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 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
Snowflake (165 customers affected)
Technology · 165,000,000 records
165 organizations' data breached through Snowflake platform via identity-based attacks; UNC5537 cybercrime operation extracted data from multiple customers
1 Jun 2024
High1 Jun 2024
Partnered Health Clinics (Australia)
Healthcare · Records not stated
Cyber-attack exposed Medicare numbers, treatment details, and pathology results
1 Jun 2024
Critical1 Jun 2024
Department for Education
Education · Records not stated
Cyberattack exposed approximately 607,000 education records
1 Jun 2024
Critical1 Jun 2024
Snowflake (165 customer organizations)
Technology · 165,000,000 records
Identity-based attacks targeting Snowflake customers; 165 organizations breached including Rockstar Games, AT&T, Advanced Auto Parts, LendingTree; extortion totaling $2.7M
1 Jun 2024
High1 Jun 2024
Data breach notification sent to 414,515 members
Education · Records not stated
Data breach notification sent to 414,515 members
1 Jun 2024
High1 Jun 2024
Data breach notifying 414,515 members of exposed data
Education · Records not stated
Data breach notifying 414,515 members of exposed data
1 Jun 2024
High1 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 exposed personal information
1 Jun 2024
High1 Jun 2024
City of Cleveland
Government · Records not stated
Ransomware attack forced City Hall closure; unnamed systems taken offline
1 Jun 2024
High1 Jun 2024
Dubai Municipality
Government · Records not stated
Breach claimed by Daixin Team threat actor
1 Jun 2024
High1 Jun 2024
Breach
Education · Records not stated
Breach notified 414,515 members of data exposure
1 Jun 2024
Critical1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Data breach exposing 414,515 member records with personal information
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 affecting school district
1 Jun 2024
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
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