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.
5,366
Disclosures in the tracker, all years
2,082
Of those, indexed in 2026
146
Added in October
23
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 30 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High1 Jun 2024
Data breach notification for 414,515 members
Education · Records not stated
Data breach notification for 414,515 members
1 Jun 2024
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
Were you affected?