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Technology disclosures
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.
5,574
Disclosures in the tracker, all years
2,089
Of those, indexed in 2026
8
Added in November
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 3 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
4,087 results · Technology disclosures. Clear filters
Critical1 Jun 2024
Snowflake (165 customers)
Technology · 165,000,000 records
165 organizations breached via compromised Snowflake credentials; UNC5537 extorted $2.7M
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
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
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
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
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
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
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
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
Critical28 May 2024
Ticketmaster (data sale)
Technology · 560,000,000 records
560M records put up for sale on dark web for $500K
28 May 2024
High25 May 2024
pcTattletale
Technology · 138,751 records
138,751 records exposed, Device information, Email addresses, IP addresses, Names and 5 more
25 May 2024
Critical23 May 2024
23 May 2024
High20 May 2024
Los Angeles County Health (Snowflake)
Technology · Records not stated
200K patient records exposed via Snowflake breach
20 May 2024
Critical20 May 2024
190M customer records exposed
Technology · 190,000,000 records
190M customer records exposed
20 May 2024
High20 May 2024
200K patient records exposed via Snowflake breach
Technology · 165,000,000 records
200K patient records exposed via Snowflake breach
20 May 2024
Critical20 May 2024
190M customer records exposed
Technology · 190,000,000 records
190M customer records exposed
20 May 2024
High20 May 2024
200K patient records exposed via Snowflake breach
Technology · 165,000,000 records
200K patient records exposed via Snowflake breach
20 May 2024
Critical20 May 2024
190M customer records exposed
Technology · 190,000,000 records
190M customer records exposed
20 May 2024
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