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.
Worldwide · How they got in
Incidents worldwide, by country.
78 incidents from 12 countries in the last 90 days, each from a public source and reviewed before it is shown. Where the source says how the attackers got in, the row says so.
- Canada29 Oct 2026McCarthy Tétrault (with Davies also reporting a breach)The source does not say how they got in.The Globe and Mail
- Canada23 Oct 2026Crime Stoppers programs in OntarioHow they got in: a supplier or vendor that was compromised first.Global News
- Canada22 Oct 2026Toronto Crime StoppersHow they got in: a supplier or vendor that was compromised first.Global News
- Canada21 Oct 2026Canadian Crime Stoppers AssociationHow they got in: a supplier or vendor that was compromised first.CBC News
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
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
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