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.

5,444
Disclosures in the tracker, all years
2,158
Of those, indexed in 2026
103
Added in November
26
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 12 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 10 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. United States11 Nov 2026Premise Health Holding CorpThe source does not say how they got in.HIPAA Journal
  2. United States11 Nov 2026Baker Tilly Advisory GroupHow they got in: a supplier or vendor that was compromised first.BleepingComputer
  3. United States10 Nov 2026Premier Business Solutions, LLCThe source does not say how they got in.Vermont Attorney General
  4. United States10 Nov 2026Sutherland Healthcare SolutionsThe source does not say how they got in.HIPAA Journal
  5. United States9 Nov 2026CirrusThe source does not say how they got in.Vermont Attorney General
  6. United States9 Nov 2026The Atlantic Federal Credit UnionThe source does not say how they got in.Vermont Attorney General
  7. United States9 Nov 2026Cornick, Garber & Sandler, LLPThe source does not say how they got in.California Attorney General
  8. United States9 Nov 2026Kalahari Management Co. LLCThe source does not say how they got in.California Attorney General
  9. United States9 Nov 2026The Community College of Beaver CountyThe source does not say how they got in.Vermont Attorney General
  10. United States9 Nov 2026Telecare HealthThe source does not say how they got in.California Attorney General
  11. United States6 Nov 2026Zelenkofske Alexrod, LLCThe source does not say how they got in.Vermont Attorney General
  12. United States6 Nov 2026Alma Realty CorporationThe source does not say how they got in.Vermont Attorney General
Critical1 Jun 2024
Ticketmaster
Retail · 560,000,000 records
Data breach part of sprawling 2024 cyberattack campaign; Canadian hacker pleaded guilty to attack
1 Jun 2024
High1 Jun 2024
Kirkland & Ellis
Legal · Records not stated
World's largest law firm by revenue affected by MOVEit data breach; sued in class action
1 Jun 2024
High1 Jun 2024
SingTel
Technology · Records not stated
China state-linked hacking group breached Singapore Telecommunications in June 2024 as part of global campaign
1 Jun 2024
High1 Jun 2024
Ernst & Young
Legal · Records not stated
Data breach exposed client personal and financial tax records through unauthorized access
1 Jun 2024
Critical1 Jun 2024
Organisation not named
Technology · 560,000,000 records
The disclosure as indexed does not name the organisation.
165 organizations including Ticketmaster breached via Snowflake; ShinyHunters accessed through Anodot compromised credentials
1 Jun 2024
Critical1 Jun 2024
Organisation not named
Technology · 165,000,000 records
The disclosure as indexed does not name the organisation.
Identity-based attacks via compromised Snowflake accounts; 165 customers affected; $2.7M extorted
1 Jun 2024
Critical1 Jun 2024
Snowflake Customers (UNC5537)
Technology · 165,000,000 records
165+ Snowflake customers breached by UNC5537; ongoing extortion campaign with $2.7M collected
1 Jun 2024
Critical1 Jun 2024
Ticketmaster
Technology · 560,000,000 records
Data breach tied to Snowflake hack affecting 165 companies in 2024 cyberattack campaign
1 Jun 2024
Critical1 Jun 2024
Snowflake customers (165 companies)
Technology · 165,000,000 records
165 organizations hacked via Snowflake accounts, billions of records stolen and extorted
1 Jun 2024
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
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