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.

5,367
Disclosures in the tracker, all years
2,083
Of those, indexed in 2026
147
Added in October
22
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 31 Oct 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. Denmark27 Oct 2026ENGIEThe source does not say how they got in.BleepingComputer
Critical1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Data breach notifying 414,515 members of compromised personal data
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
414,515 members notified of data breach with personal information exposed
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Data breach notification sent to 414,515 members with personal information exposed
1 Jun 2024
Critical1 Jun 2024
Data breach affecting 414,515 members; PII exposed
Education · Records not stated
Data breach affecting 414,515 members; PII exposed
1 Jun 2024
High1 Jun 2024
Data breach notifying 414,515 members of exposed information
Education · Records not stated
Data breach notifying 414,515 members of exposed information
1 Jun 2024
Critical1 Jun 2024
Rockstar Games
Technology · Records not stated
Breached through Anodot's Snowflake access by ShinyHunters; data theft related to GTA VI
1 Jun 2024
Critical1 Jun 2024
Snowflake (165+ customer organizations)
Technology · 165,000,000 records
Hacker stole data from 165+ Snowflake customers including Rockstar Games, Anodot. Billions of records exposed through compromised credentials.
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
414,515 members notified of data breach exposing personal and professional information
1 Jun 2024
High1 Jun 2024
Breach affecting 414,515 members' personal data
Education · Records not stated
Breach affecting 414,515 members' personal data
1 Jun 2024
High1 Jun 2024
Cleveland City Hall
Government · Records not stated
Ransomware attack forced closure of City Hall; systems taken offline but specific data exposure not detailed
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 members' personal information
Education · Records not stated
Data breach affecting 414,515 members' personal information
1 Jun 2024
Critical1 Jun 2024
Data breach affecting 414,515 members including personal information
Education · Records not stated
Data breach affecting 414,515 members including personal information
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Data breach affecting 414,515 educator members including personal information
1 Jun 2024
Critical1 Jun 2024
Data breach affecting 414,515 members' personal information exposed
Education · Records not stated
Data breach affecting 414,515 members' personal information exposed
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 members, personal information exposed
Education · Records not stated
Data breach affecting 414,515 members, personal information exposed
1 Jun 2024
Critical1 Jun 2024
Snowflake (165 customers affected)
Technology · 165,000,000 records
165 organizations' data breached through Snowflake platform via identity-based attacks; UNC5537 cybercrime operation extracted data from multiple customers
1 Jun 2024
High1 Jun 2024
Partnered Health Clinics (Australia)
Healthcare · Records not stated
Cyber-attack exposed Medicare numbers, treatment details, and pathology results
1 Jun 2024
Critical1 Jun 2024
Department for Education
Education · Records not stated
Cyberattack exposed approximately 607,000 education records
1 Jun 2024
Critical1 Jun 2024
Snowflake (165 customer organizations)
Technology · 165,000,000 records
Identity-based attacks targeting Snowflake customers; 165 organizations breached including Rockstar Games, AT&T, Advanced Auto Parts, LendingTree; extortion totaling $2.7M
1 Jun 2024
High1 Jun 2024
Data breach notification sent to 414,515 members
Education · Records not stated
Data breach notification sent to 414,515 members
1 Jun 2024
High1 Jun 2024
Data breach notifying 414,515 members of exposed data
Education · Records not stated
Data breach notifying 414,515 members of exposed data
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Data breach notifying 414,515 members of exposed personal information
1 Jun 2024
High1 Jun 2024
City of Cleveland
Government · Records not stated
Ransomware attack forced City Hall closure; unnamed systems taken offline
1 Jun 2024
High1 Jun 2024
Dubai Municipality
Government · Records not stated
Breach claimed by Daixin Team threat actor
1 Jun 2024
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