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.
5,574
Disclosures in the tracker, all years
2,089
Of those, indexed in 2026
8
Added in November
22
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 3 Nov 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.
- Taiwan3 Nov 2026Synology NAS device owners (worldwide)The source does not say how they got in.The Hacker News
Medium7 Oct 2026
Double Counter
Finance · 274,922 records
274,922 records exposed, Email addresses, Geographic locations, Names, Usernames
7 Oct 2026
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
iRhythm
Healthcare · 360,000 records
Biosensor and medical device maker reported that data of at least 360,000 people was impacted in a breach.
1 Oct 2026
Critical1 Oct 2026
Quest Diagnostics
Healthcare · Records not stated
Confirmed that patients' personal and health data was compromised in a breach; part of a series of recent healthcare technology hacks.
1 Oct 2026
Critical1 Oct 2026
Quest Diagnostics
Healthcare · Records not stated
Confirmed cyberattack compromised patients' personal and health data; total number of affected individuals not yet specified.
1 Oct 2026
High1 Oct 2026
U.S. Department of Defense
Government · Records not stated
Class action lawsuit filed over a long-running data breach that exposed personal information of individuals.
1 Oct 2026
High1 Oct 2026
Labcorp
Healthcare · Records not stated
Labcorp agreed to a $2.3M settlement with 44 state attorneys general over a data breach involving a debt collector.
1 Oct 2026
High1 Oct 2026
Crime Stoppers
Sector not stated · Records not stated
Canadian Crime Stoppers data hack, revealed by a CBC investigation and described by experts as potentially one of the most harmful data breaches in Canada.
1 Oct 2026
Medium1 Oct 2026
Organisation not named
Government · Records not stated
The disclosure as indexed does not name the organisation.
Confirmed ransomware attack disrupted city programs and online services for about a week; data impact not specified.
1 Oct 2026
High1 Oct 2026
Coinbase (via Amplitude vendor)
Finance · 70,000 records
Security incident at analytics vendor Amplitude affected about 70,000 users; Coinbase says its systems and customer funds were not compromised.
1 Oct 2026
Critical1 Oct 2026
Data breach
Government · Records not stated
Data breach exposed personal data of more than 3 million military personnel and their families; notifications being sent.
1 Oct 2026
Critical1 Oct 2026
Canadian Crime Stoppers programs
Government · Records not stated
Over 1.5 million Canadian Crime Stoppers tips were compromised in a massive breach; federal privacy commissioner opened an investigation.
1 Oct 2026
High1 Oct 2026
ASOS
Retail · Records not stated
Attacker impersonated a trusted contact to access an employee account and reached a third-party communication platform, exposing customer names and contact details. Scope wider than first reported.
1 Oct 2026
Critical1 Oct 2026
Nikkei Inc.
Sector not stated · Records not stated
Third data breach in about a month; cloud credential compromise exposed 1.83 million personal information records.
1 Oct 2026
High1 Oct 2026
State Bank of India
Finance · Records not stated
Recent data breach affecting customers; SBI said it individually notified all affected customers (Oct 23, 2026 statement).
1 Oct 2026
Critical1 Oct 2026
Breach of DMDC information system
Government · 3,000,000 records
Breach of DMDC information system exposed personal data of more than 3 million people; two Marines filed a lawsuit.
1 Oct 2026
Critical1 Oct 2026
Educational Testing Service (ETS)
Education · Records not stated
Breach of student records; proposed class action alleges failure to safeguard sensitive records of 7 million current and former California students.
1 Oct 2026
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