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
High1 Jun 2024
Kadokawa Corporation & Niconico
Technology · Records not stated
June 2024 ransomware breach by Russian-linked hacker group affecting publishing and video platform subsidiary
1 Jun 2024
Critical1 Jun 2024
Multiple Snowflake Customers
Technology · 165,000,000 records
165 customer organizations breached via Snowflake platform compromise by UNC5537; includes Advanced Auto Parts, LendingTree
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 members
Education · Records not stated
Data breach affecting 414,515 members
1 Jun 2024
High1 Jun 2024
414,515 member records exposed in data breach
Education · Records not stated
414,515 member records exposed in data breach
1 Jun 2024
Critical1 Jun 2024
414,515 members' data exposed in breach
Education · Records not stated
414,515 members' data exposed in breach
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation
Technology · Records not stated
June 2024 ransomware attack by Russian-linked hacker group affected Kadokawa and subsidiary Niconico
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 members exposed personal information
Education · Records not stated
Data breach affecting 414,515 members exposed personal information
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation/Niconico
Technology · Records not stated
Ransomware breach by Russian-linked hacker group affecting Japanese media and video platform subsidiary
1 Jun 2024
Critical1 Jun 2024
Snowflake
Technology · 165,000,000 records
165 customers' data exposed by UNC5537 cybercrime operation, $2.7M extorted
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation / Niconico
Technology · Records not stated
June 2024 ransomware breach by Russian-linked hacker group affecting Japanese media and entertainment subsidiary
1 Jun 2024
Critical1 Jun 2024
Snowflake customers (multiple)
Technology · 165,000,000 records
165 organizations compromised through identity-based attacks on Snowflake platform
1 Jun 2024
High1 Jun 2024
Data breach
Education · Records not stated
Data breach notified 414,515 members of exposed data
1 Jun 2024
Critical1 Jun 2024
Singapore Telecommunications (SingTel)
Technology · Records not stated
Breached by China state-linked hacking group in June 2024 as part of global campaign
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 members notified
Education · Records not stated
Data breach affecting 414,515 members notified
1 Jun 2024
Critical1 Jun 2024
Snowflake Customers (Multiple)
Technology · 165,000,000 records
Identity-based attacks targeting 165+ Snowflake customers through compromised credentials; UNC5537 extortion campaign with $2.7M extracted.
1 Jun 2024
Critical1 Jun 2024
SingTel (Singapore Telecommunications)
Technology · Records not stated
China state-linked hacking group breached network as part of global campaign
1 Jun 2024
High1 Jun 2024
414,515 members notified of data breach
Education · Records not stated
414,515 members notified of data breach
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
Apple
Technology · Records not stated
Internal source code of Apple tools allegedly obtained by threat actor IntelBroker
1 Jun 2024
Critical1 Jun 2024
Ticketmaster
Retail · 560,000,000 records
Customer data breach via Snowflake cloud storage compromise
1 Jun 2024
Critical1 Jun 2024
Snowflake customers (165 organizations)
Technology · 165,000,000 records
165 Snowflake customers breached in identity-based attacks with $2.7M extorted
1 Jun 2024
High1 Jun 2024
414,515 members' data breached
Education · Records not stated
414,515 members' data breached
1 Jun 2024
High1 Jun 2024
Heineken
Sector not stated · Records not stated
Data of 8000+ employees exposed and sold on hacker forum
1 Jun 2024
High1 Jun 2024
Kirkland & Ellis
Legal · Records not stated
Law firm data exposed through MOVEit vulnerability; subject of class action lawsuit
1 Jun 2024
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