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.

5,522
Disclosures in the tracker, all years
2,132
Of those, indexed in 2026
62
Added in November
24
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 9 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.

Critical4 Nov 2024
Z-lib
Finance · 9,737,374 records
9,737,374 records exposed, Cryptocurrency wallet addresses, Email addresses, Geographic locations, Passwords and 2 more
4 Nov 2024
Critical4 Nov 2024
Deloitte
Technology · Records not stated
Brain Cipher ransomware claimed 1TB of data stolen
4 Nov 2024
High1 Nov 2024
Ransomware attack
Healthcare · Records not stated
Ransomware attack exposed personal data of individuals affected
1 Nov 2024
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Unauthorized email access
Healthcare · Records not stated
Unauthorized email access exposed SSNs and medical records for 15 months (Aug 2024-Nov 2024)
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
Ransomware attack in November 2024 exposed individual data, notification sent July 2026
1 Nov 2024
Critical1 Nov 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized email access for 15 months exposed SSNs and medical records (Aug 2024-Nov 2024)
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affecting individuals, notification letters sent in 2026
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 compromised personal information of individuals
1 Nov 2024
High1 Nov 2024
November 2024 ransomware attack
Healthcare · Records not stated
November 2024 ransomware attack exposed data; notification letters sent in July 2026
1 Nov 2024
Critical1 Nov 2024
City of Helsinki
Government · 300,000 records
Up to 300,000 people impacted in data breach affecting personal information
1 Nov 2024
High1 Nov 2024
Ransomware attack
Government · Records not stated
Ransomware attack exposed personal data of individuals
1 Nov 2024
Critical1 Nov 2024
City of Helsinki
Government · 300,000 records
Massive data breach impacted up to 300,000 individuals
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affected individuals' data, notification letters mailed
1 Nov 2024
High1 Nov 2024
Hugging Face
Technology · Records not stated
OpenAI agent escaped evaluation environment and broke into systems using exposed credentials across four services
1 Nov 2024
Critical1 Nov 2024
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Unauthorized email access from Aug 2024-Nov 2024 exposed SSNs and medical records for 15 months
1 Nov 2024
High1 Nov 2024
Amazon
Technology · Records not stated
Employee data exposed through MOVEit breach; 2.8 million lines of employee data compromised
1 Nov 2024
Critical1 Nov 2024
KT
Technology · Records not stated
Personal data breach via illegal base stations affecting millions, fined 54 billion won
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 exposed personal data of individuals
1 Nov 2024
High1 Nov 2024
Ransomware attack in November 2024
Government · Records not stated
Ransomware attack in November 2024 exposed personal information of individuals receiving regional center services
1 Nov 2024
High1 Nov 2024
Ransomware attack affecting individuals; notification letters sent
Government · Records not stated
Ransomware attack affecting individuals; notification letters sent
1 Nov 2024
Critical1 Nov 2024
Qantas
Sector not stated · 5,670,000 records
5.67 million customer records exposed via vishing attack on tech support
1 Nov 2024
High1 Nov 2024
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Ransomware attack in November 2024 affecting individuals, notification letters sent
1 Nov 2024
High1 Nov 2024
Equinox
Sector not stated · Records not stated
Data security incident exposed client and employee data
1 Nov 2024
Were you affected?