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.

5,339
Disclosures in the tracker, all years
2,052
Of those, indexed in 2026
111
Added in October
18
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 25 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
Ransomware compromised scientific research data across Dutch institutions
Education · Records not stated
Ransomware compromised scientific research data across Dutch institutions
14 Feb 2021
Medium14 Feb 2021
SMP Health
Healthcare · 88,000 records
88K patient records exposed in data breach
14 Feb 2021
High13 Feb 2021
Kia Motors America
Sector not stated · Records not stated
DoppelPaymer ransomware attacked with $20M demand
13 Feb 2021
High9 Feb 2021
Singtel (Singapore)
Technology · Records not stated
Accellion FTA breach exposed customer data of Singapore's largest telco
9 Feb 2021
Medium9 Feb 2021
Sturdy Memorial Hospital
Healthcare · 57,000 records
57K patient records exposed
9 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Critical8 Feb 2021
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Hacker remotely raised lye levels in drinking water treatment
8 Feb 2021
Were you affected?