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.
5,475
Disclosures in the tracker, all years
2,009
Of those, indexed in 2026
58
Added in October
14
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 19 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.
65 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.
- Australia19 Oct 2026Poole GroupThe source does not say how they got in.Accountants Daily
- Australia16 Oct 2026Chadwick SwitchboardsThe source does not say how they got in.Cyber Daily
Critical7 Oct 2026
Angel One
Finance · 6,765,054 records
6,765,054 records exposed, Bank account numbers, Dates of birth, Email addresses, Financial investments and 4 more
7 Oct 2026
Medium6 Oct 2026
ASOS
Technology · Records not stated
UK fashion retailer ASOS confirmed a data breach Tuesday after hackers sent unauthorized push notifications through its mobile app while claiming to have stolen customer data from the company's Snowflake environment.
6 Oct 2026
Medium5 Oct 2026
Ukraine grocery chain ATB
Retail · Records not stated
Ukraine’s largest grocery store chain, ATB, confirmed that it was hit by a cyberattack after hackers posted an extortion demand on its website.
5 Oct 2026
Medium5 Oct 2026
Japanese media group Nikkei
Sector not stated · Records not stated
The Japanese media giant Nikkei disclosed a cyber incident involving an employee email account that may have compromised journalistic sources.
5 Oct 2026
Medium5 Oct 2026
Daiwa Securities
Sector not stated · 110,000 records
Takashi Nakamichi and Ryo Horiuchi report that Daiwa Securities, Japan’s second-largest brokerage and investment banking firm, is responding to a breach at one of its vendors. Daiwa Securities Group said…
5 Oct 2026
Medium5 Oct 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Known as Rey, the suspect is reportedly helping the FBI identify and locate other members of the extortion group.
The post Alleged ShinyHunters Leader Arrested in Jordan appeared first on SecurityWeek.
5 Oct 2026
Medium3 Oct 2026
Danish university DTU breach
Education · 200,000 records
The Technical University of Denmark (DTU) says information belonging to up to 200,000 users may have been exposed after hackers accessed its identity and access management system and downloaded a large amount of data. [.
3 Oct 2026
Medium2 Oct 2026
Frontline Education breach
Education · Records not stated
Frontline Education is notifying school districts of a data breach after attackers exploited a vulnerability in third-party software to gain unauthorized access to its systems and steal employee information, including…
2 Oct 2026
High1 Oct 2026
Pattison Food Group (Save-On-Foods)
Retail · Records not stated
Confirmed customer personal information stored in the More Rewards loyalty database was exposed.
1 Oct 2026
High1 Oct 2026
Meta
Technology · 1,500 records
Hackers stole source code and employee personal data (about 1,500 people) after breaching Meta GitHub repositories using stolen credentials.
1 Oct 2026
High1 Oct 2026
Zizzl LLC
Sector not stated · Records not stated
Data breach exposed Social Security Numbers of 519 people
1 Oct 2026
Critical1 Oct 2026
Napoleon Perdis
Retail · 339,055 records
339,055 customer records exposed via vendor Retail Express
1 Oct 2026
High1 Oct 2026
Meta
Technology · Records not stated
Hackers stole source code and personal data of 1,500 employees via GitHub repositories using stolen credentials
1 Oct 2026
Critical1 Oct 2026
Educational Testing Service (ETS)
Education · Records not stated
Over 5.7 million California student records breached, including records dating back to 2006
1 Oct 2026
High1 Oct 2026
University of Illinois Chicago
Education · Records not stated
Ransomware attack on College of Medicine resulted in theft of personal information
1 Oct 2026
High1 Oct 2026
ASOS
Retail · Records not stated
Retailer data breach exposed more personal details than initially disclosed; BBC contacted by hackers
1 Oct 2026
Critical1 Oct 2026
BCHP and XTIUM
Healthcare · Records not stated
Medical data breach exposed SSNs of 62,871 CT and 825,000 NY residents; $2.7M settlement
1 Oct 2026
High1 Oct 2026
Data breach
Sector not stated · 400,000 records
Data breach exposed approximately 400,000 customer utility accounts
1 Oct 2026
Critical1 Oct 2026
Danish Government
Government · Records not stated
8 million citizens' records stolen from central database
1 Oct 2026
Medium1 Oct 2026
University of Illinois Chicago
Education · Records not stated
Ransomware attack on College of Medicine resulted in theft of some information
1 Oct 2026
High1 Oct 2026
FBI contractor (third-party platform)
Government · Records not stated
Security failure on third-party platform due to unapplied security patch led to data breach affecting thousands of employees
1 Oct 2026
High1 Oct 2026
ASOS
Retail · Records not stated
Hackers compromised third-party communication platform; breach exposed more personal details than initially reported including contact information
1 Oct 2026
Medium1 Oct 2026
Publica
Finance · Records not stated
Data leak after cyberattack hit external software supplier to Swiss pension fund
1 Oct 2026
High1 Oct 2026
Morgan Services
Sector not stated · Records not stated
Social Security numbers and names exposed in data breach
1 Oct 2026
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