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
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
High1 Jun 2024
Data breach notifying 414,515 members of exposed information
Education · Records not stated
Data breach notifying 414,515 members of exposed information
1 Jun 2024
Critical1 Jun 2024
Rockstar Games
Technology · Records not stated
Breached through Anodot's Snowflake access by ShinyHunters; data theft related to GTA VI
1 Jun 2024
Critical1 Jun 2024
Snowflake (165+ customer organizations)
Technology · 165,000,000 records
Hacker stole data from 165+ Snowflake customers including Rockstar Games, Anodot. Billions of records exposed through compromised credentials.
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 exposing personal and professional information
1 Jun 2024
High1 Jun 2024
Breach affecting 414,515 members' personal data
Education · Records not stated
Breach affecting 414,515 members' personal data
1 Jun 2024
High1 Jun 2024
Cleveland City Hall
Government · Records not stated
Ransomware attack forced closure of City Hall; systems taken offline but specific data exposure not detailed
1 Jun 2024
High1 Jun 2024
Data breach affecting 414,515 members' personal information
Education · Records not stated
Data breach affecting 414,515 members' personal information
1 Jun 2024
Critical1 Jun 2024
Data breach affecting 414,515 members including personal information
Education · Records not stated
Data breach affecting 414,515 members including personal information
1 Jun 2024
High1 Jun 2024
Organisation not named
Education · Records not stated
The disclosure as indexed does not name the organisation.
Data breach affecting 414,515 educator members including personal information
1 Jun 2024
Critical1 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
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