
Education · Records not stated
8K student records exposed
1 Oct 2023
High30 Sep 2023
Motel One (Germany)
Sector not stated · Records not stated
ALPHV stole 6TB from hotel chain, guest records including credit card data published
30 Sep 2023
Medium28 Sep 2023
Berkshire Hathaway (insurance)
Finance · Records not stated
28K policyholder records exposed
28 Sep 2023
Critical28 Sep 2023
ESO Solutions
Healthcare · 2,700,000 records
2.7M patient records exposed in ambulance service vendor breach
28 Sep 2023
High27 Sep 2023
Stanford University (2023)
Education · 27,000 records
27K individual records exposed in Akira ransomware
27 Sep 2023
Were you affected?