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.
5,405
Disclosures in the tracker, all years
2,119
Of those, indexed in 2026
42
Added in November
43
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 6 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.
77 incidents from 9 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.
- United States5 Nov 2026Xplicit Audio LLCThe source does not say how they got in.Vermont Attorney General
- United States5 Nov 2026Killingly Public Schools (KPS)The source does not say how they got in.Vermont Attorney General
- United States4 Nov 2026DreamHostHow they got in: a known flaw in software the victim ran.BleepingComputer
- United States4 Nov 2026The Town of LincolnThe source does not say how they got in.Vermont Attorney General
- United States4 Nov 2026Vanguard Group, Inc.The source does not say how they got in.Vermont Attorney General
- United States4 Nov 2026Byker & Associates, Inc.The source does not say how they got in.Vermont Attorney General
- United States4 Nov 2026RevSpring, Inc.The source does not say how they got in.California Attorney General
- United States4 Nov 2026Hoag Memorial Hospital PresbyterianThe source does not say how they got in.California Attorney General
- United States4 Nov 2026New Century Ophthamology P.C.The source does not say how they got in.Vermont Attorney General
- United States4 Nov 2026Alation Inc.The source does not say how they got in.Vermont Attorney General
- United States3 Nov 2026WorkOSThe source does not say how they got in.BleepingComputer (via SecOpsNews feed)
- United States3 Nov 2026Cognitive Health Technologies (New York)The source does not say how they got in.HIPAA Journal
High1 Feb 2024
Advania
Technology · Records not stated
Swedish cloud provider breach affecting at least 60 customers, including healthcare services
1 Feb 2024
High1 Feb 2024
Walmart Spark
Retail · Records not stated
Crowdsourcing delivery service breached, sensitive driver data accessed
1 Feb 2024
High1 Feb 2024
Walmart (Spark Driver)
Retail · Records not stated
Malicious actors accessed sensitive data of Spark Driver delivery service drivers
1 Feb 2024
Critical1 Feb 2024
McLaren Health Care
Healthcare · Records not stated
Two ransomware breaches in 2023-2024 affected 3.2M+ victims; settled class-action for $14M
1 Feb 2024
Critical1 Feb 2024
TriZetto
Healthcare · 3,400,000 records
3.4 million people's health and personal data stolen in 2024 cyberattack affecting health insurance tech provider
1 Feb 2024
High1 Feb 2024
Walmart Spark Driver
Retail · Records not stated
Cyberattack accessed sensitive data of delivery drivers through Spark Driver portal
1 Feb 2024
High1 Feb 2024
Walmart
Retail · Records not stated
Spark Driver portal breached, sensitive data of delivery drivers accessed
1 Feb 2024
Critical1 Feb 2024
Change Healthcare
Healthcare · 100,000,000 records
Ransomware attack in Feb 2024 exposed data from up to 100 million people
1 Feb 2024
Critical1 Feb 2024
Viamedis / Almerys (France)
Healthcare · Records not stated
33M health insurance records stolen from two major French third-party payment providers
1 Feb 2024
Medium1 Feb 2024
Ernest Health
Healthcare · 94,000 records
94K patient records exposed in ransomware across 30 hospitals
1 Feb 2024
High31 Jan 2024
Lurie Children's Hospital
Healthcare · Records not stated
790K pediatric patient records stolen in Rhysida ransomware
31 Jan 2024
Critical29 Jan 2024
Fulton County GA
Government · Records not stated
LockBit ransomware disrupted county courts and government
29 Jan 2024
High27 Jan 2024
MyPertamina
Technology · 5,970,416 records
5,970,416 records exposed, Dates of birth, Email addresses, Genders, Names and 3 more
27 Jan 2024
High24 Jan 2024
Ambulance Victoria
Healthcare · Records not stated
30,000+ employee records stolen by Agenda ransomware group
24 Jan 2024
Critical22 Jan 2024
Trello
Technology · 15,111,945 records
15,111,945 records exposed, Email addresses, Names, Usernames
22 Jan 2024
Medium22 Jan 2024
Affinity Credit Union (Saskatchewan)
Finance · Records not stated
Member data compromised in cyberattack on Saskatchewan credit union
22 Jan 2024
Medium22 Jan 2024
22 Jan 2024
High22 Jan 2024
EquiLend Holdings
Finance · Records not stated
LockBit ransomware disrupted securities lending platform
22 Jan 2024
High21 Jan 2024
Subway
Technology · Records not stated
LockBit ransomware stole financial data from sandwich chain
21 Jan 2024
Critical20 Jan 2024
Tietoevry (Finland/Sweden)
Technology · Records not stated
Akira ransomware disrupted Tietoevry cloud hosting, Swedish universities and firms hit
20 Jan 2024
Medium20 Jan 2024
20 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
High19 Jan 2024
Russian Midnight Blizzard accessed email and SharePoint
Technology · Records not stated
Russian Midnight Blizzard accessed email and SharePoint
19 Jan 2024
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