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.
5,378
Disclosures in the tracker, all years
2,094
Of those, indexed in 2026
14
Added in November
25
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.
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
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
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
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
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
High6 Mar 2023
iD Tech
Technology · 415,121 records
415,121 records exposed, Dates of birth, Email addresses, Names, Passwords
6 Mar 2023
Critical6 Mar 2023
Eye4Fraud
Finance · 16,000,591 records
16,000,591 records exposed, Email addresses, IP addresses, Names, Partial credit card data and 3 more
6 Mar 2023
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
Were you affected?