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.
5,269
Disclosures in the tracker, all years
1,983
Of those, indexed in 2026
29
Added in October
15
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 11 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
Critical8 Apr 2021
Receivables Performance Management
Finance · Records not stated
3.7M consumer debt records exposed
8 Apr 2021
Medium8 Apr 2021
8 Apr 2021
Critical4 Apr 2021
Facebook
Technology · 509,458,528 records
509,458,528 records exposed, Dates of birth, Email addresses, Employers, Genders and 4 more
4 Apr 2021
Critical3 Apr 2021
Facebook / Meta
Technology · 533,000,000 records
533M user records leaked including phone numbers
3 Apr 2021
High2 Apr 2021
Elekta
Healthcare · Records not stated
170+ healthcare providers affected by radiotherapy vendor breach
2 Apr 2021
Critical1 Apr 2021
LinkedIn
Technology · 3,500,000,000 records
500M user records leaked including names, emails, phone numbers, workplace info
1 Apr 2021
Medium1 Apr 2021
University of Massachusetts Amherst
Education · Records not stated
65K student records exposed
1 Apr 2021
Critical1 Apr 2021
Codecov
Technology · 29,000 records
CI/CD tool supply chain attack exposing secrets from 29K customer repositories
1 Apr 2021
Critical29 Mar 2021
MobiKwik (India)
Finance · 99,000,000 records
99M user records offered for sale, KYC data, Aadhaar cards, phone numbers
29 Mar 2021
High27 Mar 2021
Harris Federation (London Schools)
Education · Records not stated
50 primary and secondary schools hit by ransomware, student data stolen
27 Mar 2021
High23 Mar 2021
Carding Mafia (March 2021)
Finance · 297,744 records
297,744 records exposed, Email addresses, IP addresses, Passwords, Usernames
23 Mar 2021
High22 Mar 2021
22 Mar 2021
Medium21 Mar 2021
CNA Financial
Technology · Records not stated
75K employee and customer records exposed in Phoenix CryptoLocker ransomware
21 Mar 2021
High20 Mar 2021
Sierra Wireless
Sector not stated · Records not stated
Conti ransomware halted IoT manufacturer production
20 Mar 2021
Critical18 Mar 2021
Acer (Taiwan)
Technology · Records not stated
REvil demanded $50M ransom, financial documents and customer data stolen
18 Mar 2021
Medium18 Mar 2021
California State Controller
Government · Records not stated
9K employee records exposed in phishing
18 Mar 2021
Critical18 Mar 2021
ParkMobile
Technology · 21,000,000 records
21M customer records exposed in vulnerability exploitation
18 Mar 2021
Critical18 Mar 2021
18 Mar 2021
Medium15 Mar 2021
WeLeakInfo
Finance · 11,788 records
11,788 records exposed, Browser user agent details, Email addresses, Employers, IP addresses and 4 more
15 Mar 2021
Medium15 Mar 2021
Saudi Telecom Company (STC)
Technology · Records not stated
Employee credentials compromised in phishing campaign, customer records at risk
15 Mar 2021
Medium13 Mar 2021
13 Mar 2021
Medium13 Mar 2021
13 Mar 2021
Medium13 Mar 2021
13 Mar 2021
Medium13 Mar 2021
13 Mar 2021
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