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.
5,378
Disclosures in the tracker, all years
2,094
Of those, indexed in 2026
14
Added in November
25
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 4 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical1 Jun 2024
Fortinet
Technology · Records not stated
FortiBleed campaign exposed verified administrator credentials and VPN data for 73,000+ devices
1 Jun 2024
Critical1 Jun 2024
PEAR ransomware attack
Healthcare · 1,260,000 records
PEAR ransomware attack exposed 1.26 million patient records at healthcare billing and practice management company
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · 165,000,000 records
The disclosure as indexed does not name the organisation.
Vendor data compromised in Snowflake cyberattack against cloud storage provider
1 Jun 2024
Critical1 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 affecting education sector
1 Jun 2024
Critical1 Jun 2024
Snowflake (Multiple Customers)
Technology · 165,000,000 records
165+ customers breached through identity-based attacks; $2.7M extorted
1 Jun 2024
High1 Jun 2024
Data breach notifying 414,515 members of exposure
Education · Records not stated
Data breach notifying 414,515 members of exposure
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 member records including PII
Education · Records not stated
Data breach affecting 414,515 member records including PII
1 Jun 2024
Critical1 Jun 2024
LendingTree
Finance · Records not stated
Customer financial data compromised via Snowflake platform attack
1 Jun 2024
High1 Jun 2024
Advanced Auto Parts
Retail · Records not stated
Customer data exposed through Snowflake platform compromise
1 Jun 2024
High1 Jun 2024
414,515 members notified of data breach exposure
Education · Records not stated
414,515 members notified of data breach exposure
1 Jun 2024
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
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
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