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.
5,407
Disclosures in the tracker, all years
2,121
Of those, indexed in 2026
47
Added in November
47
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 7 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 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.
- Japan29 Oct 2026Japan AirlinesHow they got in: a supplier or vendor that was compromised first.BleepingComputer
- Japan29 Oct 2026Sony Network Communications (So-net / Plala ISP)The source does not say how they got in.SecurityWeek
Critical5 Apr 2023
Genesis Market
Finance · 8,000,000 records
8,000,000 records exposed, Browser user agent details, Credit card CVV, Credit cards, Dates of birth and 6 more
5 Apr 2023
Medium5 Apr 2023
Sunnybrook Hospital (Toronto)
Healthcare · Records not stated
Research data exposed via third-party vendor
5 Apr 2023
Critical5 Apr 2023
MSI / Micro-Star (Taiwan)
Technology · Records not stated
Money Message ransomware stole 1.5TB, firmware signing keys published
5 Apr 2023
High5 Apr 2023
5 Apr 2023
Medium5 Apr 2023
5 Apr 2023
Critical5 Apr 2023
Apria Healthcare
Healthcare · 1,870,000 records
1.87M patient records exposed in unauthorized access over 2 years
5 Apr 2023
Medium4 Apr 2023
City of Westmount (Quebec)
Government · Records not stated
LockBit attacked Montreal suburb, municipal services and resident data exposed
4 Apr 2023
High4 Apr 2023
KNVB (Dutch Football Association)
Sector not stated · Records not stated
LockBit stole 305GB, employee and member data published on dark web
4 Apr 2023
Medium3 Apr 2023
3 Apr 2023
Medium2 Apr 2023
2 Apr 2023
Critical1 Apr 2023
WebTPA Employer Services
Healthcare · 2,400,000 records
Medical claims administrator hacked in April 2023, 2.4 million individuals notified of exposure
1 Apr 2023
High1 Apr 2023
Organisation not named
Technology · Records not stated
The disclosure as indexed does not name the organisation.
Data incident reported on hosting solutions provider affecting clients
1 Apr 2023
High1 Apr 2023
Data breach incident reported; hosting solutions provider compromised
Technology · Records not stated
Data breach incident reported; hosting solutions provider compromised
1 Apr 2023
Medium1 Apr 2023
TorchByte
Technology · Records not stated
Data breach alleged at hosting solutions provider (formerly Tic Hosting Solutions)
1 Apr 2023
Medium1 Apr 2023
1 Apr 2023
Medium1 Apr 2023
1 Apr 2023
High31 Mar 2023
Sundry Files
Retail · 274,461 records
274,461 records exposed, Email addresses, IP addresses, Passwords, Usernames
31 Mar 2023
High31 Mar 2023
Leaked Reality
Retail · 114,907 records
114,907 records exposed, Email addresses, IP addresses, Passwords, Usernames
31 Mar 2023
Critical31 Mar 2023
Capita PLC Breach
Technology · Records not stated
90TB of data stolen, pensions, NHS data, MOD records compromised by Black Basta
31 Mar 2023
Critical29 Mar 2023
3CX
Technology · Records not stated
Desktop VoIP app supply chain attack linked to North Korean Lazarus Group
29 Mar 2023
Medium27 Mar 2023
CommScope
Sector not stated · Records not stated
53K employee records exposed in Vice Society ransomware
27 Mar 2023
Critical26 Mar 2023
Western Digital
Technology · Records not stated
10TB of internal data stolen in BlackCat ransomware
26 Mar 2023
High24 Mar 2023
TheGradCafe
Education · 310,975 records
310,975 records exposed, Email addresses, Genders, Geographic locations, IP addresses and 5 more
24 Mar 2023
Medium23 Mar 2023
23 Mar 2023
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