Weekly briefing No. 42 published 30 Oct 2026
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.

5,370
Disclosures in the tracker, all years
2,084
Of those, indexed in 2026
147
Added in October
22
Added in the last 7 days
7
Sectors covered

Source: LeakTrace disclosure tracker, 31 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.

77 incidents from 11 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.

  1. Denmark27 Oct 2026ENGIEThe source does not say how they got in.BleepingComputer
Critical1 Jun 2024
Organisation not named
Technology · 165,000,000 records
The disclosure as indexed does not name the organisation.
Identity-based attacks exploited Snowflake customer accounts; billions of records stolen across 165+ organizations
1 Jun 2024
High1 Jun 2024
Kadokawa Corporation/Niconico
Technology · Records not stated
Ransomware cyberattack exposed personal information of all subsidiary employees
1 Jun 2024
Critical1 Jun 2024
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Hacker breached 165+ companies stealing billions of records; Canadian hacker Connor Moucka pleaded guilty
1 Jun 2024
High1 Jun 2024
Singapore Telecommunications (SingTel)
Technology · Records not stated
Breached by China state-sponsored hacking group in June 2024 as part of global campaign
1 Jun 2024
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
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