Weekly briefing No. 42 published 30 Oct 2026
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.

5,406
Disclosures in the tracker, all years
2,120
Of those, indexed in 2026
45
Added in November
46
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.

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
UCLA Health
Healthcare · 4,500,000 records
4.5M patient records including SSNs exposed
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
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Medium13 Jul 2020
18K student records exposed
Education · Records not stated
18K student records exposed
13 Jul 2020
Were you affected?