Disclosure tracker › Disclosures in 2024
Intelligence · Disclosure tracker
Disclosures in 2024
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.
5,272
Disclosures in the tracker, all years
1,986
Of those, indexed in 2026
34
Added in October
11
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 13 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
2,541 results · Disclosures in 2024. Clear filters
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
High1 Jun 2024
SingTel
Technology · Records not stated
China state-sponsored hacking group breached Singapore Telecommunications in June 2024 as part of global campaign
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation and Niconico
Technology · Records not stated
June 2024 ransomware breach by Russian-linked hacker group affecting Japanese media subsidiary
1 Jun 2024
Medium1 Jun 2024
Cleveland Clinic
Sector not stated · 23,000 records
23K patient records exposed in vendor breach
1 Jun 2024
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