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.
5,447
Disclosures in the tracker, all years
2,033
Of those, indexed in 2026
86
Added in October
20
Added in the last 7 days
7
Sectors covered
Source: LeakTrace disclosure tracker, 22 Oct 2026. Counts of records in the index, not estimates. Software advisories and security news are not counted.
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
Critical21 Jul 2020
Promo.com (Slidely)
Technology · 22,000,000 records
22M user records exposed in database breach
21 Jul 2020
High21 Jul 2020
NetWalker ransomware encrypted city systems
Government · Records not stated
NetWalker ransomware encrypted city systems
21 Jul 2020
Critical21 Jul 2020
21 Jul 2020
High20 Jul 2020
City of Galt CA
Government · Records not stated
NetWalker ransomware encrypted city government files
20 Jul 2020
Medium20 Jul 2020
20 Jul 2020
Critical19 Jul 2020
Wattpad
Retail · 268,765,495 records
268,765,495 records exposed, Bios, Dates of birth, Email addresses, Genders and 7 more
19 Jul 2020
High19 Jul 2020
University of Utah
Education · Records not stated
Ransomware encrypted servers, university paid $457K ransom
19 Jul 2020
High18 Jul 2020
Telecom Argentina
Technology · Records not stated
REvil demanded $7.5M ransom, 18,000 employee workstations encrypted
18 Jul 2020
Critical17 Jul 2020
17 Jul 2020
Critical16 Jul 2020
Blackbaud (impacted Canadian orgs)
Technology · Records not stated
Affected YMCA, universities, hospitals, and charities across Canada
16 Jul 2020
Medium15 Jul 2020
Haldiram's (India)
Retail · Records not stated
REvil ransomware demanded $7.5L, customer and business data stolen
15 Jul 2020
Medium13 Jul 2020
13 Jul 2020
Medium13 Jul 2020
13 Jul 2020
Medium13 Jul 2020
13 Jul 2020
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