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.
5,377
Disclosures in the tracker, all years
2,093
Of those, indexed in 2026
13
Added in November
27
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.
High1 Jun 2024
Kadokawa Corporation/Niconico
Technology · Records not stated
Sophisticated cyberattack on publisher and video site subsidiary compromised employee personal information
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation and Niconico
Technology · Records not stated
Sophisticated ransomware cyberattack affecting subsidiary video platform, employee personal information compromised
1 Jun 2024
High1 Jun 2024
Neiman Marcus
Retail · 64,000 records
64,000 people affected; hacker announced sale of stolen customer data
1 Jun 2024
Critical1 Jun 2024
Snowflake (165+ customers)
Technology · 165,000,000 records
165+ organizations including Ticketmaster, Rockstar Games affected by identity-based attacks on Snowflake customers
1 Jun 2024
Critical1 Jun 2024
Singapore Telecommunications (SingTel)
Technology · Records not stated
Breached by China state-linked hacking group in June as part of global campaign
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation/Niconico
Technology · Records not stated
Ransomware breach; personal information of all employees exposed via Niconico video subsidiary
1 Jun 2024
High1 Jun 2024
Mizuno
Retail · Records not stated
Data breach confirmed after 2024 ransomware attack; customer data exposed
1 Jun 2024
High1 Jun 2024
Neiman Marcus
Retail · 64,000 records
64,000 customers impacted; hacker announced sale of stolen customer data
1 Jun 2024
High1 Jun 2024
SingTel
Technology · Records not stated
China state-linked group breached Singapore Telecommunications as part of global campaign targeting multiple organizations
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation and Niconico
Technology · Records not stated
Ransomware cyberattack affecting subsidiary Niconico
1 Jun 2024
High1 Jun 2024
SingTel
Technology · Records not stated
Singapore Telecommunications breached by China state-linked hacking group
1 Jun 2024
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
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