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.
5,394
Disclosures in the tracker, all years
2,108
Of those, indexed in 2026
25
Added in November
36
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 4 Nov 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical6 Mar 2023
Organisation not named
Healthcare · Records not stated
The disclosure as indexed does not name the organisation.
Patient genomic data published after hospital refused EUR 4.5M ransom
6 Mar 2023
High6 Mar 2023
Ethiopian Government (EthioTelecom)
Technology · Records not stated
Telecom monopoly customer data leaked, affecting 67M subscriber base
6 Mar 2023
High6 Mar 2023
Cumbria Police
Government · Records not stated
Data of all 2,000 officers and staff accidentally published on website
6 Mar 2023
Medium6 Mar 2023
Organisation not named
Government · 56,000 records
The disclosure as indexed does not name the organisation.
56K records including Congressional staff health plan data leaked
6 Mar 2023
Critical6 Mar 2023
8.9M patient records exposed in LockBit ransomware attack
Healthcare · 8,900,000 records
8.9M patient records exposed in LockBit ransomware attack
6 Mar 2023
Medium5 Mar 2023
LBB
Retail · 39,288 records
39,288 records exposed, Browser user agent details, Email addresses, IP addresses, Names and 1 more
5 Mar 2023
Critical5 Mar 2023
Hospital Clinic de Barcelona
Healthcare · Records not stated
RansomHouse stole 4.5TB of patient data from major Barcelona hospital
5 Mar 2023
High5 Mar 2023
5 Mar 2023
High4 Mar 2023
OPG (Ontario Power Generation)
Sector not stated · Records not stated
Cyberattack targeted nuclear operator's corporate systems
4 Mar 2023
High4 Mar 2023
4 Mar 2023
Medium3 Mar 2023
WH Smiths Travel Division
Retail · Records not stated
Employee data stolen in targeted attack on travel retail arm
3 Mar 2023
High2 Mar 2023
GunAuction.com
Finance · 565,470 records
565,470 records exposed, Browser user agent details, Email addresses, Genders, IP addresses and 6 more
2 Mar 2023
High2 Mar 2023
Sun Pharma (India)
Healthcare · Records not stated
ALPHV/BlackCat ransomware disrupted operations at India's largest pharma company
2 Mar 2023
Medium2 Mar 2023
WHSmith (UK)
Retail · Records not stated
Cyberattack compromised current and former employee personal data
2 Mar 2023
Critical2 Mar 2023
BetterHelp
Healthcare · 7,000,000 records
7M user mental health records shared with advertisers
2 Mar 2023
High2 Mar 2023
MultiCare Health System
Healthcare · 170,000 records
170K patient records exposed in vendor breach
2 Mar 2023
High1 Mar 2023
Flutterwave (Nigeria)
Finance · Records not stated
Fintech unicorn breach, 63M GBP reportedly siphoned through compromised accounts
1 Mar 2023
Medium1 Mar 2023
1 Mar 2023
Critical1 Mar 2023
Cerebral
Healthcare · 3,200,000 records
3.2M patient records shared with third-party advertisers
1 Mar 2023
Medium1 Mar 2023
Denver Public Schools
Education · Records not stated
36K student and employee records exposed in data breach
1 Mar 2023
High28 Feb 2023
Orrick Herrington & Sutcliffe
Legal · 637,000 records
637K client records exposed in data breach
28 Feb 2023
Medium26 Feb 2023
Convex
Government · 150,129 records
150,129 records exposed, Email addresses, IP addresses, Names, Phone numbers
26 Feb 2023
High26 Feb 2023
HomePoint Capital
Finance · Records not stated
830K mortgage customer records exposed in bankruptcy filing breach
26 Feb 2023
High23 Feb 2023
DISH Network
Sector not stated · Records not stated
300K employee records exposed in Black Basta ransomware
23 Feb 2023
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